@article{shibata_tomiura_nishiguchi_2009, 
  title={Method for Selecting Appropriate Sentence from Documents on the WWW for the Open-ended Conversation Dialog System}, 
  volume={24}, 
  DOI={10.1527/tjsai.24.507}, 
  publisher={Japanese Society for Artificial Intelligence}, 
  author={Shibata and Tomiura and Nishiguchi}, 
  year={2009}
  }