3969 search results - page 155 / 794 » Query Processing Using Ontologies |
219
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
Current distributed database and stream processing systems assume that the network connecting nodes in the data processor is "always on," and that the absence of a netwo...
106
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RTCSA
2008
IEEE
15 years 9 months ago
2008
IEEE
This paper addresses the problem of using the Location IDentifier (LID) as the domain value of the index for trajectories of RFID tags and proposes the solution for solving this p...
129
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ADBIS
2000
Springer
15 years 6 months ago
2000
Springer
A number of algorithms of clustering spatial data for reducing the number of disk seeks required to process spatial queries have been developed. One of the algorithms is the scheme...
259
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ICDE
2009
IEEE
16 years 4 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
130
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MDM
2007
Springer
15 years 9 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...