Sciweavers

2962 search results - page 491 / 593
» Reasoning on Association Rules
Sort
View
PKDD
2010
Springer
169views Data Mining» more  PKDD 2010»
15 years 4 months ago
Efficient and Numerically Stable Sparse Learning
We consider the problem of numerical stability and model density growth when training a sparse linear model from massive data. We focus on scalable algorithms that optimize certain...
Sihong Xie, Wei Fan, Olivier Verscheure, Jiangtao ...
SEMWEB
2010
Springer
15 years 4 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
TACAS
2010
Springer
212views Algorithms» more  TACAS 2010»
15 years 4 months ago
Assume-Guarantee Verification for Probabilistic Systems
Abstract. We present a compositional verification technique for systems that exhibit both probabilistic and nondeterministic behaviour. We adopt an assume-guarantee approach to ver...
Marta Z. Kwiatkowska, Gethin Norman, David Parker,...
ICOODB
2009
94views Database» more  ICOODB 2009»
15 years 4 months ago
Metamodelling with Datalog and Classes: ConceptBase at the Age of 21
ConceptBase is a deductive object-oriented database system intended for the management of metadata. A distinguishing feature of the Telos language underlying ConceptBase is the abi...
Matthias Jarke, Manfred A. Jeusfeld, Hans W. Nisse...
EUROSYS
2011
ACM
14 years 9 months ago
Symbolic crosschecking of floating-point and SIMD code
We present an effective technique for crosschecking an IEEE 754 floating-point program and its SIMD-vectorized version, implemented in KLEE-FP, an extension to the KLEE symbolic ...
Peter Collingbourne, Cristian Cadar, Paul H. J. Ke...