Symeon Chouvardas Title: Robust Adaptive Machine Learning Algorithms for Distributed Signal Processing. Advisors: Sergios Theodoridis, Professor - Stavros Perantonis, Senior Researcher NCSR “Demokritos” - Nicholas Kalouptsidis, Professor Markos Alexandros Fragkos Title: Research in parametric optical amplification and injection locking focused on high bit rate optical communication systems applications. Advisor: Dimitrios Syvridis, Professor Tatjana Kalinka Title: Changing Representation of Curves and Surfaces: Exact and Approximate Methods. Advisor: Ioannis Z. Emiris, Professor Kostas Kolomvatsos Title: Automated Negotiations between Intelligent Entities Participating in Electronic Markets. Advisor: Efstathios Hadjiefthymiades, Associate Professor Thomas Konidaris Title: Wordspotting on Historical Document Images. Advisor: Sergios Theodoridis, Professor Apostolos Kousaridas Title: Management of Network and Energy Resources in Cognitive and Self-Organizing Wireless Networks. Advisor: Lazaros Merakos, Professor Spyridoula Lakka Title: Open Source Software: Management, Diffusion and Competition Advisor: Draculis Martakos, Associate Professor Georgios Niarchos Title: Design, Fabrication and Characterization of a vibrational-driven piezoelectric microgenerator. Advisors: Aggeliki Arapoyianni, Professor – Dimitrios Syvridis, Professor – Dr. Christos Tsamis, Researcher Kostas Ntirogiannis Title: Document Image Binarization. Advisors: Sergios Theodoridis, Professor - Basilis Gatos, Researcher Panagiotis Perakis Title: Landmark Detection for Unconstrained Face Recognition. Advisor: Theoharis Theoharis, Professor Markos Tselekounis Title: Modeling the regulatory intervention in the telecommunications market. Advisor: Dimitris Varoutas, Assistant Professor Nicholas Vaiopoulos Title: Transfer and Management of Broadband Traffic in Wireless Telecommunication Networks. Advisor: Dimitris Varoutas, Assistant Professor Alexander Vavoulas Title: Connectivity Issues for Optical Wireless Networks. Advisor: Dimitris Varoutas, Assistant Professor