Toward improvement of SDR accuracy using LDA and query expansion for SpokenDoc.

@inproceedings{hasegawa-2011-toward, author = {Kiichi Hasegawa and Hideki Sekiya and Masanori Takehara and Taro Niinomi and Satoshi Tamura and Satoru Hayamizu}, editor = {Noriko Kando and Daisuke Ishikawa and Miho Sugimoto}, title = {{Toward improvement of SDR accuracy using LDA and query expansion for SpokenDoc}}, booktitle = {{Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011}}, publisher = {National Institute of Informatics (NII)}, year = {2011}, url = {http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings9/NTCIR/06-NTCIR9-SpokenDoc-HasegawaK.pdf} }