Koichi Tsujii, Yoshikatsu Fujita, Kazuhiko Tsuda. The Extraction Method of the Service Improvement Information from Guests' Review. In Junzo Watada, Lakhmi C. Jain, Robert J. Howlett, Naoto Mukai, Koichi Asakura, editors, 17th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2013, Kitakyushu, Japan, 9-11 September 2013. Volume 22 of Procedia Computer Science, pages 1303-1310, Elsevier, 2013. [doi]
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