David E. Smith, Michael R. Genesereth. Ordering Conjunctive Queries. Artificial Intelligence, 26(2):171-215, 1985.
@article{SmithG85, title = {Ordering Conjunctive Queries}, author = {David E. Smith and Michael R. Genesereth}, year = {1985}, tags = {e-science}, researchr = {https://researchr.org/publication/SmithG85}, cites = {0}, citedby = {0}, journal = {Artificial Intelligence}, volume = {26}, number = {2}, pages = {171-215}, }