8972 search results - page 302 / 1795 » Private Information Retrieval |
191
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
This work evaluates a few search strategies for Arabic monolingual and cross-lingual retrieval, using the TREC Arabic corpus as the test-bed. The release by NIST in 2001 of an Ara...
186
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SIGIR
2003
ACM
15 years 12 months ago
2003
ACM
Passage retrieval is an important component common to many question answering systems. Because most evaluations of question answering systems focus on end-to-end performance, comp...
173
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
168
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CLEF
2004
Springer
16 years 3 days ago
2004
Springer
Named entities in topics are a major factor contributing to the quality of retrieval results. In this paper, we report on an analysis on the correlation between the number of named...
171
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DKE
2000
15 years 6 months ago
2000
Content-based image retrieval plays an important role in many multimedia applications. Images are typically retrieved based on a given sample image, a sketch or a simple descripti...