PR-OWL 2.0 - Bridging the gap to OWL semantics
by Rommel Carvalho, Postdoctoral Research Associate at C4I / George Mason University on Dec 19, 2010
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Presentation given by Rommel Carvalho at the 6th Uncertainty Reasoning for the Semantic Web Workshop at the 9th International Semantic Web Conference in November 7, 2010. ...
Presentation given by Rommel Carvalho at the 6th Uncertainty Reasoning for the Semantic Web Workshop at the 9th International Semantic Web Conference in November 7, 2010.
Paper: PR-OWL 2.0 - Bridging the gap to OWL semantics
Abstract: The past few years have witnessed an increasingly mature body of research on the Semantic Web, with new standards being developed and more complex use cases being proposed and explored. As complexity increases in SW applications, so does the need for principled means to cope with uncertainty inherent to real world SW applications. Not surprisingly, several approaches addressing uncertainty representation and reasoning on the Semantic Web have emerged [3, 4, 6, 7, 10, 11, 13, 14]. For example, PR-OWL  provides OWL constructs for representing Multi-Entity Bayesian Network (MEBN)  theories. This paper reviews some shortcomings of PR-OWL 1  and describes how they will be addressed in PR-OWL 2. A method is presented for mapping back and forth from triples into random variables (RV). The method applies to triples representing both predicates and functions. A complex example is given for mapping an n-ary relation using the proposed schematic.
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