1542 search results - page 121 / 309 » Redundancy in Spatial Databases |
119
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DBISP2P
2004
Springer
15 years 8 months ago
2004
Springer
In this paper we examine the dissemination of reports about resources in mobile networks with hotspots, where hotspots, vehicles and sensors communicate with each other via short-r...
119
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GEOINFORMATICA
1998
15 years 2 months ago
1998
The nature of map generalization may be non-uniform along the length of an individual line, requiring the application of methods that adapt to the local geometry and the geographi...
204
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ICDE
2004
IEEE
16 years 3 months ago
2004
IEEE
We describe and evaluate a query minimization technique that applies to XQueries, which are nested, perform arbitrary joins, and freely mix bag and set semantics. These features c...
130
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CDB
2004
Springer
15 years 8 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
87
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BTW
2001
Springer
15 years 7 months ago
2001
Springer
In this article, we present our efforts1 on realizing transformation independence in open, extensible, and highly distributed multimedia information The main focus is on the abstra...