Richard J. Wallace. Why AC-3 is Almost Always Better than AC4 for Establishing Arc Consistency in CSPs. In IJCAI. pages 239-247, 1993.
@inproceedings{Wallace93:1, title = {Why AC-3 is Almost Always Better than AC4 for Establishing Arc Consistency in CSPs}, author = {Richard J. Wallace}, year = {1993}, tags = {consistency}, researchr = {https://researchr.org/publication/Wallace93%3A1}, cites = {0}, citedby = {0}, pages = {239-247}, booktitle = {IJCAI}, }