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National Technical University of Athens (www.ntua.gr)
Institute of Communication and Computer Systems (http://iccs.ntua.gr/)
Department of Electrical and Computer Engineering (http://www.ece.ntua.gr)
Knowledge and Database Systems Laboratory (http://www.dblab.ece.ntua.gr/)
Prof. Timos Sellis
The Institute of Communication and Computer Systems (ICCS) is associated with the Department of Electrical and Computer Engineering (DECE) of the National Technical University of Athens (NTUA). ICCS was established in 1989 by the Ministry of Education in order to carry research and development activity on all diverse aspects of telecommunications systems and techniques, computer systems, and their applications. Research activities in ICCS in the area of data modeling and querying center around two major areas: (a) supporting and formalizing context through the notion of alternative worlds, which are environments that give data an unambiguous interpretation. In this area context modeling in XML and XML querying models for the case of context-dependent data is at focus, and (b) catalog management, whereby portal catalogs are modeled and issues related to similarity search in catalogs, searching by structural similarity and querying as well as manipulation of catalogs, are of interest. It also supports multimedia retrieval, video summarization, abstraction schemes, content -based queries and sampling. Multimedia data transmission and modeling is also one of the aspects of the ICCS/NTUA. |
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