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» Computing with abstract matrix structures
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EUROPAR
2005
Springer
15 years 5 months ago
A Paradigm for Parallel Matrix Algorithms:
A style for programming problems from matrix algebra is developed with a familiar example and new tools, yielding high performance with a couple of surprising exceptions. The under...
David S. Wise, Craig Citro, Joshua Hursey, Fang Li...
85
Voted
CVPR
2010
IEEE
15 years 5 months ago
Anatomical Parts-Based Regression Using Non-Negative Matrix Factorization
Non-negative matrix factorization (NMF) is an excellent tool for unsupervised parts-based learning, but proves to be ineffective when parts of a whole follow a specific pattern. ...
Swapna Joshi, Karthikeyan Shanmugavadivel, B.S. Ma...
DAGSTUHL
2007
15 years 1 months ago
From Algebraic Riccati equations to unilateral quadratic matrix equations: old and new algorithms
The problem of reducing an algebraic Riccati equation XCX − AX − XD + B = 0 to a unilateral quadratic matrix equation (UQME) of the kind PX2 + QX + R = 0 is analyzed. New redu...
Dario Andrea Bini, Beatrice Meini, Federico Poloni
DASFAA
2010
IEEE
166views Database» more  DASFAA 2010»
15 years 6 months ago
The Objects Interaction Matrix for Modeling Cardinal Directions in Spatial Databases
Abstract. Besides topological relations and approximate relations, cardinal directions have turned out to be an important class of qualitative spatial relations. In spatial databas...
Tao Chen, Markus Schneider, Ganesh Viswanathan, We...
SAT
2007
Springer
181views Hardware» more  SAT 2007»
15 years 5 months ago
Breaking Symmetries in SAT Matrix Models
Abstract. Symmetry occurs naturally in many computational problems. The use of symmetry breaking techniques for solving search problems reduces the search space and therefore is ex...
Inês Lynce, João P. Marques Silva