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ICDT
2007
ACM
74views Database» more  ICDT 2007»
14 years 2 months ago
World-Set Decompositions: Expressiveness and Efficient Algorithms
Uncertain information is commonplace in real-world data management scenarios. The ability to represent large sets of possible instances (worlds) while supporting efficient storage ...
Lyublena Antova, Christoph Koch, Dan Olteanu
ECML
2005
Springer
14 years 26 days ago
Clustering and Metaclustering with Nonnegative Matrix Decompositions
Although very widely used in unsupervised data mining, most clustering methods are affected by the instability of the resulting clusters w.r.t. the initialization of the algorithm ...
Liviu Badea
IPPS
2010
IEEE
13 years 8 months ago
Parallel external memory graph algorithms
In this paper, we study parallel I/O efficient graph algorithms in the Parallel External Memory (PEM) model, one of the private-cache chip multiprocessor (CMP) models. We study the...
Lars Arge, Michael T. Goodrich, Nodari Sitchinava
AIPS
2009
14 years 22 hour ago
Inference and Decomposition in Planning Using Causal Consistent Chains
Current state-of-the-art planners solve problems, easy and hard alike, by search, expanding hundreds or thousands of nodes. Yet, given the ability of people to solve easy problems...
Nir Lipovetzky, Hector Geffner
CORR
2008
Springer
130views Education» more  CORR 2008»
13 years 11 months ago
Convex Hull of Arithmetic Automata
Abstract. Arithmetic automata recognize infinite words of digits denoting decompositions of real and integer vectors. These automata are known expressive and efficient enough to re...
Jérôme Leroux