6740 search results - page 1245 / 1348 » Querying Databases with Taxonomies |
123
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
Fast query processing of complex objects, e.g. spatial or uncertain objects, depends on efficient spatial pruning of the objects’ approximations, which are typically minimum bou...
163
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UBIMOB
2009
ACM
15 years 6 months ago
2009
ACM
Wireless sensor networks are rapidly finding their way through a plethora of new applications like precision farming and forestry, with increasing network scale, system complexit...
129
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BTW
2009
Springer
15 years 6 months ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
105
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GIS
2009
ACM
15 years 6 months ago
2009
ACM
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
149
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WILF
2009
Springer
15 years 6 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...