Representing and reasoning on contexts is an open problem in the semantic web. Despite the fact that context representation has for a long time been treated locally by semantic web practitioners, a recognized and widely accepted consensus regarding the way of encoding and particularly reasoning on contextual knowledge has not yet been reached by far. In this paper, we present OWL^C : a contextual two-dimensional web ontology language. Using the first dimension, we can reason on contexts-dependent classes, properties, and axioms and using the second dimension, we can reason on knowledge about contexts which we consider formal objects, as proposed by McCarthy [McCarthy, 1987]. We demonstrate the modeling strength and reasoning capabilities of OWL^C with a practical scenario from the digital humanity domain. We chose the Ferdinand de Saussure [Joseph, 2012] use case in virtue of its inherent contextual nature, as well as its notable complexity which allows us to highlight many issues connected with contextual knowledge representation and reasoning.
@InProceedings{aljalbout_et_al:OASIcs.LDK.2019.2, author = {Aljalbout, Sahar and Buchs, Didier and Falquet, Gilles}, title = {{OWL^C: A Contextual Two-Dimensional Web Ontology Language}}, booktitle = {2nd Conference on Language, Data and Knowledge (LDK 2019)}, pages = {2:1--2:13}, series = {Open Access Series in Informatics (OASIcs)}, ISBN = {978-3-95977-105-4}, ISSN = {2190-6807}, year = {2019}, volume = {70}, editor = {Eskevich, Maria and de Melo, Gerard and F\"{a}th, Christian and McCrae, John P. and Buitelaar, Paul and Chiarcos, Christian and Klimek, Bettina and Dojchinovski, Milan}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.LDK.2019.2}, URN = {urn:nbn:de:0030-drops-103666}, doi = {10.4230/OASIcs.LDK.2019.2}, annote = {Keywords: Contextual Reasoning, OWL^C, Contexts in digital humanities} }
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