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ICTIR
2009
Springer
13 years 2 months ago
2009
Springer
Abstract. A useful ability for search engines is to be able to rank objects with novelty and diversity: the top k documents retrieved should cover possible interpretations of a que...
ICTIR
2009
Springer
13 years 2 months ago
2009
Springer
Abstract. A mismatch between differenteventspaceshasbeen used toargue against rank equivalence of classic probabilistic models of information retrieval and language models. We ques...
ICTIR
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. In this paper we introduce a novel approach for query performance prediction based on ranking list scores dispersion. Starting from the hypothesis that different score d...
ICTIR
2009
Springer
13 years 11 months ago
2009
Springer
Web information retrieval is best known for its use of the Web’s link structure as a source of evidence. Global link evidence is by nature query-independent, and is therefore no ...
ICTIR
2009
Springer
13 years 11 months ago
2009
Springer
Abstract Even the best information retrieval model cannot always identify the most useful answers to a user query. This is in particular the case with web search systems, where it ...