@INPROCEEDINGS {13470,
author={J. Duarte and A. L. N. Fred and F. Jorge Duarte Duarte},
booktitle={International Conf. on Knowledge Discovery and Information Retrieval  - KDIR},
title={Data Clustering Validation using Constraints},
year={2013},
month={September},
volume={1},
pages={17-27} 
}
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