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185
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SDM
2009
SIAM
16 years 4 months ago
2009
SIAM
Latent Semantic Indexing (LSI) has been validated to be effective on many small scale text collections. However, little evidence has shown its effectiveness on unsampled large sca...
184
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ECIR
2009
Springer
16 years 4 months ago
2009
Springer
Opinion finding is a challenging retrieval task, where it has been shown that it is especially difficult to improve over a strongly performing topic-relevance baseline. In this pa...
153
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ECIR
2009
Springer
16 years 4 months ago
2009
Springer
Abstract. In this paper, we examine a number of newly applied methods for combining pre-retrieval query performance predictors in order to obtain a better prediction of the query...
180
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HYPERTEXT
2009
ACM
16 years 4 months ago
2009
ACM
In this paper, we present a long-term study of user-centric Web traffic data collected in 2000-2002 and 2005-2006 from two large representative panels of French Internet users. Ou...
183
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ICDCS
2009
IEEE
16 years 4 months ago
2009
IEEE
Clustering and aggregation inherently increase wireless sensor network (WSN) lifetime by collecting information within a cluster at a cluster head, reducing the amount of data thr...