@article{Zhang_2019,
title={Semantic measure of plagiarism using a hierarchical graph model},
volume={121},
ISSN={1588-2861},
url={http://dx.doi.org/10.1007/s11192-019-03204-x},
DOI={10.1007/s11192-019-03204-x},
number={1},
journal={Scientometrics},
publisher={Springer Science and Business Media LLC},
author={Zhang,
Tingting and Lee,
Baozhen and Zhu,
Qinghua},
year={2019},
month=aug,
pages={209–239} }