Richard Hull, Jianwen Su. On the Expressive Power of Database Queries with Intermediate Types. In Proceedings of the Seventh ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, March 21-23, 1988, Austin, Texas. pages 39-51, ACM, 1988. [doi]
@inproceedings{HullS88,
title = {On the Expressive Power of Database Queries with Intermediate Types},
author = {Richard Hull and Jianwen Su},
year = {1988},
doi = {10.1145/308386.308409},
url = {http://doi.acm.org/10.1145/308386.308409},
tags = {database},
researchr = {https://researchr.org/publication/HullS88},
cites = {0},
citedby = {0},
pages = {39-51},
booktitle = {Proceedings of the Seventh ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, March 21-23, 1988, Austin, Texas},
publisher = {ACM},
isbn = {0-89791-263-2},
}