2164 search results - page 161 / 433 » Learning to rank for information retrieval |
160
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DGO
2003
15 years 7 months ago
2003
State-of-art image retrieval techniques have been developed to support high-level (semantics) querying and browsing of images. For certain user queries, it is also very important ...
148
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SIGIR
2005
ACM
15 years 12 months ago
2005
ACM
We describe a method for improving the precision of metasearch results based upon scoring the visual features of documents' surrogate representations. These surrogate scores ...
167
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MM
2005
ACM
15 years 12 months ago
2005
ACM
Learning the user’s semantics for CBIR involves two different sources of information: the similarity relations entailed by the content-based features, and the relevance relatio...
165
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ICWSM
2008
15 years 7 months ago
2008
We explore several different document representation models and two query expansion models for the task of recommending blogs to a user in response to a query. Blog relevance rank...
191
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PDPTA
1996
15 years 7 months ago
1996
The problem of eciently retrieving and ranking documents from a huge collection according to their relevance to a research topic is addressed. A broad class of queries is de ned a...