2674 search results - page 94 / 535 » Data Models and Query Languages for Spatial Databases |
148
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
213
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SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...
108
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VLDB
2005
ACM
15 years 8 months ago
2005
ACM
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
132
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ADC
2003
Springer
15 years 7 months ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
115
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HICSS
2000
IEEE
15 years 7 months ago
2000
IEEE
Advances in geographical information systems (GIS) and supporting data collection technology has resulted in the rapid collection of a huge amount of spatial data. However, known ...