12336 search results - page 163 / 2468 » Active Information Retrieval |
145
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
Document retrieval systems conventionally use words as the basic unit of representation, a natural choice since words are primary carriers of semantic information. In this paper w...
198
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SIGIR
2009
ACM
16 years 29 days ago
2009
ACM
This paper studies document ranking under uncertainty. It is tackled in a general situation where the relevance predictions of individual documents have uncertainty, and are depen...
175
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SIGIR
2005
ACM
16 years 7 hour ago
2005
ACM
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
176
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IJSWIS
2006
15 years 6 months ago
2006
Abstract. Semantic Similarity relates to computing the similarity between conceptually similar but not necessarily lexically similar terms. Typically, semantic similarity is comput...
158
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NLDB
2007
Springer
16 years 17 days ago
2007
Springer
This paper investigates query translation in cross-lingual information retrieval, especially the challenges caused by ambiguity and polysemi. We base our ideas on feature vectors a...