Publications:

- Journals/Magazines -

  1. S.Hadjiefthymiades and D.Martakos, "A generic framework for the deployment of structured databases on the World Wide Web," in Computer Networks and ISDN Systems, vol.28, issues 7-11, 1996.
  2. S.Hadjiefthymiades and D.Martakos, "Improving the performance of CGI compliant database gateways", in Computer Networks and ISDN Systems, Vol.29 Issues 8-13, 1997.
  3. A.Kaloxylos, S. Hadjiefthymiades and L.Merakos, "Mobility Management and Control Protocol for Wireless ATM Networks", IEEE Network, special issue on PCS Network Management, July/August, 1998.
  4. S.Hadjiefthymiades, D.Martakos and C.Petrou, "Stateful Relational Database Gateways for the World Wide Web," in the Journal of Systems and Software (JSS), Elsevier Science, Vol.48, No.3, 1999.
  5. S. Hadjiefthymiades, and L. Merakos, "A Survey of Web Architectures for Wireless Communication Environments," Journal of Universal Computer Science, Vol.5, No.7, Springer Verlag, 1999.
  6. S. Hadjiefthymiades, and L. Merakos, "ESW4: Enhanced Scheme for WWW computing in Wireless communication environments," ACM SIGCOMM Computer Communication Review, Vol.29, No.5, 1999.
  7. S. Hadjiefthymiades, I. Varouxis, and D. Martakos, "Performance of RDBMS-WWW interfaces under heavy workload," Journal of Universal Computer Science, Vol.6, No.6, Springer Verlag, 2000.
  8. G. Priggouris, S.Hadjiefthymiades and L.Merakos, "Supporting IP QoS in the General Radio Packet Service," IEEE Network, Sept/Oct. 2000.
  9. C.Petrou, D.Martakos, S.Halamandaris, M.Hatzopoulos, and S.Hadjieftymiades, "The Aristotle Approach to Open Hypermedia," Colombian Journal of Computation, Vol.1, No.1, Dec. 2000.
  10. G. Priggouris, S. Hadjiefthymiades, and L. Merakos, "GPRS+IntServ/RSVP: An Integrated Architecture", Computer Networks, Elsevier Science, Vol.37, Issue 5, 2001.
  11. S.Hadjiefthymiades, V.Matthaiou, and L.Merakos, "Supporting the WWW in Wireless Communications through Mobile Agents", ACM/Kluwer Mobile Networks and Applications (MONET), Special Issue on Pervasive Computing, Vol.7, No 4, August 2002.
  12. S.Hadjiefthymiades, S.Papayiannis, and L.Merakos, " Using Path Prediction to Improve TCP Performance in Wireless/Mobile Communications ", IEEE Communications Magazine, Vol.40 No.8, August 2002.
  13. S.Papayiannis, S.Hadjiefthymiades, and L. Merakos, "Implications of proactive datagram caching on TCP performance in wireless/mobile communication," Computer Communications, Elsevier Science, Vol.26, Issue 2, February 2003.
  14. S.Hadjiefthymiades, and L.Merakos, "Proxies + Path Prediction: Improving Web Service Provision in Wireless-Mobile Communications", in ACM/Kluwer Mobile Networks and Applications (MONET), Special Issue on Mobile and Wireless Data Management, Volume 8, Issue 4, August 2003.
  15. T.Pilioura, A.Tsalgatidou, and S.Hadjiefthymiades, "Scenarios of using Web Services in M-Commerce", ACM SIGecom Exchanges, Vol.3, No.4, January 2003, (pp 28-36).
  16. A.Ioannidis, M.Spanoudakis, G.Priggouris, S.Hadjiefthymiades, and L. Merakos, "An XML-Based Platform for E-Government Services Deployment", Journal of Web Engineering, Rinton Press, Vol.1, No.2, 2003.
  17. G.F.Marias, N.Fragkiadakis, and S.Hadjiefthymiades, "An Enhanced Intelligent DCA Technique For Unlicensed wLANs & PAWNs", in the IEEE Transactions on Systems, Man and Cybernetics (Part C - Applications and Reviews), Special issue on Computational Intelligence in Telecommunications Networks and Internet Services: Part I, Vol.33, No.3, August 2003.
  18. M.Kyriakakos, N.Fragkiadakis, S.Hadjiefthymiades, and L.Merakos, "A realistic mobility pattern generator for the performance evaluation of mobile computing mechanisms", in the International Journal of Communication Systems, Wiley InterScience, Vol.16, Issue 10, 2003.
  19. M.Kyriakakos, S.Hadjiefthymiades, N.Fragkiadakis, and L. Merakos, "Enhanced Path Prediction for Network Resource Management in Wireless LANs", in the IEEE Wireless Communications Magazine, Special issue on "The Evolution of Wireless LANs and PANs", Vol.10 No.6, December 2003.
  20. M.Kyriakakos, N.Frangiadakis, S.Hadjiefthymiades and L.Merakos, "RMPG: A Realistic Mobility Pattern Generator for the Performance Assessment of Mobility Functions", in Simulation Modelling Practice And Theory, (SIMPAT), Vol. 12, Issue 1, Elsevier Science, April 2004.
  21. G.Marias, N.Prigouris, G.Papazafeiropoulos, S.Hadjiefthymiades, and L.Merakos, "Brokering Positioning Data From Heterogeneous Infrastructures", in Kluwer Wireless Personal Communication (Special Issue on Location Based Services and Technologies), Vol.30, Issue: 2-4, September 2004.
  22. I.Priggouris, S.Hadjiefthymiades, "A Distributable Security Management Architecture for Enterprise Systems spanning Multiple Security Domains", in the Electronic Commerce Research Journal, Springer Science, Volume 6, Numbers 3-4, October, 2006.
  23. V.Tsetsos, O.Sekkas, I.Priggouris and S.Hadjiefthymiades, "A Scheduling Framework for Enterprise Services", in the Journal of Systems and Software (JSS), Vol.79, Issue 2, Pages 259-272, Elsevier Science, Feb. 2006.
  24. T.Pilioura, S.Hadjiefthymiades, A.Tsalgatidou, and M.Spanoudakis, "Using Web Services for supporting the users of wireless devices", in Decision Support Systems (Elsevier Science), Volume 43, Issue 1 , February 2007, Pages 77-94.
  25. G.F. Marias, G. Papazafeiropoulos, N. Prigouris, S. Hadjiefthymiades, and L. Merakos, "An Innovative Gateway for Indoor Positioning," in the EURASIP Journal on Applied Signal Processing, Special Issue on Wireless Location Technologies and Applications, 2006.
  26. V.Tsetsos, G.Alyfantis, T.Hasiotis, O.Sekkas, and S.Hadjiefthymiades, "Towards Commercial Wireless Sensor Networks: Business and Technology Architecture", in the Ad Hoc & Sensor Wireless Networks Journal (AHSWN), Old City Publishing, Volume 2, Number 1, 2006.
  27. George Alyfantis, Stathes Hadjiefthymiades, and Lazaros Merakos, "A Cooperative Uplink Power Control Scheme for Elastic Data Services in Wireless CDMA Systems", in the ACM SIGCOMM Computer Communication Review, Vol.36, No.3, July, 2006.
  28. V.Tsetsos, C.Anagnostopoulos, P.Kikiras, and S.Hadjiefthymiades, "Semantically Enriched Navigation for Indoor Environments", in the International Journal on Web and Grid Services, Vol. 2, No. 4, 2006.
  29. G.Alyfantis, S.Hadjiefthymiades, and L.Merakos, "An Overlay Smart Spaces System for Load Balancing in Wireless LANs", in Mobile Networks and Applications, (MONET), Vol.11, No.2, April 2006.
  30. C.Anagnostopoulos, A.Tsounis, and S.Hadjiefthymiades, "Context Awareness in Mobile Computing Environments", in the Special Issue on "Advances in Wireless Communications: Enabling Technologies for 4G", Wireless Personal Communications (WPC) Journal, Springer Verlag, Vol. 42, No 3 (pages: 445-464), August 2007.
  31. C.Anagnostopoulos, Y.Ntarladimas, and S.Hadjiefthymiades, "Situational Computing: An Innovative Architecture with Imprecise Reasoning", in the Journal of Systems and Software (JSS), Elsevier, Vol.80, No.12, December 2007.
  32. I.Maglogiannis, and S.Hadjiefthymiades, "EmerLoc: Location-Based Services for Emergency Medical Incidents," in the International Journal of Medical Informatics, Elsevier, Vol. 76, Issue 10, (pages 747-759), 2007.
  33. I. Priggouris, D. Spanoudakis, M. Spanoudakis, and S. Hadjiefthymiades, "A generic framework for Location-Based Services provisioning," Mobile Information Systems (Special Issue: Managing Interaction, Location, and Communication in Mobile Information Systems), Volume 2, Number 2-3, 2006.
  34. C. Anagnostopoulos and S. Hadjiefthymiades, "Enhancing Situation Aware Systems through Imprecise Reasoning", in the IEEE Transactions on Mobile Computing (TMC), vol. 7, no. 9, September 2008.
  35. V.Baousis, V.Spiliopoulos, E.Zavitsanos, S.Hadjiefthymiades, and L.Merakos, "Semantic Web Services and Mobile Agents integration for efficient mobile services", in the International Journal on Semantic Web and Information Systems, Vol.4, Issue 1, 2008.
