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» Generating Rule Sets from Model Trees
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JIKM
2008
98views more  JIKM 2008»
15 years 4 months ago
Knowledge-Based Expert System Development and Validation with Petri Nets
Expert systems (ESs) are complex information systems that are expensive to build and difficult to validate. Numerous knowledge representation strategies such as rules, semantic net...
Madjid Tavana
SEMWEB
2010
Springer
15 years 1 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
ENTCS
2007
190views more  ENTCS 2007»
15 years 3 months ago
Modelling Multicast QoS Routing by using Best-Tree Search in And-or Graphs and Soft Constraint Logic Programming
We suggest a formal model to represent and solve the multicast routing problem in multicast networks. To attain this, we model the network adapting it to a weighted and-or graph, ...
Stefano Bistarelli, Ugo Montanari, Francesca Rossi...
JCSS
2010
111views more  JCSS 2010»
15 years 2 months ago
Reduction rules for reset/inhibitor nets
Abstract. Reset/inhibitor nets are Petri nets extended with reset arcs and inhibitor arcs. A reset arc allows a transition to remove all tokens from a certain place when the transi...
H. M. W. Verbeek, Moe Thandar Wynn, Wil M. P. van ...
ICPR
2006
IEEE
16 years 5 months ago
A Higher-Order Active Contour Model for Tree Detection
We present a model of a `gas of circles', the ensemble of regions in the image domain consisting of an unknown number of circles with approximately fixed radius and short ran...
Peter Horvath, Ian Jermyn, Zoltan Kato, and Josian...