Elaheh Pourabbas, Maurizio Rafanelli. PQL: An Extended Pictorial Query Language for Querying Geographical Databases Using Positional and OLAP Operators. In Claudia Bauzer Medeiros, editor, ACM-GIS 99, Proceedings of the 7th International Symposium on Advances in Geographic Information Systems, November 2-6, 1999, Kansas City, USA. pages 165-166, ACM, 1999. [doi]
@inproceedings{PourabbasR99:0,
title = {PQL: An Extended Pictorial Query Language for Querying Geographical Databases Using Positional and OLAP Operators},
author = {Elaheh Pourabbas and Maurizio Rafanelli},
year = {1999},
tags = {query language},
researchr = {https://researchr.org/publication/PourabbasR99%3A0},
cites = {0},
citedby = {0},
pages = {165-166},
booktitle = {ACM-GIS 99, Proceedings of the 7th International Symposium on Advances in Geographic Information Systems, November 2-6, 1999, Kansas City, USA},
editor = {Claudia Bauzer Medeiros},
publisher = {ACM},
}