2063 search results - page 151 / 413 » Containment of Aggregate Queries |
134
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EDBT
2000
ACM
15 years 8 months ago
2000
ACM
OLAP applications use precomputation of aggregate data to improve query response time. While this problem has been well-studied in the recent database literature, to our knowledge ...
104
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CODAS
1996
15 years 5 months ago
1996
ntic abstractions classification, aggregation and generalization are extremely useful for modeling complex situations containing time-independent events. This paper shows that the...
241
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
243
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
A statistical database (StatDB) retrieves only aggregate results, as opposed to individual tuples. This paper investigates the construction of a privacy preserving StatDB that can...
148
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RTCSA
2009
IEEE
15 years 11 months ago
2009
IEEE
—Mobile sensors are widely deployed in Wireless Sensor Networks (WSNs) to satisfy emerging application requirements. Specifically, processing location dependent queries in mobile...