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SIGMOD
2007
ACM
219views Database» more  SIGMOD 2007»
15 years 9 months ago
Efficient exploitation of similar subexpressions for query processing
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
Jingren Zhou, Johann Christoph Freytag, Per-Å...
IPPS
2010
IEEE
14 years 7 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
KDD
2002
ACM
150views Data Mining» more  KDD 2002»
15 years 10 months ago
Querying multiple sets of discovered rules
Rule mining is an important data mining task that has been applied to numerous real-world applications. Often a rule mining system generates a large number of rules and only a sma...
Alexander Tuzhilin, Bing Liu
CSFW
2004
IEEE
15 years 1 months ago
Cassandra: Flexible Trust Management, Applied to Electronic Health Records
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
Moritz Y. Becker, Peter Sewell
JMLR
2006
103views more  JMLR 2006»
14 years 9 months ago
MinReg: A Scalable Algorithm for Learning Parsimonious Regulatory Networks in Yeast and Mammals
In recent years, there has been a growing interest in applying Bayesian networks and their extensions to reconstruct regulatory networks from gene expression data. Since the gene ...
Dana Pe'er, Amos Tanay, Aviv Regev