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	<pub:Article rdf:about="http://ebiquity.umbc.edu/paper/html/id/684/Meta-interpreters-for-rule-based-inference-under-uncertainty">
		<rdfs:label><![CDATA[Meta-interpreters for rule-based inference under uncertainty]]></rdfs:label>
		<pub:title><![CDATA[Meta-interpreters for rule-based inference under uncertainty]]></pub:title>
		<pub:publishedOn rdf:datatype="&xsd;dateTime">1990-04-30T00:00:00-05:00</pub:publishedOn>
		<pub:abstract><![CDATA[One of the key challenges in designing expert is a credible representation of uncertainty and partial belief. During the past decade, a number of rule-based belief languages were proposed and implemented in applied systems. Due to their quasi-probabilistic nature, the external validity of these languages is an open question. This paper discusses the theory of belief revision in expert systems through a canonical belief calculus model which is invariant across different languages. A meta-interpreter for non-categorical reasoning is then presented. The purposes of this logic model is twofold: first, it provides a clear and concise conceptualization of belief representation and propagation in rule-based systems. Second, it serves as a working shell which can be instantiated with different belief calculi. This enables experiments to investigate the net impact of alternative belief languages on the external validity of a fixed expert system.]]></pub:abstract>
		<pub:pages><![CDATA[165-181]]></pub:pages>
		<pub:number><![CDATA[2]]></pub:number>
		<pub:volume><![CDATA[6]]></pub:volume>
		<pub:counter>1490</pub:counter>
		<pub:tag><![CDATA[prolog]]></pub:tag>
		<pub:tag><![CDATA[reasoning]]></pub:tag>
		<pub:tag><![CDATA[rules]]></pub:tag>
		<pub:booktitle><![CDATA[Decision Support Systems]]></pub:booktitle>
		<pub:publisher><![CDATA[Elsevier]]></pub:publisher>
		<pub:author>
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					<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Tim/Finin"><person:name><![CDATA[Tim Finin]]></person:name><rdfs:label><![CDATA[Tim Finin]]></rdfs:label></person:Person>
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							<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Shimon/Schocken"><person:name><![CDATA[Shimon Schocken]]></person:name><rdfs:label><![CDATA[Shimon Schocken]]></rdfs:label></person:Person>
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<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Tim/Finin"><person:name><![CDATA[Tim Finin]]></person:name><rdfs:label><![CDATA[Tim Finin]]></rdfs:label></person:Person>
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			<pub:softCopyFormat><![CDATA[PDF Document]]></pub:softCopyFormat>
			<pub:softCopyURI><![CDATA[http://ebiquity.umbc.edu/get/a/publication/738.pdf]]></pub:softCopyURI>
			<pub:softCopySize>1358792</pub:softCopySize>
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