Cássia Trojahn dos Santos Paulo Quaresma Renata Vieira Matching Law Ontologies using an Extended Argumentation Framework based on Confidence Degrees. 133-144 2009 Law, Ontologies and the Semantic Web http://dx.doi.org/10.3233/978-1-58603-942-4-133 conf/icail/2009faia db/conf/icail/faia188.html#SantosQV09