4137 search results - page 624 / 828 » Managing Expressions as Data in Relational Database Systems |
150
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VLDB
1987
ACM
15 years 10 months ago
1987
ACM
Beginning to create the New Oxford English Dictionary database has resulted in the realization that databases for reference texts are unlike those for conventional enterprises. Wh...
198
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PODS
1999
ACM
15 years 11 months ago
1999
ACM
We investigate the problem of how to extend constraint query languages with aggregate operators. We deal with standard relational aggregation, and also with aggregates speci c to ...
182
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CIKM
2005
Springer
16 years 3 days ago
2005
Springer
Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...
164
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VLDB
1998
ACM
15 years 10 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
161
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IS
2007
15 years 6 months ago
2007
Despite the importance of ranked queries in numerous applications involving multi-criteria decision making, they are not efficiently supported by traditional database systems. In ...