Wim Martens, Joachim Niehren. On the minimization of XML Schemas and tree automata for unranked trees. J. Comput. Syst. Sci., 73(4):550-583, 2007. [doi]
@article{MartensN07a,
title = {On the minimization of XML Schemas and tree automata for unranked trees},
author = {Wim Martens and Joachim Niehren},
year = {2007},
doi = {10.1016/j.jcss.2006.10.021},
url = {http://dx.doi.org/10.1016/j.jcss.2006.10.021},
tags = {XML, XML Schema},
researchr = {https://researchr.org/publication/MartensN07a},
cites = {0},
citedby = {0},
journal = {J. Comput. Syst. Sci.},
volume = {73},
number = {4},
pages = {550-583},
}