1587 search results - page 124 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
213
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
197
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Transferring knowledge from one domain to another is challenging due to a number of reasons. Since both conditional and marginal distribution of the training data and test data ar...
163
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
The rapid growth of the web has been noted and tracked extensively. Recent studies have however documented the dual phenomenon: web pages have small half lives, and thus the web e...
186
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
In this paper we consider distributed K-Nearest Neighbor (KNN) search and range query processing in high dimensional data. Our approach is based on Locality Sensitive Hashing (LSH...
210
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BMCBI
2007
15 years 6 months ago
2007
Background: Protein structural data has increased exponentially, such that fast and accurate tools are necessary to access structure similarity search. To improve the search speed...