  36. V.Baousis, M.Kyriakakos, S.Hadjiefthymiades, and L.Merakos, "Performance Evaluation of a Mobile Agent-Based Platform for Ubiquitous Service Provision", in Pervasive and Mobile Computing (PMC), Vol. 4, Issue 5, October 2008.
  37. C.Anagnostopoulos, S.Hadjiefthymiades, Y.Ntarladimas and E.Zervas, "On the use of Epidemical Information Spreading in Mobile Computing Environments", in the Special Issue on Recent Advances In Heterogeneous Cognitive Wireless Networks, Mediterranean Journal of Computers and Networks, December, 2008.
  38. V. Baousis, S. Hadjiefthymiades, G. Alyfantis, and L. Merakos, "Autonomous Mobile Agent Routing for Efficient Server Resource Allocation", in the Journal of Systems and Software (JSS), Elsevier, Vol. 82, Issue 5, May 2009.
  39. C. Anagnostopoulos, and S. Hadjiefthymiades, "On the application of epidemical spreading in collaborative context-aware computing" in the ACM SIGMOBILE Mobile Computing and Communications Review (MC2R), Vol.12, Issue 4, October 2008.
  40. G.Alyfantis, S.Hadjiefthyiades, and L.Merakos, "Exploiting User Location for Load Balancing WLANs and Improving Wireless QoS, " in the ACM Transactions on Autonomous and Adaptive Systems (TAAS), Vol.4, Issue 2, 2009.
  41. C. Anagnostopoulos, and S. Hadjiefthymiades, "Advanced Inference in Situation Aware Computing", in the IEEE Transactions on Systems, Man and Cybernetics (Part A - Systems and Humans), Vol.39, Issue 5, Sep 2009.
  42. E.Zervas, A.Mpimpoudis, C.Anagnostopoulos, O.Sekkas, and S.Hadjiefthymiades, "Multisensor Data Fusion for Fire Detection", in Information Fusion, Elsevier, Vol. 12, Issue 3, July 2011.
  43. I.Maglogiannis, L.Kazatzopoulos, K.Delakouridis, and S.Hadjiefthymiades, "Enabling Location Privacy and Medical Data Encryption in Patient Telemonitoring Systems", in the IEEE Transactions on Information Technology in Biomedicine (TITB), Vol.13, Issue 6, November 2009.
  44. C.Anagnostopoulos, and S.Hadjiefthymiades, "Advanced fuzzy inference engines in situation aware computing", in Fuzzy Sets and Systems (FSS), Elsevier, Vol. 161, Issue 4, February 2010.
  45. P.Kikiras, V.Tsetsos, V.Papataxiarhis, T.Katsikas, and S.Hadjiefthymiades, "User Modeling for Pedestrian Navigation Services", in Advances in Ubiquitous User Modelling [Revised Selected Papers], T.Kuflik et al.(Eds.), Lecture Notes in Computer Science, Vol. 5830, Springer 2009.
  46. V.Tsetsos, A.Papadimitriou, C.Anagnostopoulos, and S.Hadjiefthymiades, "Integrating Interactive TV Services and the Web through Semantics", in the International Journal On Semantic Web and Information Systems (IJWSIS), IGI-Global, Vol.6, Issue 1, 2010.
  47. G.Alyfantis, S.Hadjiefthymiades, and L.Merakos, "Distributed QoS-Sensitive Band Selection Strategies for Dynamic Spectrum Access in Unlicensed CDMA Networks", in Computer Networks, Elsevier, Vol.54, Issue 17, December 2010.
  48. T.Anagnostopoulos, C.Anagnostopoulos, and S.Hadjiefthymiades, "An Adaptive Location Prediction Model based on Fuzzy Control", in the Journal of Computer Communications, Elsevier, Vol.34, Issue 7, May 2011.
  49. C.Anagnostopoulos, S.Hadjiefthymiades, and E.Zervas, "An analytical model for multi-epidemic information dissemination", in the Journal of Parallel and Distributed Computing (JPDC), Elsevier, Vol.71, Issue 1, January 2011.
  50. T.Anagnostopoulos, C.Anagnostopoulos, and S.Hadjiefthymiades, "An Adaptive Machine Learning Algorithm for Location Prediction," in the International Journal of Wireless Information Networks, Springer, Vol.18, No.2, 2011.
  51. C. Anagnostopoulos, O. Sekkas, and S. Hadjiefthymiades, "An Adaptive Epidemic Information Dissemination Model for Wireless Sensor Networks", in Pervasive and Mobile Computing (PMC), Elsevier, Vol. 8, Issue 5, October 2012.
  52. K. Kolomvatsos, C. Anagnostopoulos, and S. Hadjiefthymiades, "A Fuzzy Logic System for Bargaining in Information Markets", in the ACM Transactions on Intelligent Systems and Technology, Vol. 3 Issue 2, February 2012.
  53. C.Anagnostopoulos, and S.Hadjiefthymiades, "Delay-tolerant delivery of quality information in ad hoc networks", in the Journal of Parallel and Distributed Computing (JPDC), Elsevier, Vol. 71, Issue 7, July 2011.
  54. K. Kolomvatsos and S. Hadjiefthymiades, "Buyer Behavior Adaptation Based on a Fuzzy Logic Controller and Prediction Techniques," in Fuzzy Sets and Systems (FSS), Elsevier, Vol. 189, Issue 1, February 2012.
  55. C.Anagnostopoulos, S.Hadjiefthymiades and E.Zervas, "Information Dissemination between Mobile Nodes for Collaborative Context Awareness", in the IEEE Transactions on Mobile Computing, Vol.10, No.12, December 2011.
  56. C. Anagnostopoulos, S. Hadjiefthymiades, and P. Georgas, "PC3: Principal Component-based Context Compression - Improving Energy Efficiency in Wireless Sensor Networks", in the Journal of Parallel and Distributed Computing (JPDC), Elsevier, Vol. 72, Issue 2, February 2012.
  57. T. Anagnostopoulos, C. Anagnostopoulos, and S. Hadjiefthymiades, "Efficient Location Prediction in Mobile Cellular Networks", in the International Journal of Wireless Information Networks, Springer, Vol. 19, No 2, 2012.
  58. K. Kolomvatsos, G.Valkanas, and S.Hadjiefthymiades, "Debugging applications created by a Domain Specific Language: The IPAC case," in the Journal of Systems and Software (JSS), Elsevier, Vol. 85, Issue 4, April 2012.
  59. C. Anagnostopoulos, and S. Hadjiefthymiades, "Optimal, Quality-Aware Scheduling of Data Consumption in Mobile Ad Hoc Networks", in the Journal of Parallel and Distributed Computing (JPDC), Elsevier, Vol. 72, Issue 10, October 2012.
  60. C. Anagnostopoulos, S. Hadjiefthymiades, A. Katsikis, and I. Maglogiannis, "Auto-regressive Energy efficient Context Forwarding in Wireless Sensor Networks for Pervasive Healthcare Systems", in the Pervasive and Ubiquitous Computing (PUC) Journal, Special Issue on "Assistive Environments for the Disabled and the Senior Citizens", Springer, Oct 2012.
  61. K. Kolomvatsos and S. Hadjieftymiades, "An Extended Q-Gram Algorithm for Calculating the Relevance Factor of Products in Electronic Markets", in Electronic Commerce Research and Applications (ECRA), Elsevier, Vol.12, Issue 6, Nov-Dec 2013.
  62. C. Anagnostopoulos, and S. Hadjiefthymiades, "Multivariate Context Collection in Mobile Sensor Networks", in Computer Networks, Elsevier, Vol. 57, Issue 6, April 2013.
  63. K. Kolomvatsos, C. Anagnostopoulos and S. Hadjiefthymiades, "Determining the Optimal Stopping Time for Automated Negotiations", in IEEE Transactions on Systems, Man, and Cybernetics: Systems, Vol. 44, Issue 7, July 2014.
  64. T. Kontos, C. Anagnostopoulos and S. Hadjiefthymiades, "Wireless Channel State-Aware and Adaptive Epidemic Dissemination in Ad Hoc Networks", to be published in Springer's International Journal of Wireless Information Networks, 2013.
  65. B. Lika, K. Kolomvatsos, and S.Hadjiefthymiades, "Facing the cold start problem in recommender systems," to be published in Expert Systems with Applications (ESWA), Elsevier, 2013.
  66. K. Kolomvatsos, and S. Hadjiefthymiades, "On the Use of Particle Swarm Optimization and Kernel Density Estimator in Concurrent Negotiations", to be published in Information Sciences (INS), Elsevier, 2014.
  67. C. Anagnostopoulos, and S. Hadjiefthymiades, "Intelligent Trajectory Classification for Improved Movement Prediction", to be published in the IEEE Transactions on Systems, Man, and Cybernetics: Systems, 2014.
  68. C. Anagnostopoulos, and S. Hadjiefthymiades, "Advanced Principal Component-based Compression Schemes for Wireless Sensor Networks", in the ACM Transactions on Sensor Networks (TOSN), Vol. 11, Issue 1, November 2014.
  69. K. Panagidi, K. Kolomvatsos, and S. Hadjiefthymiades, "An Intelligent Scheme for Concurrent Multi-Issue Negotiations", to be published in the International Journal of Artificial Intelligence (IJAI), 2014.
  70. K.Kolomvatsos, C.Anagnostopoulos and S.Hadjiefthymiades, "Sellers in E-Marketplaces: A Fuzzy Logic based Decision Support System," to be published in Information Sciences (INS), Elsevier, 2014.
