3969 search results - page 367 / 794 » Query Processing Using Ontologies |
255
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...
133
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DEXA
2007
Springer
15 years 11 months ago
2007
Springer
Due to the high frequency in location updates and the expensive cost of continuous query processing, server computation capacity and wireless communication bandwidth are the two li...
133
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VLDB
2000
ACM
15 years 8 months ago
2000
ACM
A range-max query finds the maximum value over all selected cells of an on-line analytical processing (OLAP) data cube where the selection is specified by ranges of contiguous val...
107
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DASFAA
2009
IEEE
15 years 11 months ago
2009
IEEE
This paper investigates the problem of writing data to passive RFID tag memory and proposes a reprocessing model for assuring the atomicity and durability of writing transactions i...
330
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
The long-running nature of continuous queries poses new scalability challenges for dataflow processing. CQ systems execute pipelined dataflows that may be shared across multiple q...