3456 search results - page 257 / 692 » Semantics in Spatial Databases |
174
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
We introduce a novel spatial join operator, the ring-constrained join (RCJ). Given two sets P and Q of spatial points, the result of RCJ consists of pairs p, q (where p P, q Q) ...
152
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DNIS
2007
Springer
15 years 8 months ago
2007
Springer
Geospatial data-sets are becoming commonplace in many application domains, especially in the area of decision-making. Current state-of-the-art in geospatial systems either lack the...
176
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APBC
2007
15 years 8 months ago
2007
ibe an abstract data model of protein structures by representing the geometry of proteins using spatial data types and present a framework for fast structural similarity search bas...
126
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AEOG
2011
14 years 6 months ago
2011
The generalization index system is one of the critical issues for computer-aided land use database generalization. This paper studies the scale and land use pattern effects on lan...
168
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BNCOD
2004
15 years 8 months ago
2004
When storing data in heterogeneous databases, one of the top-down design issues concerns the usage of multiple query languages. A common language enables querying of database schem...