27756 search results - page 390 / 5552 » Process Query Systems |
136
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AAAI
2000
15 years 5 months ago
2000
A serious shortcoming of many Description Logic based knowledge representation systems is the inadequacy of their query languages. In this paper we present a novel technique that ...
127
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VLDB
1998
ACM
15 years 8 months ago
1998
ACM
Small Materialized Aggregates (SMAs for short) are considered a highly flexible and versatile alternative for materialized data cubes. The basic idea is to compute many aggregate ...
338
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PODS
2009
ACM
16 years 5 months ago
2009
ACM
Skyline computation is widely used in multi-criteria decision making. As research in uncertain databases draws increasing attention, skyline queries with uncertain data have also ...
210
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SIGMOD
1990
ACM
15 years 8 months ago
1990
ACM
In this work access support relataons are introduced as a means for optlmizmg query processing m object-oriented database systems The general idea 1s to mamtam redundant separate ...
118
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DIS
2009
Springer
15 years 11 months ago
2009
Springer
The promotion analysis problem has been proposed in [16], where ranking-based promotion query processing techniques are studied to effectively and efficiently promote a given obje...