1588 search results - page 144 / 318 » Consistent query answering in databases |
159
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SIGMOD
1999
ACM
15 years 9 months ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
249
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
The modeling of high level semantic events from low level sensor signals is important in order to understand distributed phenomena. For such content-modeling purposes, transformat...
151
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ISMIS
1994
Springer
15 years 8 months ago
1994
Springer
Main stream approaches in distributed artificial intelligence (DAI) are essentially logic-based. Little has been reported to explore probabilistic approach in DAI. On the other han...
147
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SIGMOD
1997
ACM
15 years 8 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
212
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VLDB
2008
ACM
16 years 4 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...