s(ASP)

s(ASP) is an implementation of the stable model semantics of logic programming. Unlike similar systems, it does not employ any form of grounding. This allows s(ASP) to execute programs that are not finitely groundable, including those which make use of lists and terms. Work on s(ASP) is supported by the National Science Foundation under Grant No. 1423419.

Details of how s(ASP) works can be found in the following paper:
Marple, Kyle, Elmer Salazar, and Gopal Gupta. "Computing Stable Models of Normal
Logic Programs Without Grounding." arXiv preprint arXiv:1709.00501 (2017)
(https://arxiv.org/abs/1709.00501).