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AAAI
2008
13 years 9 months ago
Computing Minimal Diagnoses by Greedy Stochastic Search
Most algorithms for computing diagnoses within a modelbased diagnosis framework are deterministic. Such algorithms guarantee soundness and completeness, but are P 2 hard. To overc...
Alexander Feldman, Gregory M. Provan, Arjan J. C. ...
ICDT
1995
ACM
79views Database» more  ICDT 1995»
13 years 11 months ago
Optimization Using Tuple Subsumption
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
Venky Harinarayan, Ashish Gupta
SIAMCOMP
2010
172views more  SIAMCOMP 2010»
13 years 2 months ago
Deterministic Polynomial Time Algorithms for Matrix Completion Problems
We present new deterministic algorithms for several cases of the maximum rank matrix completion problem (for short matrix completion), i.e. the problem of assigning values to the ...
Gábor Ivanyos, Marek Karpinski, Nitin Saxen...
CORR
2011
Springer
241views Education» more  CORR 2011»
13 years 2 months ago
An Alternating Direction Algorithm for Matrix Completion with Nonnegative Factors
This paper introduces a novel algorithm for the nonnegative matrix factorization and completion problem, which aims to find nonnegative matrices X and Y from a subset of entries o...
Yangyang Xu, Wotao Yin, Zaiwen Wen, Yin Zhang
CORR
2011
Springer
171views Education» more  CORR 2011»
13 years 2 months ago
Complete Subdivision Algorithms, II: Isotopic Meshing of Singular Algebraic Curves
Michael Burr, Sung Woo Choi, Benjamin Galehouse, C...