Images are amongst the most widely proliferated form of digital information due to affordable imaging technologies and the Web. In such an environment, the use of digital watermar...
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
Due to the tremendous increase rate and the high change frequency of Web documents, maintaining an up-to-date index for searching purposes (search engines) is becoming a challenge....
Odysseas Papapetrou, Stavros Papastavrou, George S...
Region-based image retrieval systems aim to improve the effectiveness of content-based search by decomposing each image into a set of “homogeneous” regions. Thus, similarity b...
This paper describes a multimedia, multilingual and multimodal research system called CIMWOS (Combined IMage and WOrd Spotting). CIMWOS incorporates an extensive set of multimedia...
Nick Hatzigeorgiu, Nikolaos Sidiropoulos, Harris P...