An Approach to Generating Arguments over DL-Lite Ontologies


  • Xiaowang Zhang Hasselt University
  • Zuoquan Lin Peking University


Description Logic, DL-Lite, ontology, argument, focal graph, support path


Argumentation frameworks for ontology reasoning and management have received extensive interests in the field of artificial intelligence in recent years. As one of the most popular argumentation frameworks, Besnard and Hunter's framework is built on arguments in form of where Phi is consistent and minimal for entailing phi. However, the problem about generating arguments over ontologies is still open. This paper presents an approach to generating arguments over DL-Lite ontologies by searching support paths in focal graphs. Moreover, theoretical results and examples are provided to ensure the correctness of this approach. Finally, we show this approach has the same complexity as propositional revision.


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Author Biographies

Xiaowang Zhang, Hasselt University

Databases and Theoretical Computer Science Group

Zuoquan Lin, Peking University

School of Mathematical Sciences




How to Cite

Zhang, X., & Lin, Z. (2013). An Approach to Generating Arguments over DL-Lite Ontologies. COMPUTING AND INFORMATICS, 32(5), 924–948. Retrieved from

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