13559 search results - page 297 / 2712 » Information Retrieval on the Web |
205
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ACL
1992
15 years 8 months ago
1992
We developed a fully automated Information Retrieval System which uses advanced natural language processing techniques to enhance the effectiveness of traditional key-word based d...
196
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
This paper addresses the problem of Named Entity Recognition in Query (NERQ), which involves detection of the named entity in a given query and classification of the named entity...
148
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
The AncestorRank algorithm calculates an authority score by using just one characteristic of the web graph—the number of ancestors per node. For scalability, we estimate the num...
182
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...
160
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SIGIR
2004
ACM
16 years 6 days ago
2004
ACM
Empirical studies of information retrieval methods show that good retrieval performance is closely related to the use of various retrieval heuristics, such as TF-IDF weighting. On...