Sanjiang Li, Mingsheng Ying. Soft constraint abstraction based on semiring homomorphism. Theoretical Computer Science, 403(2-3):192-201, 2008. [doi]
@article{LiY08:17,
title = {Soft constraint abstraction based on semiring homomorphism},
author = {Sanjiang Li and Mingsheng Ying},
year = {2008},
doi = {10.1016/j.tcs.2008.03.029},
url = {http://dx.doi.org/10.1016/j.tcs.2008.03.029},
tags = {rule-based, constraints, abstraction},
researchr = {https://researchr.org/publication/LiY08%3A17},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {403},
number = {2-3},
pages = {192-201},
}