Kohei Tomita, Hiroya Takamura, Manabu Okumura, New Extractive Summarization with Joint of Sentence Extraction and Compression (in Japanese), Information Processing Society of Japan, Special Interest Group on Natural Language Processing (IPSJ-SIGNL), 2009-NL-189, pp.13-20, Jan. 2009. [pdf]
Journal Papers
Ryoso Hamane, Toshiya Itoh, Kouhei Tomita. Approximation Algorithms for the Highway Problem under the Coupon Model, IEICE Trans. on Fundamentals, IEICE, Vol. E92-A, No. 8, pp. 1779-1786, Aug. 2009.
Ryoso Hamane, Toshiya Itoh, Kouhei Tomita. Approximation Preserving Reductions among Item Pricing Problems, IEICE Transactions on Information and Systems, IEICE, Vol. E92.D, No. 2, pp. 149-157, Feb. 2009.
Ryoso Hamane, Toshiya Itoh, Kouhei Tomita. Approximation Algorithms for the Highway Problem under the Coupon Model, arXiv, No. 0712.2629v1, Dec. 2007.
AWARDS & PROFESSIONAL ACTIVITIES
IPSJ Yamashita SIG Research Award at Information Processing Society of Japan, 2009