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201
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
171
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CPM
2009
Springer
15 years 11 months ago
2009
Springer
A sequence of reversals that takes a signed permutation to the identity is perfect if it preserves all common intervals between the permutation and the identity. The problem of com...
ISLPED
2009
ACM
15 years 11 months ago
2009
ACM
While researchers have invested substantial effort to build architectural power models, validating such models has proven difficult at best. In this paper, we examine the accurac...
139
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CP
2007
Springer
15 years 10 months ago
2007
Springer
Symmetry is an important factor in solving many constraint satisfaction problems. One common type of symmetry is when we have symmetric values. We can eliminate such value symmetr...
121
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MKM
2005
Springer
15 years 10 months ago
2005
Springer
Abstract. Many processes in mathematical computing try to use knowledge of the most desired forms of mathematical expressions. This occurs, for example, in symbolic computation sys...