  71. K. Kolomvatsos, C. Anagnostopoulos and S. Hadjiefthymiades, "An Efficient Recommendation System based on the Optimal Stopping Theory", to be published in Expert Systems with Applications (ESWA), Elsevier, 2014.
  72. K. Kolomvatsos, K. Panagidi, and S. Hadjiefthymiades, "A Load Balancing Module for Post-Emergency Management", to be published in Elsevier Expert Systems and Applications, 2014.
  73. K.Kolomvatsos, D.Trivizakis, and S.Hadjefthymiades, "An Adaptive Fuzzy Logic System for Automated Negotiations", to be published in Elsevier Fuzzy Sets and Systems (FSS), 2014.
  74. T. Anagnostopoulos, C. Anagnostopoulos, S. Hadjiefthymiades, and A. Zaslavsky, "On-line Location Prediction Exploiting Spatial and Velocity Context", in the International Journal of Wireless Information Networks, Springer, December, 2014.
  75. C. Anagnostopoulos, S. Hadjiefthymiades, and K. Kolomvatsos, "Time-optimised User Grouping in Location Based Services", in Computer Networks, Elsevier, Vol. 81, April 2015.
  76. K. Kolomvatsos, C. Anagnostopoulos, and S. Hadjiefthymiades, "An Efficient Time-Optimized Scheme for Progressive Analytics in Big Data", in Big Data Research, Elsevier, Vol.2, Issue 4, December 2015.
  77. T.Anagnostopoulos, K.Kolomvatsos, C.Anagnostopoulos, A.Zaslavsky, and S.Hadjiefthymiades, "Assessing Dynamic Models for High Priority Waste Collection in Smart Cities", Elsevier Journal of Systems and Software (JSS), September, 2015.
  78. K. Kolomvatsos, C. Anagnostopoulos, and S. Hadjiefthymiades, "Contextual Reasoning under Uncertainty in Sensor Data Stream Monitoring", in the International Journal of Monitoring and Surveillance Technologies Research, Vol.3, Issue 2, April, 2015.
  79. O. Sekkas, V. Tsetsos, A. Biboudis, E. Zervas, N. Silvestros, S. Hadjiefthymiades, and A. Batistakis, "MobiXeyes: Real-time Stereo Vision Technology for Racket Sports", Procedia Engineering, Elsevier, Vol 112, 2015.
  80. C. Anagnostopoulos, S. Hadjiefthymiades, and K. Kolomvatsos, "Accurate, Dynamic & Distributed Localization of Phenomena for Mobile Sensor Networks", in the ACM Transactions on Sensor Networks (TOSN), Vol. 12, Issue 2, 2016.
  81. K. Kolomvatsos, C.Anagnostopoulos, and S.Hadjiefthymiades, "Data Fusion & Type-2 Fuzzy Inference in Contextual Data Stream Monitoring", to be published in IEEE Transactions on Systems, Man and Cybernetics: Systems, 2016.
  82. K. Kolomvatsos, and S. Hadjiefthymiades, "Learning the Engagement of Query Processors for Intelligent Analytics", in Applied Intelligence, Springer, Vol.46, Issue 1, Jan 2017.
  83. K. Kolomvatsos, K. Panagidi, I. Neokosmidis, D. Varoutas, and S. Hadjiefthymiades, "Automated Concurrent Negotiations: An Artificial Bee Colony Approach", in Electronic Commerce Research and Applications (ECRA), Elsevier, Vol. 19, September-October, 2016.
  84. K. Kolomvatsos, C. Anagnostopoulos, and S. Hadjiefthymiades, "Distributed Localized Contextual Event Reasoning under Uncertainty", in the IEEE IoT Journal, Vol. 4, Issue 1, Feb 2017.
  85. Md Fasiul Alam, Serafeim Katsikas, Olga Beltramello, and Stathes Hadjiefthymiades, "Augmented and Virtual Reality Based Monitoring and Safety System: A Prototype IoT Platform", in the Journal of Network and Computer Applications (JNCA), Elsevier, Vol.89, July 2017.
  86. K. Kolomvatsos, and S. Hadjiefthymiades, "Predictive Intelligence in Analytics Aggregation of Partially Ordered Subsets", in the IEEE Transactions on Systems, Man and Cybernetics: Systems, Vol 50, Issue 4, April 2020.
  87. T. Anagnostopoulos, A. Zaslavsky, K. Kolomvatsos, A. Medvedev P. Amirian, J. Morley, and S. Hadjiefthymiades, "Challenges and Opportunities of Waste Management in IoT-enabled Smart Cities: A Survey", IEEE Transactions on Sustainable Computing, Vol.2, Issue 3, 2017.
  88. K.Panagidi, C.Anagnostopoulos and S.Hadjiefthymiades, "Optimal Grouping-of-Pictures in IoT Video Streams", in Computer Communications, Elsevier, Vol. 118, March 2018.
  89. E.Vathias, E.Katsarou and S. Hadjiefthymiades, "A Secondary Market Metaphor for content delivery networks", in Netnomics, Springer, Vol. 18, Issue 2-3, December 2017.
  90. T. Kontos, C. Anagnostopoulos, E. Zervas and S. Hadjiefthymiades, "Adaptive Epidemic Dissemination as a Finite-Horizon Optimal Stopping Problem," in Wireless Networks (WINET), Springer, Vol.25, Issue 5, July 2019.
  91. K. Panagidi, C. Anagnostopoulos, A. Chalvatzaras and S. Hajiefthymiades, "To transmit or not to transmit: controlling communications in the mobile IoT domain", in the ACM Transactions on Internet Technology (TOIT), Vol.20, Issue: 3, August 2020.
  92. M.Koutsioumpos, E.Zervas, E. Hadjiefthymiades, and L. Merakos, "Monitoring for Rare Events in a Wireless Powered Communication mmWave Sensor Network", Sensors 20(12): 3341, 2020.
  93. K. Kolomvatsos, M. Kalouda, P. Papadopoulou, and S. Hadjiefthymiades, "Fuzzy Trust Modelling for Pervasive Computing Applications", Journal of Data Intelligence, Vol. 2, No.2, 2021.
  94. E.Vathias, and S.Hadjiefthymiades, "A Stock Options Metaphor for Content Delivery Networks", Netnomics 22, 195-230 (2021), Springer.
  95. M. Chatzidakis, S. Hadjiefthymiades, "A trust change detection mechanism in mobile ad-hoc networks", in Elsevier Computer Communication, vol. 187, 2022.
  96. M. Koutsioumpos, E. Zervas, E. Hadjiefthymiades, and L. Merakos, "A Comprehensive Study of Event Detection in WPCN Networks with Noisy Measurements", Sensors 22(6): 2163, 2022.
  97. E.Vathias, M.F.Doukas, P.Giannopoulos, and S.Hadjiefthymiades, "Proactivity in content delivery networks resource management: The stock options case", ITU Journal on Future and Evolving Technologies, Volume 3 (2022), Issue 3.
  98. A. Papakotoulas, T. Mylonas, K. Panagidi, and S. Hadjiefthymiades, "Optimizing IoT security via TPM integration: An energy efficiency case study for node authentication," ITU Journal on Future and Evolving Technologies, Volume 5 (2024), Issue 1.

- Conferences/Workshops -

  1. S.Hadjiefthymiades and D.Martakos, " A generic framework for the deployment of structured databases on the World Wide Web," Proceedings of the 5th International WWW Conference, Paris, France, 1996.
  2. H.Hansen, S.Hadjiefthymiades, J.Immonen and A.Kaloxylos, " Description of the handover algorithm for the Wireless ATM Network Demonstrator (WAND)," Proceedings of the ACTS Mobile Summit, Granada, Spain, 1996.
  3. A.Kaloxylos and S.Hadjiefthymiades, "Mobility Management in the Wireless ATM Network Demonstrator", Proceedings of the International Workshop on Mobile Communications (IWMC), Thessaloniki, Greece, 1996.
  4. S.Hadjiefthymiades and D.Martakos, " Improving the performance of CGI compliant database gateways", Proceedings of the 6th International WWW Conference, Santa Clara, CA, USA, 1997.
  5. C.Petrou, D.Martakos and S.Hadjiefthymiades, " Adding semantics to hypermedia towards Link's enhancement and Dynamic Linking", Proceedings of the Hypertext - Information Retrieval - Multimedia 1997 (HIM'97) conference, Dortmund, Germany 1997.
  6. S.Hadjiefthymiades and D.Martakos, "Extending classical Query By Example implementations", proceedings of the 6th Hellenic Conference on Informatics, Athens, Greece, 1997.
  7. S.Hadjiefthymiades, E.Spanos and E.Tambouris, " The Design and Implementation of a Web-based Information Kiosk", Proceedings of the EURO-MED NET 98 Conference, Nycosia, Cyprus, 1998.
  8. A.Kaloxylos, S.Hadjiefthymiades and L.Merakos, "Signalling Channel Handling in Wireless ATM Networks", Proceedings of the Third IEEE Symposium on Computers and Communications (ISCC '98), Athens, Greece, 1998.
  9. S.Hadjiefthymiades, D.Martakos and C.Petrou, "State management in WWW database applications", Proceedings of the 22nd Annual International Computer Software and Applications Conference (IEEE COMPSAC '98), Vienna, Austria, 1998.
