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Leite, {João Alexandre Carvalho Pinheiro}, and {José Júlio Alves} Alferes. "Dynamic updates of non-monotonic knowledge bases." Journal Of Logic Programming. 45 (2000): 43-70. Abstract
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Leite, {João Alexandre Carvalho Pinheiro}, and {José Júlio Alves} Alferes. "Dynamic Logic Programming." Declarative Programming. 1998. 393-408. Abstract
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Leite, {João Alexandre Carvalho Pinheiro}, and {José Júlio Alves} Alferes. "Dynamic Logic Programming." Representation and Reasoning. Morgan Kaufmann, 1998. 98-109. Abstract
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Alferes, {José Júlio Alves}, and DI Group Author. "Dynamic knowledge representation and its applications." Lecture Notes in Computer Science. Vol. 1904. 2000. 1-10. Abstract
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Damásio, {Carlos Augusto Isaac Piló Viegas}, and {José Júlio Alves} Alferes. "DIAGNOSIS AND DEBUGGING AS CONTRADICTION REMOVAL." MIT Press. 1993. 316-330. Abstract
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Gonçalves, Ricardo, and José Júlio Alferes. "Deontic logic programs." International conference on Autonomous Agents and Multi-Agent Systems, AAMAS '13. IFAAMAS, 2013. 1333-1334. Abstractaamas13.pdf

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Alferes, {José Júlio Alves}, and {Luís Manuel Sancho Moniz} Pereira. "DEFAULT THEORY FOR WELL FOUNDED SEMANTICS WITH EXPLICIT NEGATION." LOGICS IN AI. 633 (1992): 339-356. Abstract
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Alferes, {José Júlio Alves}. "DEFAULT THEORY FOR WELL FOUNDED SEMANTICS WITH EXPLICIT NEGATION." Lecture Notes in Artificial Intelligence. Vol. 633. 1992. 339-356. Abstract
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Damásio, {Carlos Augusto Isaac Piló Viegas}, {José Júlio Alves} Alferes, {Pedro Manuel Corrêa Calvente de} Barahona, and {Francisco Moura Castro Ascensão E. de de} Azevedo. "Deductive Diagnosis of Digital Circuits." Artificial Intelligence Applications and Innovations. 2004. 155-165. Abstract
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Damásio, {Carlos Augusto Isaac Piló Viegas}, {José Júlio Alves} Alferes, {Pedro Manuel Corrêa Calvente de} Barahona, and {Francisco Moura Castro Ascensão E. de de} Azevedo. "Deductive Diagnosis of Digital Circuits." IFIP World Computer Congress. 2004. 155-166. Abstract
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Damásio, Carlos Viegas, João Leite, and José Júlio Alferes. "Declarative Semantics for the Rule Interchange Format Production Rule Dialect." The Semantic Web - ISWC 2010 - 9th International Semantic Web Conference. Springer, 2010. 798-813. Abstractiswc10.pdf

TheRuleInterchangeFormatProductionRuleDialect(RIF- PRD) is a W3C Recommendation to define production rules for the Semantic Web, whose semantics is defined operationally via labeled ter- minal transition systems.
In this paper, we introduce a declarative logical characterization of the full default semantics of RIF-PRD based on Answer Set Programming (ASP), including matching, conflict resolution and acting.
Our proposal to the semantics of RIF-PRD enjoys several features. Being based on ASP, it enables a straightforward integration with Logic Programming rule based technology, namely for reasoning and acting with ontologies. Then, its full declarative logical character facilitates the in- vestigation of formal properties of RIF-PRD itself. Furthermore, it turns out that our characterization based on ASP is flexible enough so that new conflict resolution semantics for RIF-PRD can easily be defined and encoded. Finally, it immediately serves as the declarative specification of an implementation, whose prototype we developed.

Gonçalves, Ricardo, and José Júlio Alferes. "Decidability and Implementation of Parametrized Logic Programs." Logic Programming and Nonmonotonic Reasoning, 12th International Conference, LPNMR 2013. Springer-Verlag, 2013. 361-373. Abstractlpnmr13a.pdf

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