@InProceedings{patwardhan-riloff:2007:EMNLP-CoNLL2007,
  author    = {Patwardhan, Siddharth  and  Riloff, Ellen},
  title     = {Effective Information Extraction with Semantic Affinity Patterns and Relevant Regions},
  booktitle = {Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL)},
  pages     = {717--727},
  url       = {http://www.aclweb.org/anthology/D/D07/D07-1075}
}