486 search results - page 96 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
GEOINFORMATICA
1998
14 years 9 months ago
1998
Due to the increasing popularity of spatial databases, researchers have focused their efforts on improving the query processing performance of the most expensive spatial database ...
177
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ICDE
2000
IEEE
15 years 11 months ago
2000
IEEE
: Many companies have recognized the strategic importance of the knowledge hidden in their large databases and have built data warehouses. Typically, updates are collected and appl...
111
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MIR
2004
ACM
15 years 2 months ago
2004
ACM
In content-based image retrieval, relevance feedback has been introduced to narrow the gap between low-level image feature and high-level semantic concept. Furthermore, to speed u...
102
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WILF
2009
Springer
15 years 2 months ago
2009
Springer
In this paper, an interactive image retrieval scheme using MPEG-7 visual descriptors is proposed. The performance of image retrieval systems is still limited due to semantic gap, w...
110
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ICDAR
2011
IEEE
13 years 9 months ago
2011
IEEE
—We propose a novel scenario called “writer retrieval” consisting in the retrieval from a set of documents all those produced by the same writer. The retrieval is based on a ...