Typically, users submit very simple search queries to digital document data collections. Often these queries can result in extremely broad answers or answers in which document rel...
In this poster we present an approach to query answering over knowledge sources that makes use of different ontology management components within an application scenario of the BT...
In the current state of the rapid growth of information resources and the huge number of requests submitted by users to existing information retrieval systems; recently, Question ...
Distributed heterogeneous search systems are an emerging phenomenon in Web search, in which independent topic-specific search engines provide search services, and metasearchers d...
In this paper we present space-query trade-offs for external memory data structures that answer shortest path queries on planar directed graphs. For any S = Ω(N1+ ) and S = O(N2...