Serge Abiteboul, Luc Segoufin, Victor Vianu. Representing and querying XML with incomplete information. ACM Trans. Database Syst., 31(1):208-254, 2006. [doi]
@article{AbiteboulSV06,
title = {Representing and querying XML with incomplete information},
author = {Serge Abiteboul and Luc Segoufin and Victor Vianu},
year = {2006},
doi = {10.1145/1132863.1132869},
url = {http://doi.acm.org/10.1145/1132863.1132869},
tags = {XML, XML Schema},
researchr = {https://researchr.org/publication/AbiteboulSV06},
cites = {0},
citedby = {0},
journal = {ACM Trans. Database Syst.},
volume = {31},
number = {1},
pages = {208-254},
}