CHRONOS Ed: A tool for handling temporal ontologies in Proté gé

Alexandros Preventis, Euripides G M Petrakis, Sotirios Batsakis

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Representing information evolving in time in ontologies is a difficult problem to deal with. Temporal relations are in fact ternary (i.e., properties of objects that change in time involve also a temporal value in addition to the object and the subject) and cannot be handled directly by OWL. The standard solution to this problem is to map all temporal relations to a set of binary ones with new (intermediate) classes introduced by the temporal model applied. Nevertheless, ontologies then become complicated and difficult to handle by standard editors such as Protégé (e.g., property restrictions of temporal classes might refer to the new classes rather than to the classes on which they were meant to be defined). It also requires that the user be familiar with the peculiarities of the temporal representation. This is exactly the problem this work is dealing with. We introduce CHRONOS Ed, a plug-in for Protégé that enables handling of temporal ontologies in Protégé the same way static ontologies are handled. It is implemented as a Tab plug-in for Protégé and can be downloaded from the Web.

LanguageEnglish
Article number1460018
JournalInternational Journal on Artificial Intelligence Tools
Volume23
Issue number4
DOIs
Publication statusPublished - 2014

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title = "CHRONOS Ed: A tool for handling temporal ontologies in Prot{\'e} g{\'e}",
abstract = "Representing information evolving in time in ontologies is a difficult problem to deal with. Temporal relations are in fact ternary (i.e., properties of objects that change in time involve also a temporal value in addition to the object and the subject) and cannot be handled directly by OWL. The standard solution to this problem is to map all temporal relations to a set of binary ones with new (intermediate) classes introduced by the temporal model applied. Nevertheless, ontologies then become complicated and difficult to handle by standard editors such as Prot{\'e}g{\'e} (e.g., property restrictions of temporal classes might refer to the new classes rather than to the classes on which they were meant to be defined). It also requires that the user be familiar with the peculiarities of the temporal representation. This is exactly the problem this work is dealing with. We introduce CHRONOS Ed, a plug-in for Prot{\'e}g{\'e} that enables handling of temporal ontologies in Prot{\'e}g{\'e} the same way static ontologies are handled. It is implemented as a Tab plug-in for Prot{\'e}g{\'e} and can be downloaded from the Web.",
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CHRONOS Ed : A tool for handling temporal ontologies in Proté gé. / Preventis, Alexandros; Petrakis, Euripides G M; Batsakis, Sotirios.

In: International Journal on Artificial Intelligence Tools, Vol. 23, No. 4, 1460018, 2014.

Research output: Contribution to journalArticle

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T2 - International Journal on Artificial Intelligence Tools

AU - Preventis, Alexandros

AU - Petrakis, Euripides G M

AU - Batsakis, Sotirios

PY - 2014

Y1 - 2014

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