930 search results - page 152 / 186 » Exploiting site-level information to improve web search |
189
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
159
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SIBGRAPI
2007
IEEE
16 years 11 days ago
2007
IEEE
This paper proposes a model-based methodology for recognizing and tracking objects in digital image sequences. Objects are represented by attributed relational graphs (or ARGs), w...
155
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ICIP
2003
IEEE
16 years 7 months ago
2003
IEEE
This paper proposes a model-based methodology for recognizing and tracking objects in digital image sequences. Objects are represented by attributed relational graphs (or ARGs), w...
156
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CVPR
2000
IEEE
16 years 8 months ago
2000
IEEE
Online photo sharing systems, such as Flickr and Picasa, provide a valuable source of human-annotated photos. Textual annotations are used not only to describe the visual content ...
149
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GECCO
2008
Springer
15 years 7 months ago
2008
Springer
The Differential Evolution algorithm uses an elitist selection, constantly pushing the population in a strict downhill search, in an attempt to guarantee the conservation of the ...