11 search results - page 2 / 3 » Hypertree Decompositions and Tractable Queries |
JCSS
2008
13 years 6 months ago
2008
In this paper we derive a generic form of structural decomposition for the constraint satisfaction problem, which we call a guarded decomposition. We show that many existing decom...
PODS
2004
ACM
14 years 6 months ago
2004
ACM
UAI
2008
13 years 7 months ago
2008
This paper develops a measure for bounding the performance of AND/OR search algorithms for solving a variety of queries over graphical models. We show how drawing a connection to ...
CORR
2012
Springer
12 years 2 months ago
2012
Springer
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
ICDE
2010
IEEE
14 years 6 months ago
2010
IEEE
Abstract-- This paper introduces a deterministic approximation algorithm with error guarantees for computing the probability of propositional formulas over discrete random variable...