Dimensionality reduction is the process by which a set of data points in a higher dimensional space are mapped to a lower dimension while maintaining certain properties of these p...
Passage retrieval and pseudo relevance feedback/query expansion have been reported as two effective means for improving document retrieval in literature. Relevance models, while im...
This paper presents various strategies for improving the extraction performance of less prominent relations with the help of the rules learned for similar relations, for which lar...
Researchers spent a large amount of their time searching through an ever increasing number of scientific articles. Although users of scientific search engines prefer the ranking o...
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...