1277 search results - page 19 / 256 » On Information Need and Categorizing Search |
196
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SAC
2008
ACM
15 years 5 months ago
2008
ACM
A major obstacle that decreases the performance of text classifiers is the extremely high dimensionality of text data. To reduce the dimension, a number of approaches based on rou...
166
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WWW
2001
ACM
16 years 6 months ago
2001
ACM
We propose a new Web search system that helps users clarify their information needs through interaction. The system represents the user's information needs using a query grap...
190
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PCM
2004
Springer
15 years 11 months ago
2004
Springer
Query by video clip (QVC) has attracted wide research interests in multimedia information retrieval. In general, QVC may include feature extraction, similaritymeasure,databaseorgan...
164
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ICWSM
2009
15 years 3 months ago
2009
The advent of social tagging systems has enabled a new community-based view of the Web in which objects like images, videos, and Web pages are annotated by thousands of users. Und...
167
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DEXA
2008
Springer
15 years 8 months ago
2008
Springer
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...