  10. S.Hadjiefthymiades, S.Paskalis, G.Fankhauser and L.Merakos, " Mobility Management in an IP-based Wireless ATM Network", Proceedings of the 3rd ACTS Mobile Communication Summit '98, Rhodes, Greece, 1998.
  11. S.Hadjiefthymiades, A.Kaloxylos and L.Merakos, "Mobility management in the wireless ATM network demonstrator", proceedings of the IEEE 1998 International Conference on Universal Personal Communications (ICUPC '98), Florence, Italy, 1998.
  12. E.Tambouris, S.Hadjiefthymiades, E.Spanos, C.Michalakopoulos and C.Makropoulos, "On the Electronic Collaboration of SMEs: A Case Study", Proceedings of IEEE DEXA '98 (9th Inter. Workshop on DataBases and Expert Systems Applications), Workshop on BPR in support of E-Commerce, Vienna, Austria, 1998.
  13. A.Kaloxylos, G.Alexiou, S.Hadjiefthymiades and L.Merakos, "Design and Performance Evaluation of a Mobility Management Protocol for Wireless ATM Network", Proceedings of the 9th IEEE International Symposium of Personal, Indoor and Mobile Radio Communications (PIMRC '98), Boston, MA, USA, 1998.
  14. S.Hadjiefthymiades and L.Merakos, "Improving The Performance Of The World Wide Web In Cellular CPN Environments", proceedings of the 5th International Workshop on Mobile Multimedia Communications (MoMuC '98), Berlin, Germany, 1998.
  15. C. Petrou, D. Martakos and S. Hadjiefthymiades, "Hypermedia Linking And Querying: A Fuzzy-Based Approach", proceedings of the 1998 IEEE International Conference on Systems, Man and Cybernetics (SMC) conference, San Diego, CA, USA, 1998.
  16. S.Hadjiefthymiades, A.Kaloxylos, G.Papageorgiou and L.Merakos, " Design and Implementation of a Mobility Management and Control Protocol for Wireless ATM Networks," proceedings of the Panhellenic Conference on New Information Technology (NIT'98), Athens, Greece, 1998.
  17. S.Hadjiefthymiades and L.Merakos, " Optimising the Operation of the World Wide Web in Cellular CPN Environments," Proceedings of the Panhellenic Conference on New Information Technology (NIT'98), Athens, Greece, 1998.
  18. S.Hadjiefthymiades, S. Papayiannis, D. Martakos and C. Petrou, " Integrating Databases on the WWW", proceedings of the Panhellenic Conference on New Information Technology (NIT'98), Athens, Greece, 1998.
  19. S. Hadjiefthymiades, A. Kaloxylos, G. Papageorgiou and L. Merakos, "Design, Implementation and Testing of a Mobility Management Protocol for Wireless ATM Networks," proceedings of IEEE wmATM '99, San Francisco, CA, USA, June 1999.
  20. S. Hadjiefthymiades, and L. Merakos, "An optimized scheme for WWW computing in wireless communication environments", proceedings of the ACTS Mobile Communications Summit '99, Italy, June 1999.
  21. G. Fankhauser, S. Hadjiefthymiades, N. Nikaein and L. Stacey, "Interworking RSVP and Mobile IP Version 6 in Wireless Environments," proceedings of the ACTS Mobile Communications Summit '99, Italy, June 1999.
  22. A. Kaloxylos, S. Hadjiefthymiades, and L. Merakos, "DNS Extensions to Support Location Management in IP Networks," proceedings of the ACTS Mobile Communications Summit '99, Italy, June 1999.
  23. C. Petrou, S. Hadjiefthymiades, and D. Martakos, "An XML-based, 3-tier scheme for integrating heterogeneous information sources to the WWW," proceedings of the Internet Data Management workshop (IDM '99), 10th International Conference on Database and Expert System Applications (DEXA'99), Italy, 1999.
  24. S. Hadjiefthymiades, S. Papayiannis, D. Martakos, and Ch. Metaxaki-Kossionides, "Linking the WWW and Relational Databases through Server APIs: a Distributed Approach," proceedings of AACE WebNet '99, Hawaii, USA, 1999.
  25. S. Hadjiefthymiades, and L. Merakos, "A resource management scheme for efficient WWW computing in wireless communications," proceedings of IEEE VTC '99 Fall, Amsterdam, The Netherlands, 1999.
  26. C. Petrou, S. Hadjiefthymiades, and D. Martakos, "Integrating Legacy Systems to the WWW: An XML-Based Multi-Agent Approach," proceedings of 7th Hellenic Conference on Informatics, Ioannina, Greece, 1999.
  27. G. Priggouris, S. Hadjiefthymiades, and L. Merakos, "Enhancing the General Packet Radio Service with IP QoS support," proceedings of the International Workshop on QoS in Multiservice IP Networks, Rome, Italy, January 2001 (published in Lecture Notes in Computer Science, LNCS, Springer, Vol.1989, 2001).
  28. G. Marias, S. Hadjiefthymiades, and L. Merakos, "Intelligent Dynamic Channel Allocation in Unlicensed Wireless Customer Premises Networks," proceedings of the 4th European Personal Mobile Communications Conference, (EPMCC 2001), Vienna, Austria, February, 2001.
  29. S.Hadjiefthymiades, and L. Merakos, " Using Proxy Cache Relocation to Accelerate Web Browsing in Wireless/Mobile Communications," proceedings of the Tenth International WWW Conference (WWW10), Hong Kong, May, 2001
  30. S. Hadjiefthymiades, V. Matthaiou, and L. Merakos, "Supporting the WWW in Wireless Communications through Mobile Agents," proceedings of the International Symposium on 3rd Generation Infrastructures and Services, Athens, Greece, July 2001.
  31. A.Ioannidis, C.Eliopoulou, G.Priggouris, S.Hadjiefthymiades, and L.Merakos, "EURO-CITI: Network Design for a European Cities platform for on-line transaction services", proceedings of the 8th Panhellenic Conference on Informatics, Nicosia, Cyprus, November 2001.
  32. M.Spanoudakis, S.Hadjiefthymiades, and L.Merakos, "A WWW System for Wireless Networks: Design, Implementation and Performance Assessment", proceedings of the 8th Panhellenic Conference on Informatics, Nicosia, Cyprus, November 2001.
  33. I.Aggelis, S.Hadjiefthymiades and D.Martakos, "A Java-based, 3-tier Framework for Stateful Database Applications on the WWW", proceedings of the 8th Panhellenic Conference on Informatics, Nicosia, Cyprus, November 2001.
  34. S. Hadjiefthymiades, S. Papayiannis, and L. Merakos, " TCP Performance Enhancement in Wireless/Mobile Communications", Proceedings of the Workshop on Wireless Local Networks (WLN '01), IEEE Local Computer Networks conference, Tampa, Florida, Nov. 2001.
  35. I.Aggelis, S.Hadjiefthymiades, and Dr. Martakos, "3-tier Architecture for Stateful Web Applications", Proceedings of the Third International Conference on Information Integration and Web-based Applications and Services, Linz, Austria, Sept. 2001.
  36. M. Spanoudakis, S. Hadjiefthymiades and L. Merakos, "A WWW System for Wireless Networks: Design, Implementation and Performance Assessment", proceedings of IEEE SoftCOM 2001, October 2001, Split Croatia, Ancona/Bari Italy.
  37. G.Priggouris, M.Spanoudakis, A.Ioannidis, C.Eliopoulou, S.Hadjiefthymiades and L. Merakos, "EURO-CITI Security Manager: A kernel for on-line transaction services in the E-government domain", proceedings of IEEE SoftCOM 2001, October 2001, Split Croatia, Ancona/Bari Italy.
  38. Michael Barry, Dimitra Vali, Stathes Hadjiefthymiades, and Dorgham Sisalem, "An Analysis of the UMTS Service Control Plane", Proceedings of the EURESCOM Summit on 3rd Generation Technologies and Applications, Heidelberg, Germany, November 2001.
  39. Stamatis Papayiannis, Stathes Hadjiefthymiades, and Lazaros Merakos, "Handover Support for TCP Connections Through Path Prediction", proceedings of IEEE ICC, New York, NY, USA, April 2002.
  40. A.Ioannidis, G.Priggouris, M.Spanoudakis, C.Eliopoulou, S.Hadjiefthymiades, and L.Merakos, "EURO-CITI Secutity Manager: Supporting transaction services in the e-Government domain", proceedings of the eGovenment Conference, DEXA2002, Aix-en-Provence, September, 2002.
  41. N. Frangiadakis, M.Kyriakakos, S.Hadjiefthymiades and L. Merakos, "Realistic Mobility Pattern Generator: Design and Application in Path Prediction Algorithm Evaluation", proceedings of IEEE PIMRC 2002, Lisbon, Portugal, September 2002.
  42. N.Priggouris, S.Paskalis, D.Vali, S.Hadjiefthymiades, and L.Merakos, "SIP-based Location Aware Services", proceedings of IEEE SoftCOM 2002, Split-Dubrovnik-Ancona-Venice, October 2002.
  43. G. Marias, N. Fragiadakis, S. Hadjiefthymiades, and L. Merakos, "Evaluation Of An Enhanced Intelligent DCA Technique For Unlicensed wLANs and PAWNs", proceedings of IEEE WCNC 2003, New Orleans, Louisiana, USA, March 2003.
