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MP
2007
142views more  MP 2007»
15 years 6 months ago
Active-constraint variable ordering for faster feasibility of mixed integer linear programs
The selection of the branching variable can greatly affect the speed of the branch and bound solution of a mixed-integer or integer linear program. Traditional approaches to branc...
Jagat Patel, John W. Chinneck
284
Voted
VLDB
2007
ACM
145views Database» more  VLDB 2007»
16 years 7 months ago
LCS-TRIM: Dynamic Programming Meets XML Indexing and Querying
In this article, we propose a new approach for querying and indexing a database of trees with specific applications to XML datasets. Our approach relies on representing both the q...
Shirish Tatikonda, Srinivasan Parthasarathy, Matth...
SIAMCOMP
2000
88views more  SIAMCOMP 2000»
15 years 6 months ago
Gadgets, Approximation, and Linear Programming
We present a linear programming-based method for nding \gadgets", i.e., combinatorial structures reducing constraints of one optimization problem to constraints of another. A...
Luca Trevisan, Gregory B. Sorkin, Madhu Sudan, Dav...
CORR
2002
Springer
187views Education» more  CORR 2002»
15 years 6 months ago
Answer Sets for Consistent Query Answering in Inconsistent Databases
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
ESOP
2003
Springer
15 years 12 months ago
Automatic Software Model Checking Using CLP
This paper proposes the use of constraint logic programming (CLP) to perform model checking of traditional, imperative programs. We present a semantics-preserving translation from ...
Cormac Flanagan