8298 search results - page 1461 / 1660 » Query-Free Information Retrieval |
131
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
In order to return relevant search results, a search engine must keep its local repository synchronized to the Web, but it is usually impossible to attain perfect freshness. Hence...
151
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
A pressing task during the unification process is to identify a user's vertical search intention based on the user's query. In this paper, we propose a novel method to p...
143
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
Web search engines are facing formidable performance challenges as they need to process thousands of queries per second over billions of documents. To deal with this heavy workloa...
124
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
Combating Web spam has become one of the top challenges for Web search engines. State-of-the-art spam detection techniques are usually designed for specific known types of Web spa...
115
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
In a higher level task such as clustering of web results or word sense disambiguation, knowledge of all possible distinct concepts in which an ambiguous word can be expressed woul...