2164 search results - page 181 / 433 » Learning to rank for information retrieval |
172
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SIGIR
2005
ACM
16 years 16 hour ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...
195
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
In this work, we present an extension of CORE [2], a tool for Collaborative Ontology Reuse and Evaluation. The system receives an informal description of a specific semantic domai...
211
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DICTA
2003
15 years 7 months ago
2003
For content-based image retrieval techniques, query image is used to pick up and rank some relevant images from a database using some certain similarity metric. If semantic feature...
157
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
We demonstrate Blognoon, a semantic blog search engine with the focus on topic exploration and navigation. Blognoon provides concept search instead of traditional keywords search ...
140
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SIGIR
2009
ACM
16 years 29 days ago
2009
ACM
Crawl selection policy has a direct influence on Web search effectiveness, because a useful page that is not selected for crawling will also be absent from search results. Yet th...