In this paper we consider Epistemic Logic Programs, which extend Answer Set Programming (ASP) with “epistemic operators”, 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 exploit an extended ASP semantics in order to: (i) provide a novel characterization of world views; (ii) query world views and query the whole set of world views. This paper is under consideration for acceptance in TPLP
About epistemic negation and world views in Epistemic Logic Programs
Costantini S.
2019-01-01
Abstract
In this paper we consider Epistemic Logic Programs, which extend Answer Set Programming (ASP) with “epistemic operators”, 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 exploit an extended ASP semantics in order to: (i) provide a novel characterization of world views; (ii) query world views and query the whole set of world views. This paper is under consideration for acceptance in TPLPFile in questo prodotto:
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