571 search results - page 53 / 115 » Concept-Based Feature Generation and Selection for Informati... |
180
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KDD
2002
ACM
16 years 6 months ago
2002
ACM
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...
184
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
Due to the reliance on the textual information associated with an image, image search engines on the Web lack the discriminative power to deliver visually diverse search results. ...
161
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ICMCS
2005
IEEE
15 years 11 months ago
2005
IEEE
In this paper we propose a generic framework for event detection in broadcast video of multiple different field-sports. Features indicating significant events are selected, and ro...
169
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CIKM
2004
Springer
15 years 11 months ago
2004
Springer
It is crucial in many information systems to organize short text segments, such as keywords in documents and queries from users, into a well-formed topic hierarchy. In this paper,...
274
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Keyword search enables web users to easily access XML data without the need to learn a structured query language and to study possibly complex data schemas. Existing work has addr...