  44. A.Ioannidis, I.Priggouris, I.Marias, S.Hadjiefthymiades, C.Faist-Kassapoglou, J.Hernandez, and L.Merakos, "PoLoS: Integrated Platform for Location-Based Services", proceedings of the IST Mobile & Wireless Communications Summit, Portugal, June 2003.
  45. G.Papazafeiropoulos, N.Prigouris, I.Marias, S.Hadjiefthymiades, and L.Merakos, "Retrieving Position From Indoor WLANs Through GWLC", proceedings of the IST Mobile & Wireless Communications Summit, Portugal, June 2003.
  46. N.Prigouris, G.Papazafeiropoulos, I.Marias, S.Hadjiefthymiades, and L.Merakos, "Building a Generic Broker for Location Retrieval", proceedings of the IST Mobile & Wireless Communications Summit, Portugal, June 2003.
  47. Aphrodite Tsalgatidou, Jari Veijalainen, Jouni Markkula, Artem Katasonov, and Stathes Hadjiefthymiades, "Mobile E-Commerce and Location-Based Services: Technology and requirements", proceedings of the 9th Scandinavian Research Conference on Geographical Information Science, (ScanGIS'2003), Finland, June 2003.
  48. M.Kyriakakos, S.Hadjiefthymiades, N.Fragkiadakis, and L.Merakos, "Multi-user driven Path Prediction Algorithm for Mobile Computing" Proceedings of the Network-Based Information Systems (NBiS-2003) conference, IEEE DEXA 2003, Prague, September, 2003.
  49. Jari Veijalainen, Peter Yamakawa, Jouni Markkula, Afrodite Tsalgatidou, Stathes Hadjiefthymiades, Mitsuji Matsumoto, "On Requirements For Mobile Commerce", proceedings of the Second International Conference on Mobile Business, m-Business2003, Vienna, Austria, June 2003.
  50. M.Spanoudakis, A.Batistakis, I.Priggouris, A.Ioannidis, S.Hadjiefthymiades, and L.Merakos, "Extensible platform for location based services provisioning", in the proceedings of the 3rd International Workshop on Web and Wireless Geographical Information Systems (W2GIS 2003), Rome, Italy, December 2003.
  51. A.Ioannidis, M.Spanoudakis, P.Sianas, I.Priggouris, S.Hadjiefthymiades and L. Merakos, "Using XML and related standards to support Location Based Services", in the proceedings of SAC'2004, 19th ACM Symposium on Applied Computing, Web Technologies and Applications Special Track, Nicosia, Cyprus, March 2004.
  52. N.Priggouris, G.Papazafeiropoulos, G.Marias, S.Hadjiefthymiades and L.Merakos, "A Network Independent Broker for Obtaining the Position of Nomadic Users", in the proceedings of SAC'2004, 19th ACM Symposium on Applied Computing, March 2004.
  53. G.Alyfantis, S.Hadjiefthymiades, and L.Merakos, "MITOS: A Smart Spaces System for Pervasive Computing", in the proceedings of the Pervasive Information Management workshop, EDBT 2004, Crete, Greece, March 2004.
  54. V.Tsetsos, O.Sekkas, G.Priggouris, S.Hadjiefthymiades, "A Component-based Scheduling Architecture for the Enterprise Domain", proceedings of the 7th IEEE International Symposium on Object-oriented Real-time distributed Computing (ISORC), Vienna, Austria, 2004.
  55. V.Tsetsos, O.Sekkas, G.Priggouris, S.Hadjiefthymiades, "A JAVA-Based Scheduling Service for the Enterprise Domain" proceedings of the IADIS Applied Computing International Conference, Lisbon, Portugal 2004.
  56. S.Hadjiefthymiades, Y.Georgiadis, L.Merakos, "A Game Theoretic Approach to Web Caching" proceedings of the Networking 2004 Conference, Athens, Greece 2004.
  57. G.Priggouris, S.Hadjiefthymiades, L.Merakos, "An XML framework for multi-level access control in the enterprise domain" proceedings of the 6th International Conference on Enterprise Information Systems, Porto, Portugal, April 2004.
  58. V.Baousis, M.Kyriakakos, S.Hadjiefthymiades, and L.Merakos, "Ubiquitous Service Provision in Next Generation Mobile Networks" proceedings of the 13th IST Mobile and Wireless Communications Summit, Lyon, France, June 2004.
  59. C.Anagnostopoulos, A.Tsounis, and S.Hadjiefthymiades, "Context Awareness in Mobile Computing: A Survey", proceedings of Mobile and Ubiquitous Information Access Workshop, Mobile HCI '04, Glasgow, UK, Sept. 2004.
  60. A.Tsounis, C.Anagnostopoulos, and S.Hadjiefthymiades, "The Role of Semantic Web and Ontologies in Pervasive Computing Environments" proceedings of Mobile and Ubiquitous Information Access Workshop, Mobile HCI '04, Glasgow, UK, Sept. 2004.
  61. V.Tsetsos, G.Alyfantis, T.Hasiotis, O.Sekkas, and S.Hadjiefthymiades, "Commercial Wireless Sensor Networks: Technical and Business Issues", in the proceedings of the 2nd Annual Conference on Wireless On demand Network Systems and Services (IEEE WONS 2005), St. Moritz, Switzerland, January 2005.
  62. T.Hasiotis, G.Alyfantis, V.Tsetsos, O.Sekkas, and S.Hadjiefthymiades, "Sensation: A Middleware Integration Platform for Pervasive Applications in Wireless Sensor Networks", in the proceedings of the 2nd European Workshop on Wireless Sensor Networks (EWSN), Istanbul, Turkey, January 2005.
  63. C.Anagnostopoulos, P.Bougiouris, and S.Hadjiefthymiades, "Prediction intelligence in context aware applications", proceedings of the 6th International Conference on Mobile Data Management (MDM'05), Cyprus, May 2005.
  64. C.Anagnostopoulos, V.Tsetsos, P.Kikiras, and S.Hadjiefthymiades, "OntoNav: A Semantic Indoor Navigation System", proceedings of the 1st Workshop on Semantics in Mobile Environments (SME), MDM'05, Cyprus, May 2005.
  65. C.Kassapoglou-Faist, A.Restrepo Zea, P.Dallemagne, A.Ioannidis, I.Priggouris, and S.Hadjiefthimiades, "Satellite Navigation in PoLoS and Integrated Platform for Location-based Services" proceedings of 2nd ESA Workshop on Satellite Navigation User Equipment Technologies (NAVITEC '2004), Noordwijk, The Netherlands, December 2004.
  66. V.Tsetsos, C.Anagnostopoulos, P.Kikiras, T.Hasiotis, and S.Hadjiefthymiades, "A Human-centered Semantic Navigation System for Indoor Environments" in the proceedings of IEEE ICPS 2005, Santorini, Greece, July 2005.
  67. T.Anagnostopoulos, C.Anagnostopoulos, and S.Hadjiefthymiades, "A History Model for Activity Coordination Towards Attack Probabilistic Reasoning", 1st International Workshop on Security, Privacy and Trust in Pervasive and Ubiquitous Computing, Santorini, Greece, July 2005.
  68. V.Baousis, M.Kyriakakos, S.Hadjiefthymiades, and L.Merakos, "Performance Evaluation of a Mobile Agent-Based VHE Architecture in 3G Networks", in the proceedings of IEEE ICPS 2005, Santorini, Greece, July 2005.
  69. T.Tsounis, C.Anagnostopoulos, and S.Hadjiefthymiades, "Context Management in Pervasive Computing Environments", in the proceedings of IEEE ICPS 2005, Santorini, Greece, July 2005.
  70. T.Anagnostopoulos, C.Anagnostopoulos, and S.Hadjiefthymiades, "Enabling Attack Behavior Prediction in Ubiquitous Environments", in the proceedings of IEEE ICPS 2005, Santorini, Greece, July 2005.
  71. Irene Kilanioti, Georgia Sotiropoulou, and Stathes Hadjiefthymiades, "A Client/Intercept Based System for Optimized Wireless Access to Web Services", in the proceedings of the 16th International Workshop on Database and Expert Systems Applications (DEXA'05), 8th International Workshop on Network-Based Information Systems (NBIS 2005), Copenhagen, Denmark, 2005.
  72. M. Athanassoulis, I. Alagiannis and S. Hadjiefthymiades, "A Multi-Criteria Message Forwarding Architecture for Wireless Sensor Networks," in the proceedings of the 10th Panhellenic Conference on Informatics, Volos, Greece, November 2005.
  73. C.Anagnostopoulos, Y.Ntarladimas, and S.Hadjiefthymiades, "Situation Awareness: Dealing with Vague Context", in the proceedings of the 2nd IEEE International Conference on Pervasive Services (ICPS'06), Lyon, France, June 2006.
  74. George Alyfantis, Stathes Hadjiefthymiades, Lazaros Merakos, and Panagiotis Kostopoulos, "A Distributed Algorithm for Sharing Web Cache Disk Capacity", in the proceedings of the Twelfth International Conference on Parallel and Distributed Systems (ICPADS '06), Minneapolis, USA, July, 2006.
  75. P.Kikiras, V.Tsetsos, and S.Hadjiefthymiades, "Ontology-based User Modeling for Pedestrian Navigation Systems", in the proceedings of ECAI 2006 Workshop on Ubiquitous User Modeling (UbiqUM), Riva del Garda, Italy, August, 2006.
  76. O. Sekkas, S. Hadjiefthymiades and E. Zervas, "Enhancing location estimation through data fusion", in the proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC '06), Helsinki, Finland, September 2006.
