5221 search results - page 147 / 1045 » An On-line Problem Database |
WAIM
2010
Springer
14 years 8 months ago
2010
Springer
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
157
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SIGMOD
2008
ACM
16 years 9 months ago
2008
ACM
Virtual machine monitors are becoming popular tools for the deployment of database management systems and other enterprise software applications. In this paper, we consider a commo...
156
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
193
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
161
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VLDB
2005
ACM
15 years 10 months ago
2005
ACM
Joins are arguably the most important relational operators. Poor implementations are tantamount to computing the Cartesian product of the input relations. In a temporal database, t...