@InProceedings{ramakrishnan-balakrishnan-joshi:2006:EMNLP,
  author    = {Ramakrishnan, Ganesh  and  Balakrishnan, Sreeram  and  Joshi, Sachindra},
  title     = {Entity Annotation based on Inverse Index Operations},
  booktitle = {Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  pages     = {492--500},
  url       = {http://www.aclweb.org/anthology/W/W06/W06-1658}
}