1137 search results - page 206 / 228 » A framework to model real-time databases |
114
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WEBDB
2004
Springer
15 years 5 months ago
2004
Springer
In our research on superimposed information management, we have developed applications where information elements in the superimposed layer serve to annotate, comment, restructure...
101
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PVLDB
2010
14 years 10 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
176
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
188
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
106
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SIGMOD
2002
ACM
15 years 12 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...