3514 search results - page 451 / 703 » On Moving Object Queries |
176
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APWEB
2005
Springer
16 years 3 days ago
2005
Springer
Summarizing topological relations is fundamental to many spatial applications including spatial query optimization. In this paper, we examine the selectivity estimation for range w...
193
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ADBIS
2004
Springer
16 years 1 days ago
2004
Springer
The old idea of navigation in a database is revisited with two essential changes: we address Web users rather than programmers and the navigation is accomplished as a visual metaph...
235
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SIGMOD
1999
ACM
15 years 11 months ago
1999
ACM
Systems for managing and querying semistructured-data sources often store data in proprietary object repositories or in a tagged-text format. We describe a technique that can use ...
203
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VISUAL
1999
Springer
15 years 11 months ago
1999
Springer
Blobworld is a system for image retrieval based on nding coherent image regions which roughly correspond to objects. Each image is automatically segmented into regions blobs"...
171
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DEXA
1997
Springer
15 years 10 months ago
1997
Springer
Abstract. In this paper, a new approach for retrieval from semistructured photographic collections is described. We have developed a retrieval model based on the Dempster-Shafer th...