@inproceedings{JiRuGr06,
title={Re-Ranking Algorithms for Name Tagging},
booktitle={In Proc. Human Language Technology conference - North American chapter of the Association for Computational Linguistics annual meeting (HLT-NAACL) Workshop on Computationally Hard Problems and Joint Inference in Speech and Language Processing}, 
year={2006}, 
author={Heng Ji and Cynthia Rudin and Ralph Grishman}
}