2674 search results - page 139 / 535 » Data Models and Query Languages for Spatial Databases |
148
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XSYM
2005
Springer
15 years 10 months ago
2005
Springer
Among various proposals for primitives for deconstructing XML data two approaches seem to clearly stem from practise: path expressions, widely adopted by the database community, an...
164
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CCCG
2008
15 years 6 months ago
2008
We present the first spatially adaptive data structure that answers approximate nearest neighbor (ANN) queries to points that reside in a geometric space of any constant dimension...
163
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COOPIS
2003
IEEE
15 years 10 months ago
2003
IEEE
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
123
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WAIM
2005
Springer
15 years 10 months ago
2005
Springer
In order to lay a solid foundation for the emerging semantic web, effective and efficient management of large RDF(S) data is in high demand. In this paper we propose an approach t...
177
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ICDE
2010
IEEE
15 years 12 months ago
2010
IEEE
— Finding the k nearest neighbors (kNN) of a query point, or a set of query points (kNN-Join) are fundamental problems in many application domains. Many previous efforts to solve...