  77. V. Baousis, E. Zavitsanos, V. Spiliopoulos, S. Hadjiefthymiades, L. Merakos, and G. Veronis, "Wireless Web Services using Mobile Agents and Ontologies", in the proceedings of the IEEE International Conference on Pervasive Services (ICPS), Lyon, France, June, 2006
  78. C. Anagnostopoulos, Y.Ntarladimas, and S.Hadjiefthymiades, "Reasoning about Situation Similarity", in the proceedings of the 3rd IEEE Conference On Intelligent Systems (IEEE-IS'06), Westminster, London, UK, September 2006.
  79. O.Sekkas, S.Hadjiefthymiades, and E.Zervas, "Fusing sensor information for location estimation", in the Proceedings of the 10th East-European Conference on Advances in Databases and Information Systems (ADBIS 2006), Thessaloniki, Greece, September 2006.
  80. George Alyfantis, Stathes Hadjiefthymiades, and Lazaros Merakos, "Proactive Resource Management for the Mitigation of Service Discontinuation in Mobile Networks", proceedings of the Fifteenth International Conference on Computer Communications and Networks (ICCCN 2006), Washington DC, USA, October, 2006.
  81. George Alyfantis, Stathes Hadjiefthymiades, and Lazaros Merakos, "On Fair and Efficient Power Control in CDMA Wireless Data Networks", proceedings of the Fifteenth International Conference on Computer Communications and Networks (ICCCN 2006), Washington DC, USA, October, 2006.
  82. V.Tsetsos, C.Anagnostopoulos, and S.Hadjiefthymiades, "On the evaluation of Semantic Web Service matchmaking systems", Proceedings of the 4th IEEE European Conference on Web Services (ECOWS), Zurich, Switzerland, December, 2006
  83. M.Athanassoulis, I.Alagiannis, and S.Hadjiefthymiades, "Energy Efficiency in Wireless Sensor Networks: A Utility-Based Architecture", in the proceedings of the 13th European Wireless Conference, Paris, France, April 2007.
  84. S. Pavlakis, V. Tsetsos, and S. Hadjiefthymiades, "Enterprise Job Scheduling for Clustered Environments", in the proceedings of the 10th IEEE International Symposium on Object and Component-Oriented Real-Time Computing (ISORC), Santorini, Greece, May, 2007.
  85. S.Nathanail, V.Tsetsos, and S.Hadjiefthymiades, "Sensor-driven adaptation of web document presentation", in the proceedings of HCI International (HCII), Beijing, P.R. China, July, 2007.
  86. T.Anagnostopoulos, C.Anagnostopoulos, S.Hadjiefthymiades, A.Kalousis, and M.Kyriakakos, "Path Prediction through Data Mining," in the proceedings of the IEEE ICPS (International Conference on Pervasive Services), Istanbul, Turkey, July 2007.
  87. A.Papadimitriou, C.Anagnostopoulos, V.Tsetsos, S.Paskalis, and S.Hadjiefthymiades, "A Semantics-aware Platform for Interactive TV Services", in the proceedings of the 1st International Conference on New Media Technology 2007 (I-MEDIA`07), Graz, Austria, September, 2007.
  88. C.Anagnostopoulos, E.Zervas and S.Hadjiefthymiades, "An Epidemiological Model for Semantics Dissemination", in the proceedings of the 3rd ACM International Mobile Multimedia Communications (MobiMedia2007), Nafpaktos, Greece, August 2007.
  89. O.Sekkas, C.Anagnostopoulos, and S.Hadjiefthymiades, "Context Fusion through Imprecise Reasoning", in the proceedings of the IEEE International Conference on Pervasive Services, ICPS '07, Istanbul, Turkey, July 2007.
  90. C.Anagnostopoulos, P.Pasias, S.Hadjiefthymiades, "A Framework for Imprecise Context Reasoning ", in the proceedings of the IEEE International Conference on Pervasive Services, ICPS '07, Istanbul, Turkey, July, 2007.
  91. G.Alyfantis, G.Marias, S.Hadjiefthymiades, and L.Merakos, "Non-cooperative Dynamic Spectrum Access for CDMA networks", in the proceedings of IEEE Globecom, Washington DC, USA, November 2007.
  92. E. Zervas, O. Sekkas, S. Hadjiefthymiades and C.Anagnostopoulos, "Fire Detection in the Urban Rural Interface through Fusion techniques", in the proceedings of the Workshop on Mobile Ad hoc and Sensor Systems for Global and Homeland Security (MASS-GHS 2007), Pisa, Italy, October, 2007.
  93. C. Anagnostopoulos, O. Sekkas, and S. Hadjiefthymiades, "Context Fusion: Dealing with Sensor Reliability", in the proceedings of the International Workshop on Information Fusion and Dissemination in Wireless Sensor Networks (SensorFusion07 - MASS 2007), Piza, Italy, October, 2007.
  94. K. Kolomvatsos and S. Hadjiefthymiades, "Implicit Deadline Calculation for Seller Agent Bargaining in Information Marketplaces", in the proceedings of the 2nd International Conference on Complex, Intelligent and Software Intensive Systems (CISIS 2008), Barcelona, Spain, March, 2008
  95. G. Valkanas, V. Tsetsos, and S. Hadjiefthymiades, "The POLYSEMA MPEG-7 Video Annotator", in the proceedings of the 2nd International Conference on Semantic and Digital Media Technologies (SAMT), Genova, Italy, December, 2007
  96. P. Katsiouli, V. Tsetsos and S. Hadjiefthymiades, "Semantic video classification based on subtitles and domain terminologies", in the proceedings of the SAMT Workshop on Knowledge Acquisition from Multimedia Content (KAMC), Genova, Italy, December, 2007
  97. K. Kolomvatsos, C. Anagnostopoulos and S. Hadjiefthymiades, "On the Use of Fuzzy logic in a Seller Bargaining Game", in the proceedings of the 32nd Annual IEEE International Computer Software and Applications Conference (IEEE COMPSAC 2008), Turku, Finland, July, 2008.
  98. V.Papataxiarhis, V.Riga, V. Nomikos, O.Sekkas, K.Kolomvatsos, V.Tsetsos, P. Papageorgas, S.Vourakis, S.Hadjiefthymiades, and G. Kouroupetroglou, "MNISIKLIS: Indoor LBS for All", in the proceedings of the 5th International Symposium on LBS & TeleCartography (LBS 2008), Salzburg, Austria, November, 2008.
  99. K. Kolomvatsos and S. Hadjiefthymiades, "Automatic Fuzzy Rules Generation for the Deadline Calculation of a Seller Agent", in the proceedings of the 9th International Symposium on Autonomous Decentralized Systems (ISADS 2009), Athens, Greece, March 2009.
  100. M.Spanoudakis and S.Hadjiefthymiades, "Adaptive Partial CDN Replication", in the proceedings of the ISCC '09, 14th IEEE Symposium on Computers and Communications, Sousse, Tunisia, July 2009.
  101. M.Poulakis, V.Vassaki, and S.Hadjiefthymiades, "Proactive Radio Resource Management Using Optimal Stopping Theory", in the proceedings of the WoWMoM 2009, 10th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, Kos Island, Greece, June 2009.
  102. V. Tsetsos, and S. Hadjiefthymiades, "An Innovative Architecture for Context Foraging", in the proceedings of the 8th International ACM Workshop on Data Engineering for Wireless and Mobile Access (MobIDE), Providence, Rhode Island, USA, June, 2009.
  103. T. Anagnostopoulos, C. Anagnostopoulos, S. Hadjiefthymiades, M. Kyriakakos, and A. Kalousis, "Predicting the location of mobile users: a machine learning approach", in the proceedings of the ACM International Conference on Pervasive Services (ICPS09), London, UK, July 2009.
  104. T. Anagnostopoulos, C. Anagnostopoulos, and S. Hadjiefthymiades, "An Online Adaptive Model for Location Prediction", in the proceedings of the 3rd International ICST Conference on Autonomic Computing and Communication Systems (Autonomics 2009), Cyprus, Sept. 2009.
  105. O. Sekkas, D. Piguet, C. Anagnostopoulos, D. Kotsakos, G. Alyfantis, C. Kassapoglou-Faist and S. Hadjiethymiades, "Probabilistic Information Dissemination for MANETs: the IPAC Approach", in the proceedings of the 20th Tyrrhenian International Workshop on Digital Communications, Sardinia, Italy, September, 2009.
  106. C. Anagnostopoulos, T. Anagnostopoulos, and S. Hadjiefthymiades, "An Adaptive Data Forwarding Scheme for Energy Efficiency in Wireless Sensor Networks", proceedings of the IEEE Conference on Intelligent Systems (IS2010), London UK, July, 2010.
  107. M.Michalopoulos, C.Anagnostopoulos, C.Doukas, I.Maglogiannis, and S.Hadjiefthymiades, "Optimizing Pervasive Sensor Data Acquisition utilizing Missing Values Substitution", proceedings of the 3rd International Conference on PErvasive Technologies Related to Assistive Environments, PETRA 2010, Samos Greece, June 2010.
  108. V. Papataxiarhis, V. Tsetsos, and S. Hadjiefthymiades, "A Knowledge Plane for Context-Aware Applications in Autonomic Computing", proceedings of the 7th ACM International Conference on Pervasive Services (ICPS 2010), Berlin, Germany, July 2010.
