365 search results - page 52 / 73 » Answering Non-Monotonic Queries in Relational Data Exchange |
169
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
100
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ICDT
2012
ACM
12 years 12 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
ICDE
2000
IEEE
15 years 1 months ago
2000
IEEE
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects...
81
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PODS
2004
ACM
15 years 9 months ago
2004
ACM
Several studies have demonstrated the effectiveness of the wavelet decomposition as a tool for reducing large amounts of data down to compact wavelet synopses that can be used to ...
PODS
2003
ACM
15 years 9 months ago
2003
ACM
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...