2117 search results - page 245 / 424 » A Competitive Term Selection Method for Information Retrieva... |
118
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PR
2007
15 years 4 months ago
2007
We propose a novel, local feature-based face representation method based on twostage subset selection where the first stage finds the informative regions and the second stage ...
151
Voted
WWW
2010
ACM
15 years 11 months ago
2010
ACM
Result diversity is a topic of great importance as more facets of queries are discovered and users expect to find their desired facets in the first page of the results. However,...
167
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WSDM
2012
ACM
14 years 15 hour ago
2012
ACM
Many vertical search tasks such as local search focus on specific domains. The meaning of relevance in these verticals is domain-specific and usually consists of multiple well-d...
131
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
We study in this paper the Web forum crawling problem, which is a very fundamental step in many Web applications, such as search engine and Web data mining. As a typical user-crea...
141
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SIGIR
2004
ACM
15 years 10 months ago
2004
ACM
In recent years, statistical language models are being proposed as alternative to the vector space model. Viewing documents as language samples introduces the issue of defining a...