Richard Beigel, Richard Chang. Commutative Queries. In ISTCS. pages 159-165, 1997. [doi]
@inproceedings{BeigelC97,
title = {Commutative Queries},
author = {Richard Beigel and Richard Chang},
year = {1997},
url = {http://computer.org/proceedings/istcs/8037/80370159abs.htm},
researchr = {https://researchr.org/publication/BeigelC97},
cites = {0},
citedby = {0},
pages = {159-165},
booktitle = {ISTCS},
}