In this paper we consider the problem of introducing variables in temporal logic programs under the formalism of Temporal Equilibrium Logic (TEL), an extension of Answer Set Programming (ASP) for dealing with linear-time modal operators. We provide several fundamental contributions that pave the way for the implementation of a grounding process, that is, a method that allows replacing variables by ground instances in all the possible (or better, relevant) ways.
@InProceedings{aguado_et_al:LIPIcs.ICLP.2012.290, author = {Aguado, Felicidad and Cabalar, Pedro and Di\'{e}guez, Mart{\'\i}n and P\'{e}rez, Gilberto and Vidal, Concepci\'{o}n}, title = {{Paving the Way for Temporal Grounding}}, booktitle = {Technical Communications of the 28th International Conference on Logic Programming (ICLP'12)}, pages = {290--300}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-43-9}, ISSN = {1868-8969}, year = {2012}, volume = {17}, editor = {Dovier, Agostino and Santos Costa, V{\'\i}tor}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICLP.2012.290}, URN = {urn:nbn:de:0030-drops-36301}, doi = {10.4230/LIPIcs.ICLP.2012.290}, annote = {Keywords: ASP, linear temporal logic, grounding, temporal equilibrium logic} }
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