@inproceedings{Chen:2003:PATENT,
  author = {Chen, Liang  and  Tokuda, Naoyuki  and  Adachi, Hisahiro},
  title  = {A Patent Document Retrieval System Addressing Both Semantic and Syntactic Properties},
  booktitle = {Proceedings of the ACL-2003 Workshop on Patent Corpus Processing},
  editor = {Makoto Iwayama and Atsushi Fujii},
  url    = {http://www.aclweb.org/anthology/W03-2001.pdf},
  year   = 2003,
  pages  = {1--6}
}