  109. G. Boulougaris, K. Kolomvatsos, and S. Hadjiefthymiades, "Building the Knowledge Base of a Buyer Agent Using Reinforcement Learning Techniques", proceedings of the 2010 IEEE World Congress on Computational Intelligence (WCCI) - International Joint Conference on Neural Networks (IJCNN), Barcelona - Spain, July, 2010
  110. R. Arapoglou, K. Kolomvatsos, and S. Hadjiefthymiades, "Buyer Agent Decision Process Based on Automatic Fuzzy Rules Generation Methods", proceedings of the 2010 IEEE World Congress on Computational Intelligence (WCCI) - International Conference on Fuzzy Systems (FUZZ-IEEE), Barcelona - Spain, July, 2010
  111. C. Anagnostopoulos, and S. Hadjiefthymiades, "Context Compression: using Principal Component Analysis for Efficient Wireless Communications," proceedings of the 12th International Conference on Mobile Data Management (MDM 2011), Lulea, Norrbotten, Sweden, June, 2011.
  112. T.Kontos, S.Zaimidis, C.Anagnostopoulos, S.Hadjiefthymiades and E.Zervas, "An Adaptive Epidemic Information Dissemination Scheme with Cross-Layer Enhancements," in the proceedings of the 16th IEEE Symposium on Computers and Communications (ISCC), Corfu, Greece 2011.
  113. T.Kontos, G.Alyfantis, Y.Aggelopoulos, and S.Hadjiefthymiades, "A topology inference algorithm for wireless sensor networks", in the proceedings of the 17th IEEE Symposium on Computers and Communications (ISCC), Cappadokia, Turkey, July, 2012.
  114. M.Spanoudakis, D.Lorentzos, C.Anagnostopoulos and S. Hadjiefthymiades, "On the use of Optimal Stopping Theory for Improving Cache Consistency", in the proceedings of the 13th International Conference on Web Information System Engineering, WISE 2012, Cyprus, Nov 2012.
  115. C. Anagnostopoulos, K. Kolomvatsos and S. Hadjiefthymiades, "Efficient Location Based Services for Groups of Mobile Users", in the proceedings of the IEEE 14th International Conference on Mobile Data Management (MDM), Milan, Italy, June, 2013.
  116. K. Panagidi, K. Kolomvatsos and S. Hadjiefthymiades, "On the Use of PSO with Weights Adaptation in Concurrent Multi-Issue Negotiations", in the proceedings of the 10th International Symposium on Distributed Computing and Artificial Intelligence (DCAI `13), Salamanca, May, 2013.
  117. K. Kolomvatsos, K. Panagidi and S. Hadjiefthymiades, "Optimal Spatial Partitioning for Resource Allocation", in the proceedings of the 10th International Conference on Information Systems for Crisis Response and Management (ISCRAM 2013), Baden-Baden, Germany, May, 2013.
  118. G. Bismpikis, V. Papataxiarhis, C. Anagnostopoulos, and S. Hadjiefthymiades, "SCHISM: A Scheme for Identification of Suspicious Mobile Clusters for Location-Based Services", in the proceedings of the IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2013), London, UK, September, 2013.
  119. V. Papataxiarhis, V. Tsetsos, G. Valkanas, C. Kassapoglou-Faist, D. Piguet, and S. Hadjiefthymiades, "A Reconfigurable Middleware for Context-Aware Applications in Autonomic Computing", in the proceedings of the IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2013), London, UK, September, 2013.
  120. C. Anagnostopoulos, S. Hadjiefthymiades, and E. Zervas, "Optimal Stopping of the Context Collection Process in Mobile Sensor Networks", in the proceedings of the IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), London, UK, September, 2013.
  121. G. Bismpikis, V. Papataxiarhis, N. Bogdos, E. Manolakos, and, S. Hadjiefthymiades, "SWeFS: Sensor Web Fire Shield for Forest Fire Detection and Monitoring", in the proceedings of the VII International Conference on Forest Fire Research (ICFFR 2014), Coimbra, Portugal, November, 2014.
  122. K. Kolomvatsos, C. Anagnostopoulos, and S. Hadjiefthymiades, "Intelligent Contextual Data Stream Monitoring", in the proceedings of the 8th International Conference on Pervasive Technologies Related to Assistive Environments, Corfu, Greece, July, 2015
  123. K. Kolomvatsos, C. Anagnostopoulos, and S. Hadjiefthymiades, "An Efficient Environmental Monitoring System adopting Data Fusion, Prediction and Fuzzy Logic", in the proceedings of the 6th International Conference on Information, Intelligence, Systems and Applications, Corfu, Greece, July, 2015
  124. T. Kontos, C. Anagnostopoulos, S. Hadjiefthymiades, and E. Zervas, "Epidemic Dissemination Controlled by Wireless Channel Awareness," in the proceedins of the IEEE Symposium on Computers and Communications 2015, Cyprus, July 2015.
  125. E.Vathias, D.Nikolopoulos and S.Hadjiefthymiades, "A Capital Market Metaphor for Content Delivery Network Resources," in the proceedings of the 30th IEEE International Conference on Advanced Information Networking and Applications (AINA-2016), March 2016.
  126. M. Chatzidakis, M. Loukeris, K. Gerakos, and S. Hadjiefthymiades, "E-PreS: Monitoring and Evaluation of Natural Hazard Preparedness At School Community", in the proceedings of the 3rd International Conference on Information and Communication Technologies for Disaster Management (ICT-DM), Vienna, Austria, December, 2016.
  127. Md Fasiul Alam, and Stathes Hadjiefthymiades, "Advanced, HW supported In-Network processing for the Internet of Things", in the proceedings of the International Conference on Cloud Computing (ICC), March, 2017, Cambridge, UK.
  128. K. Kolomvatsos, C. Anagnostopoulos, A. Marnerides, Q. Ni, S. Hadjiefthymiades, and D. Pezaros, "Uncertainty-driven Ensemble Forecasting of QoS in Software Defined Networks", in the proceedings of the 22nd IEEE Symposium on Computers and Communications (ISCC), Heraklion, Greece, July, 2017.
  129. P. Papadopoulou, K. Kolomvatsos, K. Panagidi, and S. Hadjiefthymiades, "Investigating the Business Potential of Internet of Things", in the proceedings of the Mediterranean Conference on Information Systems, Genoa, Italy, September, 2017.
  130. Md. Fasiul Alam, and Stathes Hadjiefthymiades, "Role Assignment in IoT through Accelerated Hardware", in the proceedings of the Fifth IEEE International Conference on Internet of Things: Systems, Management and Security (IoTSMS 2018), Valencia, Spain, October, 2018.
  131. K. Kolomvatsos, P. Papadopoulou, and S. Hadjiefthymiades, "Data Storage in Internet of Things: A Proposed Distributed model", in the proceedings of the 12th Mediterranean Conference on Information Systems, Corfu, Greece, September, 2018.
  132. V. Papataxiarhis, K. Filios, and S. Hadjiefthymiades, "Near-optimal assignment of complex tasks for Green Wireless Sensor Networks", in the proceedings of the 14th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2018), Limassol, Cyprus, October, 2018.
  133. V. Papataxiarhis, and S. Hadjiefthymiades, "Event correlation and forecasting over high-dimensional streaming sensor data", in the proceedings of the 14th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2018), Limassol, Cyprus, October, 2018.
  134. K. Panagidi, I. Galanis, C. Anagnostopoulos and S. Hadjiefthymiades, "Time-Optimized Contextual Information Flow on Unmanned Vehicles", in the proceedings of the 14th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2018), Limassol, Cyprus, October, 2018.
  135. S. Sagkriotis, K. Kolomvatsos, C. Anagnostopoulos, D. Pezaros, and S. Hadjiefthymiades, "Knowledge-Centric Analytics Queries Allocation in Edge Computing Environments", in the proceedings of the IEEE Symposium on Computers and Communications (ISCC), Barcelona, Spain, June 2019.
  136. P. Papadopoulou, K. Kolomvatsos, and S. Hadjiefthymiades, "Internet of Things Business Models: The RAWFIE Case", in the proceedings of the 18th IFIP Conference on e-Business, e-Services, and e-Society, Norway, September, 2019.
  137. K. Kolomvatsos, P. Papadopoulou, C. Anagnostopoulos, and S. Hadjiefthymiades, "A Spatio-Temporal Data Imputation Model for Supproting Analytics at the Edge", in the proceedings of the 18th IFIP Conference on e-Business, e-Services, and e-Society, Norway, September, 2019.
  138. K. Kolomvatsos, M. Kalouda, P. Papadopoulou, and S. Hadjiefthymiades, "A Fuzzy Trust Model for Autonomous Entities Acting in Pervasive Computing", proceedings of the 17th International Conference, TrustBus 2020, Bratislava, Slovakia, September, 2020.
  139. S.Kostakonti, V.Papataxiarhis, U.Delprato, D.Del Bianco, and S.Hadjiefthymiades, "A semantic approach for modeling vulnerability of communities", in the proceedings of the 18th International Conference on Information Systems for Crisis Response and Management, ISCRAM 2021, Blacksburg, VA, USA, May 2021.
  140. Luigi De Dominicis, Spyridon Kolovos, Kakia Panagidi, Ralf Hedel, Ilias Mitsoulas, Karim Boudergui, Argiro Boziari, and Stathes Hadjiefthymiades, "The INCLUDING Platform for Radiological and Nuclear Exercises and Training: The Joint Action at the Piraeus Port", proceedings of IEEE ISCC 2022, Rhodes, Greece, July 2022.
