SNePS and Semi-Structured Databases. - António Menezes Leitão; João Pavão Martins (SBBD, 1999)

Ontology Integration: How to perform the Process. - Helena Sofia Pinto; João Pavão Martins (OIS@IJCAI, 2001)

A methodology for ontology integration. - Helena Sofia Andrade N. P. Pinto; João Pavão Martins (K-CAP, 2001)

Evolving Ontologies in Distributed and Dynamic Settings. - Helena Sofia Andrade N. P. Pinto; João Pavão Martins (KR, 2002)

Ontologies: How can They be Built? - Helena Sofia Andrade N. P. Pinto; João Pavão Martins (Knowl. Inf. Syst., 2004)

A Default Logic Based Framework for Argumentation. - Emanuel Santos; João Pavão Martins (ECAI, 2008)

An Argumentation-based Approach to Database Repair. - Emanuel Santos; João Pavão Martins; Helena Galhardas (ECAI, 2010)