Interactive Digital Television: Technologies and Applications

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The developments in digital television technology provide the unprecedented opportunity to drastically extend the role of television as a content delivery channel. E-health, e-commerce, e-government, and e-learning are only a few examples of value-added services provided over digital televisions infrastructures. These changes in the television industry challenge companies to adjust their strategies in order to meet the opportunities and threats in this new environment. Interactive Digital Television: Techniques and Applications presents the developments in the domain of interactive digital television covering both technical and business aspects. This book focuses on analyzing concepts, research issues, and methodological approaches, presenting existing solutions such as systems and prototypes for researchers, academicians, scholars, professionals and practitioners.

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George Lekakos is an adjunct lecturer at the Department of Management Science and Technology, Athens University of Economics and Business, Athens, Greece and a visiting lecturer at the Department of Computer Science, University of Cyprus. He holds a BSc in mathematics (Greece), an MSc in software engineering (UK), and a PhD in intelligent media (Greece). His research interests include interactive television applications, digital content management, human-computer interaction, and machine learning with emphasis on the design of personalization algorithms. He has published more than 30 papers in international journals and conferences, and he is the editor of books and conference proceedings. He is a member of the EuroiTV steering committee and heads the Intelligent Media Lab group within the ELTRUN eBusiness Research Center. Since 1999 he has been involved in several European Commission funded research projects and he has been appointed as project reviewer by the European Commission and the General Secretariat of Research and Technology in Greece. Konstantinos Chorianopoulos holds an MEng (Electronics and Computer Engineering, 1999), an MSc (Marketing and Communication, 2001), and a PhD (Human-Computer Interaction, 2004). Since 1997, he has been a member of four academic research labs (Greece, UK, Germany), which specialize in the areas of multimedia, e-commerce, intelligent systems and interaction design. He has participated in many European Union (EU) research projects in the field of human-computer interaction (HCI) for information, communication, and entertainment applications in TV, mobile, and ubiquitous appliances. In 2002 he founded UITV.INFO, which is a newsletter and Web portal for iTV research resources (papers, theses), news, and events. He is currently a research and teaching Marie Curie fellow at the department of architecture at the Bauhaus-University of Weimar, in Germany. Georgios I. Doukidis is a professor of information systems in the Departme