  141. K.Panagidi, L.Riazuelo, I.Alonso, A.C.Murillo, L.Montano, M.Cantero, R.Martins, K.Kolomvatsos, and S.Hadjiefthymiades, "On the Innovative Management of Remote Robotic Experimentation", proceedings of the 5th Iberian Robotics Conference (ROBOT 22), Zaragoza, Spain, November 2022.
  142. N. Deligiannakis, M. -E. Pavlopoulou, V. Papataxiarxis and S. Hadjiefthymiades, "Mixed Reality with Hardware Acceleration: implementing the multimodal user interface vision," 2022 IEEE International Conference on Artificial Intelligence and Virtual Reality (AIVR), CA, USA, 2022.
  143. A. Papakotoulas, T. Milonas, K. Panagidi and S. Hadjiefthymiades, "Enhanced Sensor Communication through Trusted Computing," proceedings of the 1st International Workshop on Trusted and Reliable Embedded Wireless Environments (TREWE 2023) joined with the International Conference on Embedded Wireless Systems and Networks (EWSN 2023), Rende, Italy, Sept 2023.
  144. A. Papakotoulas, A. Terzidis, and S. Hadjiefthymiades, "Sustaining the Trust of an IoT Infrastructure," proceedings of the 20th IEEE International Conference on Mobile Ad-Hoc and Smart Systems (MASS 2023), Toronto, Canada, Sept 2023.
  145. E. Katsarou, and S. Hadjiefthymiades, "Reducing IoT Big Data for Efficient Storage and Processing", proceedings of the 8th International Conference on Internet of Things, Big Data and Security (IoTBDS 2023), Prague, Czech Republic, April 2023.
  146. A. Papakotoulas, A. Terzidis and S. Hadjiefthymiades, "ERITA: Ensuring the Reliability of Internet of Things-Based Applications," in the proceedings of the IEEE International Symposium on Networks, Computers and Communications (ISNCC 2003), Doha, Qatar, Oct 2023.
  147. V.Korpas Kamarianos, B.Andeou, K.Kyriakos, K.Panagidi, S.Hadjiefthymiades, and V.Baousis, "Simplifying EO Application Development through a Domain Specific Language", in the proceedings of the 2024 International Geoscience and Remote Sensing Symposium (IGARSS), Athens, Greece, July 2024.

- Other Publications (Book Chapters, Internet Drafts) -

  1. G. Fankhauser, S. Hadjiefthymiades, N. Nikaein and L. Stacey, "RSVP Support for Mobile IP Version 6 in Wireless Environments," Internet draft, <draft-fhns-rsvp-support-in-mipv6-00>, November 1998.
  2. C. Petrou, S. Hadjiefthymiades, and D. Martakos, "Integrating Legacy Systems to the WWW: An XML-Based Multi-Agent Approach," in "Advances in Informatics", editors: D.I. Fotiadis, S.D. Nikolopoulos, World Scientific Publishers Co., July 2000 (ISBN: 9810241925).
  3. S. Hadjiefthymiades, and D. Martakos, "Techniques and Applications of Information Data Acquisition on the World Wide Web During Heavy Client/Server Traffic Periods", chapter in "Database and Data Communication Network Systems" (editor Cornelius Leondes), Academic Press, June 2002.
  4. M.Spanoudakis, A.Batistakis, I.Priggouris, A.Ioannidis, S.Hadjiefthymiades, and L.Merakos, "Extensible platform for Location Based Services deployment & provisioning" chapter in Wireless Information Highways, editors: D.Katsaros, A. Nanopoulos, Y.Manolopoulos, IRM Press, ISBN: 1-59140-568-8, 2004.
  5. I. Priggouris, S.Hadjiefthymiades, and G. Marias, "Location Based Services", chapter in 'Emerging Wireless Multimedia Services and Technologies', editors: N.Passas, A.Salkintzis, Wiley, July 2005 (ISBN: 0-470-02149-7).
  6. A.Tsounis, C.Anagnostopoulos, S.Hadjiefthymiades, and I.Karali, "Ontological Engineering in Pervasive Computing Environments", chapter in "Web Semantics and Ontology" (editors: E.Pardede, D.Taniar and W.Rahayu), Idea Group Publishing, 2006 (ISBN: 1-59140-905-5).
  7. I. Priggouris, E. Zervas, and S. Hadjiefthymiades, "Location Based Network Resource Management", chapter in "Handbook of Research on Mobile Multimedia" (editor: Ismail Khalil Ibrahim), Idea Group Inc., May 2006 (ISBN: 1-59140-866-0).
  8. Vassileios Tsetsos, Christos Anagnostopoulos, Stathes Hadjiefthymiades, "Semantic Enrichment of Location Based Services", article in Encyclopedia of Mobile Computing and Commerce vol. 1 (Ed. David Taniar), IDEA Group, January, 2007.
  9. P.Katsiouli , P.Papapanagiotou, V.Tsetsos, C.Anagnostopoulos, and, S.Hadjiefthymiades, "Matching Relational Schemata to Semantic Web Ontologies", to appear in Encyclopedia of Database Technologies and Applications, 2nd Edition, Idea Group Inc., August, 2007.
  10. V. Tsetsos, C. Anagnostopoulos, and S. Hadjiefthymiades, "Semantic Web Service Discovery: Methods, Algorithms and Tools", chapter to appear in "Semantic Web: Theory, Tools and Applications" (Ed. Dr. Jorge Cardoso), IDEA Group Publishing, March, 2007.
  11. I.Maglogiannis, and S.Hadjiefthymiades, "Pervasive Electronic Services in Health Care", chapter in Pervasive Information Systems (editors: Kourouthanassis, Giaglis), M.E.Sharpe, 2008 (ISBN: 978-0-7656-1689-0).
  12. C.Anagnostopoulos, and S.Hadjiefthymiades, "Imprecise Analogical and Similarity Reasoning about Contextual Information", Springer, Book Series: Studies in Computational Intelligence, Vol.109/2008, Book: Intelligent Techniques and Tools for Novel System Architectures, September 2008.
  13. I.Priggouris, D.Spanoudakis, M.Spanoudakis, and S.Hadjiefthymiades, "A Component-Based Software Architecture for Delivering Location Based Services", chapter in "E-Commerce Trends for Organizational Advancement: New Applications and Methods", editor: Mehdi Khosrow-Pour, book series: Advances in Electronic Commerce (AEC), IGI Global, November 2009 (ISBN: 978-1-60566-964-9 ).
  14. O.Sekkas, D.Manatakis, E.Manolakos, and S.Hadjiefthymiades, "Sensor and Computing Infrastructure for Environmental Risks - The SCIER system", to appear in Advanced ICTs for Disaster Management and Threat Detection: Collaborative and Distributed Frameworks, (Eds. Dr. E. Asimakopoulou and Dr. N. Bessis), IGI Global, 2009.
  15. K. Kolomvatsos and S. Hadjiefthymiades, "How Can We Trust Agents in Multi-Agent Environments? Techniques and Challenges", in "Intelligence Integration in Distributed Knowledge Management", (Eds. D. Krol, N. T. Nguyen), IGI Global, 2009 (ISBN: 9781599045764).
  16. K. Kolomvatsos and S. Hadjieftymiades, "Ontologies and Intelligent Agents: A Powerful Bond", in "The Semantic Web for Knowledge and Data Management: Technologies and Practices", IGI Global, 2009 (ISBN: 9781605660288).
  17. V.Tsetsos, V.Papataxiarhis, and S.Hadjiefthymiades, "Personalization Based on Semantic Web Technologies," in "Semantic Web Engineering in the Knowledge Society", IGI Global, 2009 (ISBN: 9781605661124).
  18. K. Kolomvatsos and S. Hadjiefthymiades, "On the Use of Fuzzy Logic in Electronic Marketplaces", in "Cross-Disciplinary Applications of Artificial Intelligence and Pattern Recognition: Advancing Technologies", IGI Global, 2012 (ISBN: 9781613504291).
  19. C.Anagnostopoulos, and S.Hadjiefthymiades, "Swarm Intelligence in Autonomic Computing: The Particle Swarm Optimization Case", in "Formal and Practical Aspects of Autonomic Computing and Networking: Specification, Development, and Verification", IGI Global, 2012 (ISBN: 9781609608453).
  20. V.Nomikos, I.Priggouris, G.Bismpikis, S.Hadjiefthymiades and O.Sekkas, "A Generic and Scalable IoT Data Fusion Infrastructure," to appear in "Internet of Things (IoT) in 5G Mobile Technologies", editors: C.X.Mavromoustakis, G.Mastorakis, J.M.Batalla, Series: Modeling and Optimization in Science and Technologies, Vol. 8, Springer International Publishing, 2016.
  21. K. Kolomvatsos, M. Tsiroukis, and S. Hadjiefthymiades, "An Experiment Description Language for Supporting Mobile IoT Applications", chapter in "Building the Future Internet through FIRE", 2016 FIRE Book, European Commission, River Publishers (ISBN: 9788793519114), June, 2017.
  22. P. Papadopoulou, K. Kolomvatsos and S. Hadjiefthymiades, "Enhancing E-Goverment with Internet of Things," chapter in "Computational Intelligence in the Internet of Things", (ISBN: 9781522579557) IGI Global, March 2019.