@article{Chang_2011,
title={LIBSVM: A library for support vector machines},
volume={2},
ISSN={2157-6912},
url={http://dx.doi.org/10.1145/1961189.1961199},
DOI={10.1145/1961189.1961199},
number={3},
journal={ACM Transactions on Intelligent Systems and Technology},
publisher={Association for Computing Machinery (ACM)},
author={Chang,
Chih-Chung and Lin,
Chih-Jen},
year={2011},
month=apr,
pages={1–27} }