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Documents authored by Alberti, Marco

Document
DOI: 10.4230/LIPIcs.ICLP.2010.4
Runtime Addition of Integrity Constraints in an Abductive Proof Procedure

Authors: Marco Alberti, Marco Gavanelli, and Evelina Lamma

Published in: LIPIcs, Volume 7, Technical Communications of the 26th International Conference on Logic Programming (2010)

Abstract
Abductive Logic Programming is a computationally founded representation of abductive reasoning. In most ALP frameworks, integrity constraints express domainspecific logical relationships that abductive answers are required to satisfy. Integrity constraints are usually known a priori. However, in some applications (such as interactive abductive logic programming, multi-agent interactions, contracting) it makes sense to relax this assumption, in order to let the abductive reasoning start with incomplete knowledge of integrity constraints, and to continue without restarting when new integrity constraints become known. In this paper, we propose a declarative semantics for abductive logic programming with addition of integrity constraints during the abductive reasoning process, an operational instantiation (with formal termination, soundness and completeness properties) and an implementation of such a framework based on the SCIFF language and proof procedure.
Cite as

Marco Alberti, Marco Gavanelli, and Evelina Lamma. Runtime Addition of Integrity Constraints in an Abductive Proof Procedure. In Technical Communications of the 26th International Conference on Logic Programming. Leibniz International Proceedings in Informatics (LIPIcs), Volume 7, pp. 4-13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{alberti_et_al:LIPIcs.ICLP.2010.4,
  author =	{Alberti, Marco and Gavanelli, Marco and Lamma, Evelina},
  title =	{{Runtime Addition of Integrity Constraints in an Abductive Proof Procedure}},
  booktitle =	{Technical Communications of the 26th International Conference on Logic Programming},
  pages =	{4--13},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-17-0},
  ISSN =	{1868-8969},
  year =	{2010},
  volume =	{7},
  editor =	{Hermenegildo, Manuel and Schaub, Torsten},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICLP.2010.4},
  URN =		{urn:nbn:de:0030-drops-25784},
  doi =		{10.4230/LIPIcs.ICLP.2010.4},
  annote =	{Keywords: Abduction, semantics, interactive computation, proof procedure}
}
Document
DOI: 10.4230/DagSemProc.07122.15
Expressing and Verifying Business Contracts with Abductive

Authors: Marco Alberti, Federico Chesani, Marco Gavanelli, Evelina Lamma, Paola Mello, Marco Montali, and Paolo Torroni

Published in: Dagstuhl Seminar Proceedings, Volume 7122, Normative Multi-agent Systems (2007)

Abstract
In this article, we propose to adopt the SCIFF abductive logic language to specify business contracts, and show how its proof procedures are useful to verify contract execution and fulfilment. SCIFF is a declarative language based on abductive logic programming, which accommodates forward rules, predicate definitions, and constraints over finite domain variables. Its declarative semantics is abductive, and can be related to that of deontic operators; its operational specification is the sound and complete SCIFF proof procedure, defined as a set of transition rules, which has been implemented and integrated into a reasoning and verification tool. A variation of the SCIFF proof-procedure (g-SCIFF) can be used for static verification of contract properties. We demonstrate the use of the SCIFF language for business contract specification and verification, in a concrete scenario. In order to accommodate integration of SCIFF with architectures for business contract, we also propose an encoding of SCIFF contract rules in RuleML.
Cite as

Marco Alberti, Federico Chesani, Marco Gavanelli, Evelina Lamma, Paola Mello, Marco Montali, and Paolo Torroni. Expressing and Verifying Business Contracts with Abductive. In Normative Multi-agent Systems. Dagstuhl Seminar Proceedings, Volume 7122, pp. 1-29, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{alberti_et_al:DagSemProc.07122.15,
  author =	{Alberti, Marco and Chesani, Federico and Gavanelli, Marco and Lamma, Evelina and Mello, Paola and Montali, Marco and Torroni, Paolo},
  title =	{{Expressing and Verifying Business Contracts with Abductive}},
  booktitle =	{Normative Multi-agent Systems},
  pages =	{1--29},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7122},
  editor =	{Guido Boella and Leon van der Torre and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07122.15},
  URN =		{urn:nbn:de:0030-drops-9017},
  doi =		{10.4230/DagSemProc.07122.15},
  annote =	{Keywords: Contracts, Verification, Abduction}
}
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