Spoken Document Retrieval by Contents Complement and Keyword Expansion Using Subordinate Concept for NTCIR-SpokenDoc.

@inproceedings{kanedera-2013-spoken, author = {Noboru Kanedera}, editor = {Noriko Kando and Tsuneaki Kato}, title = {{Spoken Document Retrieval by Contents Complement and Keyword Expansion Using Subordinate Concept for NTCIR-SpokenDoc}}, booktitle = {{Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013}}, publisher = {National Institute of Informatics (NII)}, year = {2013}, url = {http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings10/pdf/NTCIR/SpokenDoc/10-NTCIR10-SPOKENDOC-KanederaN.pdf} }