Ontology Mapper: A Muti-Agent System for Knowledge Sharing

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Presentation transcript:

Ontology Mapper: A Muti-Agent System for Knowledge Sharing Suryakant Sansare , Urvi Shah Department of Computer Science UMBC.

Overview Introduction System Design Implementation Scenario Related Work Future Work

Introduction Ontology is the semantic representation of concepts in a machine understandable form. Need for mapping. Use of Multi-Agent System for mapping. Providing Services Autonomous Communication Mapping of ontologies for “Branches of Science”

System Design Department agents in the University Domain. Contain representative ontology Provide Mapping Service Communicate with peers User-Agent interaction. Forms of User Requests Text-Ontology map Ontology-Ontology map Text map. Agent-Agent interaction.

Implementation JADE (JAVA Agent Development Environment) Agents GUIEvent driven CyclicBehaviour for Receivers REQUEST , INFORM ACL messages Rainbow Classifier Perl interface for classifier DAML ontologies

Mapper Service Agent Platform (AP) ACL*REQUEST ACL*INFORM BI agent CS agent * For Case 2 and Case 3 REQUEST and INFORM messages are repeated till complete results are obtained. ACL*REQUEST ACL*INFORM search DF for other agents Ontology Agent Platform (AP) <daml> </daml> Directory Facilitator(DF) Mapper Service

Related Work CAIMAN Takeda, Matsuzuka, & Taniguchi 2000 Exchanging relevant documents between geographically dispersed people in Communities of Interest. Takeda, Matsuzuka, & Taniguchi 2000 performs collaborative document recommendations by finding related folders in users bookmarks. Mitra, Wiederhold, & Kersten 2000 graph-based model for expressing ontology interdependencies is presented. The mapping is performed manually

Future Work Integration with the ITTalks project at UMBC Framework can be expanded to span across various universities and also business organizations The agents can cache results and inferences can be drawn for future queries.