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» Information Retrieval as Statistical Translation
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SIGIR
2006
ACM
14 years 3 months ago
The role of knowledge in conceptual retrieval: a study in the domain of clinical medicine
Despite its intuitive appeal, the hypothesis that retrieval at the level of “concepts” should outperform purely term-based approaches remains unverified empirically. In addit...
Jimmy J. Lin, Dina Demner-Fushman
CLEF
2010
Springer
13 years 10 months ago
HITS and Misses: Combining BM25 with HITS for Expert Search
Abstract. This paper describes the participation of Dublin City University in the CriES (Cross-Lingual Expert Search) pilot challenge. To realize expert search, we combine traditio...
Johannes Leveling, Gareth J. F. Jones
ECIR
2007
Springer
13 years 10 months ago
On Score Distributions and Relevance
We discuss the idea of modelling the statistical distributions of scores of documents, classified as relevant or non-relevant. Various specific combinations of standard statistic...
Stephen Robertson
CIKM
2009
Springer
14 years 3 months ago
Semi-nonnegative matrix factorization with global statistical consistency for collaborative filtering
Collaborative Filtering, considered by many researchers as the most important technique for information filtering, has been extensively studied by both academic and industrial co...
Hao Ma, Haixuan Yang, Irwin King, Michael R. Lyu
SIGIR
2009
ACM
14 years 3 months ago
Extracting structured information from user queries with semi-supervised conditional random fields
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
Xiao Li, Ye-Yi Wang, Alex Acero