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FOCS
2010
IEEE
15 years 4 months ago
Solving Linear Systems through Nested Dissection
Abstract--The generalized nested dissection method, developed by Lipton, Rose, and Tarjan, is a seminal method for solving a linear system Ax = b where A is a symmetric positive de...
Noga Alon, Raphael Yuster
CIKM
2010
Springer
15 years 1 months ago
Modeling betweenness for question answering
The gap between the user's information need and query is expanding due to the pervasiveness of Web search. Multimedia question answering is restricted by disjoint infrastruct...
Brandeis Marshall
TIT
2010
121views Education» more  TIT 2010»
15 years 1 months ago
Mismatched estimation and relative entropy
A random variable with distribution P is observed in Gaussian noise and is estimated by a minimum meansquare estimator that assumes that the distribution is Q. This paper shows tha...
Sergio Verdú
ANOR
2008
89views more  ANOR 2008»
15 years 6 months ago
Ordered sets with interval representation and ( m , n )-Ferrers relation
: Semiorders may form the simplest class of ordered sets with a not necessarily transitive indifference relation. Their generalization has given birth to many other classes of orde...
Meltem Öztürk
WWW
2007
ACM
16 years 7 months ago
Using Google distance to weight approximate ontology matches
Discovering mappings between concept hierarchies is widely regarded as one of the hardest and most urgent problems facing the Semantic Web. The problem is even harder in domains w...
Risto Gligorov, Warner ten Kate, Zharko Aleksovski...