Raymond F. Boyce, Donald D. Chamberlin, Michael Hammer, W. Frank King III
Specifying Queries as Relational Expressions
SIGIR, 1973.
@inproceedings{SIGIR-1973-BoyceCHK,
author = "Raymond F. Boyce and Donald D. Chamberlin and Michael Hammer and W. Frank King III",
booktitle = "{Proceedings of the ACM SIGIR meeting on Programming Languages and Information Retrieval}",
pages = "31--47",
publisher = "{ACM}",
title = "{Specifying Queries as Relational Expressions}",
year = 1973,
}