1430 search results - page 104 / 286 » Query operations for moving objects database systems |
104
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SIGMOD
2004
ACM
16 years 1 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
138
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CIKM
2000
Springer
15 years 5 months ago
2000
Springer
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...
116
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SIGMOD
2002
ACM
16 years 1 months ago
2002
ACM
This paper studies five strategies for storing XML documents including one that leaves documents in the file system, three that use a relational database system, and one that uses...
189
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ICDE
1997
IEEE
16 years 2 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
104
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SPIESR
1996
15 years 2 months ago
1996
Two approaches for integrating images into the framework of a database management system are presented. The classi cation approach preprocesses all images and attaches a semantic ...