Media type: E-Article Title: Visualizing Semantic Web proofs of defeasible logic in the DR-DEVICE system Contributor: Kontopoulos, Efstratios; Bassiliades, Nick; Antoniou, Grigoris imprint: Elsevier BV, 2011 Published in: Knowledge-Based Systems Language: English DOI: 10.1016/j.knosys.2010.12.001 ISSN: 0950-7051 Origination: Footnote: