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About Epistemic Negation and World Views in Epistemic Logic Programs

Published online by Cambridge University Press:  20 September 2019

STEFANIA COSTANTINI Open the ORCID record for STEFANIA COSTANTINI [Opens in a new window]
STEFANIA COSTANTINI*
Affiliation:
DISIM - Università dell’Aquila, Italy (e-mail: stefania.costantini@univaq.it)
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Abstract

In this paper we consider Epistemic Logic Programs, which extend Answer Set Programming (ASP) with “ epistemic operators” and “ epistemic negation”, and a recent approach to the semantics of such programs in terms of World Views. We propose some observations on the existence and number of world views. We show how to exploit an extended ASP semantics in order to: (i) provide a characterization of world views, different from existing ones; (ii) query world views and query the whole set of world views.

Keywords

Answer Set ProgrammingEpistemic Logic ProgramsEpistemic Negation
Type
Original Article
Information
Theory and Practice of Logic Programming , Volume 19 , Special Issue 5-6: 35th International Conference on Logic Programming , September 2019 , pp. 790 - 807
Copyright
© Cambridge University Press 2019 

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