Many approaches for forgetting in Answer Set Programming (ASP) have been proposed in recent years, in the form of specific operators, or classes of operators, following different principles and obeying different properties. A recently published comprehensive overview of existing operators and properties provided a uniform picture of the landscape, including many novel (even surprising) results on relations between properties and operators. Yet, this overview largely missed an additional set properties for forgetting, proposed by Wong, and this paper aims to close this gap. It turns out that, while some of these properties are closely related to the properties previously studied, four of them are distinct providing novel results and insights, further strengthening established relations between existing operators.
CITATION STYLE
Gonçalves, R., Knorr, M., & Leite, J. (2016). Forgetting in ASP: The forgotten properties. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 10021 LNAI, pp. 543–550). Springer Verlag. https://doi.org/10.1007/978-3-319-48758-8_37
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