@article{CTT100590444,
  author = {高木 徹 and 藤井 敦 and 石川 徹也},
  title = {検索質問の主題分析に基づく類似文書検索と特許検索への応用},
  journal = {情報処理学会論文誌},
  year = 2005,
}

@inproceedings{CTT100590553,
  author = {Toru Takaki and Atsushi Fujii and Tetsuya Ishikawa},
  title = {Associative Document Retrieval by Query Subtopic Analysis and its Application to Invalidity Patent Search},
  booktitle = {Proceedings of the 13th Conference on Information and Knowledge Management},
  year = 2004,
}

@inproceedings{CTT100590761,
  author = {高木 徹 and 藤井 敦 and 石川 徹也},
  title = {検索質問文書の主題分析に基づく類似文書検索},
  booktitle = {情報処理学会研究報告},
  year = 2004,
}