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	<pub:InProceedings rdf:about="http://ebiquity.umbc.edu/paper/html/id/137/Authorization-and-Privacy-for-Semantic-Web-Services">
		<rdfs:label><![CDATA[Authorization and Privacy for Semantic Web Services]]></rdfs:label>
		<pub:title><![CDATA[Authorization and Privacy for Semantic Web Services]]></pub:title>
		<pub:publishedOn rdf:datatype="&xsd;dateTime">2004-03-22T00:00:00-05:00</pub:publishedOn>
		<pub:abstract><![CDATA[In this paper, we address the security of semantic Web services that are declaratively described in OWL-S. We propose ontologies to annotate OWL-S input and output parameters with respect to their security characteristics, including encryption and digital signatures. Moreover, we propose to incorporate privacy and authentication policies into OWL-S descriptions and requester profiles. We designed and implemented algorithms to check policy compliance and integrated them into the service selection process of the OWL-S MatchMaker. We extended the OWL-S VM with features for encrypting and signing messages exchanged between the service requester and the provider.]]></pub:abstract>
		<pub:pages><![CDATA[137-144]]></pub:pages>
		<pub:note><![CDATA[<img src="https://i.imgur.com/ASA1pSs.png" style='height: 70%; width: 70%; object-fit: contain; display: block; margin-left: auto; margin-right: auto;'>]]></pub:note>
		<pub:address><![CDATA[Menlo Park, CA]]></pub:address>
		<pub:organization><![CDATA[AAAI]]></pub:organization>
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		<pub:googleCitations>10</pub:googleCitations>
		<pub:tag><![CDATA[ai]]></pub:tag>
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		<pub:tag><![CDATA[security]]></pub:tag>
		<pub:tag><![CDATA[semantic web]]></pub:tag>
		<pub:tag><![CDATA[service]]></pub:tag>
		<pub:booktitle><![CDATA[First International Semantic Web Services Symposium, AAAI 2004 Spring Symposium]]></pub:booktitle>
		<pub:publisher><![CDATA[Association for the Advancement of Artificial Intelligence]]></pub:publisher>
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		<pub:relatedProject><project:PastProject rdf:about="http://ebiquity.umbc.edu/project/html/id/34/Rei-A-Policy-Specification-Language"><project:title><![CDATA[Rei : A Policy Specification Language]]></project:title><rdfs:label><![CDATA[Rei : A Policy Specification Language]]></rdfs:label></project:PastProject></pub:relatedProject>
		<pub:relatedProject><project:PastProject rdf:about="http://ebiquity.umbc.edu/project/html/id/10/Securing-the-Semantic-Web-A-Trust-Management-Approach"><project:title><![CDATA[Securing the Semantic Web: A Trust Management Approach]]></project:title><rdfs:label><![CDATA[Securing the Semantic Web: A Trust Management Approach]]></rdfs:label></project:PastProject></pub:relatedProject>
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