6650 search results - page 297 / 1330 » Mutating database queries |
212
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...
143
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FQAS
2004
Springer
15 years 10 months ago
2004
Springer
Abstract. There is currently great interest in integrating knowledge discovery research into mainstream database systems. Such an enterprise is nontrivial because knowledge discove...
128
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SIGMOD
1995
ACM
15 years 8 months ago
1995
ACM
A number of execution strategies for parallel evaluation of multi-join queries have been proposed in the literature; their performance was evaluated by simulation. In this paper w...
142
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SIGMOD
2010
ACM
15 years 9 months ago
2010
ACM
Many advanced data management operations (e.g., incremental maintenance, trust assessment, debugging schema mappings, keyword search over databases, or query answering in probabil...
165
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FOCS
1998
IEEE
15 years 9 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...