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» On Graph Isomorphism for Restricted Graph Classes
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94
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SDM
2004
SIAM
163views Data Mining» more  SDM 2004»
15 years 1 months ago
Basic Association Rules
Previous approaches for mining association rules generate large sets of association rules. Such sets are difficult for users to understand and manage. Here, the concept of a restri...
Guichong Li, Howard J. Hamilton
COCO
2000
Springer
65views Algorithms» more  COCO 2000»
15 years 4 months ago
On the Complexity of Quantum ACC
For any q > 1, let MODq be a quantum gate that determines if the number of 1’s in the input is divisible by q. We show that for any q, t > 1, MODq is equivalent to MODt (u...
Frederic Green, Steven Homer, Chris Pollett
104
Voted
PODS
2004
ACM
139views Database» more  PODS 2004»
15 years 11 months ago
On Preservation under Homomorphisms and Unions of Conjunctive Queries
Unions of conjunctive queries, also known as select-project-join-union queries, are the most frequently asked queries in relational database systems. These queries are definable b...
Albert Atserias, Anuj Dawar, Phokion G. Kolaitis
84
Voted
ICALP
2007
Springer
15 years 5 months ago
Aliased Register Allocation for Straight-Line Programs Is NP-Complete
Register allocation is NP-complete in general but can be solved in linear time for straight-line programs where each variable has at most one definition point if the bank of regis...
Jonathan K. Lee, Jens Palsberg, Fernando Magno Qui...
DAC
1999
ACM
16 years 18 days ago
Constraint Driven Code Selection for Fixed-Point DSPs
Abstract? Fixed-point DSPs are a class of embedded processors with highly irregular architectures. This irregularity makes it difficult to generate high-quality machine code from p...
Steven Bashford, Rainer Leupers