: This is the first year our lab to participate in Trec. We participate in Mixed-Query task for the Web track. All the runs we submitted are based on the modified Okapi weighting s...
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...
This paper proposes a novel view of the information generated by relevance feedback. Latent semantic analysis is adapted to this view to extract useful inter-query information. Th...
As archives contain documents that span over a long period of time, the language used to create these documents and the language used for querying the archive can differ. This diï...