Ronald Fagin, Alan Nash. The structure of inverses in schema mappings. Journal of the ACM, 57(6):31, 2010. [doi]
@article{FaginN10,
title = {The structure of inverses in schema mappings},
author = {Ronald Fagin and Alan Nash},
year = {2010},
doi = {10.1145/1857914.1857915},
url = {http://doi.acm.org/10.1145/1857914.1857915},
tags = {XML, XML Schema},
researchr = {https://researchr.org/publication/FaginN10},
cites = {0},
citedby = {0},
journal = {Journal of the ACM},
volume = {57},
number = {6},
pages = {31},
}