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» Modeling Problem Transformations based on Data Complexity
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UAI
1996
15 years 8 months ago
Asymptotic Model Selection for Directed Networks with Hidden Variables
We extend the Bayesian Information Criterion (BIC), an asymptotic approximation for the marginal likelihood, to Bayesian networks with hidden variables. This approximation can be ...
Dan Geiger, David Heckerman, Christopher Meek
SEMWEB
2004
Springer
16 years 15 days ago
Bipartite Graphs as Intermediate Model for RDF
Abstract. RDF Graphs are sets of assertions in the form of subjectpredicate-object triples of information resources. Although for simple examples they can be understood intuitively...
Jonathan Hayes, Claudio Gutiérrez
CCGRID
2006
IEEE
15 years 9 months ago
Biodiversity World: A Problem-Solving Environment for Analysing Biodiversity Patterns
In the Biodiversity World (BDW) project we have created a flexible and extensible Web Services-based Grid environment for biodiversity researchers to solve problems in biodiversity...
Jaspreet Singh Pahwa, Peter Brewer, Tim Sutton, Ch...
PODS
2009
ACM
122views Database» more  PODS 2009»
16 years 7 months ago
Satisfiability of downward XPath with data equality tests
In this work we investigate the satisfiability problem for the logic XPath( , , =), that includes all downward axes as well as equality and inequality tests. We address this probl...
Diego Figueira
ICPP
2008
IEEE
16 years 1 months ago
A List-Based Strategy for Optimal Replica Placement in Data Grid Systems
—Data replications is a typical strategy for improving access performance and data availability in Data Grid systems. Current works on data replication in Grid systems focus on t...
Yi-Fang Lin, Jan-Jan Wu, Pangfeng Liu