@InProceedings{lehnert-EtAl:1993:TIPSTER93,
  author    = {W. Lehnert  and  J. McCarthy  and  S. Soderland  and  E. Riloff  and  C. Cardie  and  J. Peterson  and  F. Feng},
  title     = {UMASS/HUGHES: DESCRIPTION OF THE CIRCUS SYSTEM USED FOR TIPSTER TEXT},
  booktitle = {Proceedings of the TIPSTER Text Program: Phase I},
  month     = {September},
  year      = {1993},
  address   = {Fredericksburg, Virginia, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {241--256},
  url       = {http://www.aclweb.org/anthology/X93-1022},
  doi       = {10.3115/1119149.1119174}
}