Enrico Pontelli, Tran Cao Son, Omar El-Khatib. Justifications for logic programs under answer set semantics. TPLP, 9(1):1-56, 2009. [doi]
@article{PontelliSE09,
title = {Justifications for logic programs under answer set semantics},
author = {Enrico Pontelli and Tran Cao Son and Omar El-Khatib},
year = {2009},
doi = {10.1017/S1471068408003633},
url = {http://dx.doi.org/10.1017/S1471068408003633},
tags = {semantics, logic programming, logic},
researchr = {https://researchr.org/publication/PontelliSE09},
cites = {0},
citedby = {0},
journal = {TPLP},
volume = {9},
number = {1},
pages = {1-56},
}