Hiroya TAKAMURA
Contact
Information

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R2-728, Tokyo Institute of Technology,
4259 Nagatsuta Midori-ku Yokohama+81-45-924-5295+81-45-924-5295
takamura@pi.titech.ac.jp
http://www.lr.pi.titech.ac.jp/˜takamura/index.html

ResearchInterests

application of machine learning to computational linguistics, sentiment analysis of text, text summarization

Education

2000–2003, Nara Institute of Science and Technology, JAPANDepartment of Information Processing
Doctor of Engineering, March, 2003
Thesis title: Clustering Approaches to Text Categorization
Supervisor: Yuji Matsumoto
1999, Technical University of Vienna, AUSTRIA
Department of Informatics
Research StudentMajor Contribution: Development of Example Sentence Collection SystemSupervisor: Wolfgang Slany
1997–2000, University of Tokyo, JAPANDepartment of Mathematical Engineering
Master of Engineering, March, 2000
Thesis title: Quantiﬁcation of Syntactic Information and its Application to Language Comparison
Supervisor: Kokichi Sugihara
1993–1997, University of Tokyo, JAPANDepartment of Mathematical Engineering
Bachelor of Engineering, March, 1997
Thesis title: The Optimal Search using Two Types of ResourcesSupervisor: Tomomi Matsui

Employment

May 2010–, Tokyo Institute of Technology, JAPAN
Associate Professor
April 2003–, Tokyo Institute of Technology, JAPANAssistant Professor
November 2002–March 2003, Nara Institute of Science and Technology, JAPANCOE Researcher (goverment fund)August 2001–November 2001, Microsoft Research Asia, China
Visiting Student (intern)
October 2000–October 2002, Nara Institute of Science and Technology, JAPANResearch/Teaching AssistantSelectedPublications

Hajime Morita, Ryohei Sasano, Hiroya Takamura and Manabu Okumura, ”Subtree Extractive Summarization via Submodular Maximization”, In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL2013), pages 1023–1032, August 2013.
Hiroya Takamura and Manabu Okumura, ”Summarizing a document stream”, In Proceedings of the33rd European Conference on Information Retrieval (ECIR 2011), pages 177–188, April 2011.
Zhikov Valentin, Hiroya Takamura and Manabu Okumura, ”An Eﬃcient Algorithm for Unsupervised Word Segmentation with Branching Entropy and MDL”, In Proceedings of the Conference on
Empirical Methods in Natural Language Processing (EMNLP 2010), pp. 832–842, October 2010.
Hiroya Takamura and Manabu Okumura, ”Text Summarization Model based on the Budgeted Median Problem”, In Proceedings of the 18th ACM Conference on Information and Knowledge Management (CIKM 2009), short paper, pages 1589–1592, November 2009.
Hiroya Takamura, Manabu Okumura, ”Text Summarization Model based on Maximum Coverage
Problem and its Variant”, In Proceedings of the 14th Conference of the European Chapter of theAssociation for Computational Linguistics (EACL2009), pages 781–789, March 2009.
Hiroya Takamura, Takashi Inui and Manabu Okumura, ”Extracting Semantic Orientations of Phrases
from Dictionary”, In Proceedings of the Human Language Technologies: The Annual Conference ofthe North American Chapter of the Association for Computational Linguistics (NAACL-HLT2007).
Hiroya Takamura, Takashi Inui, Manabu Okumura, ”Latent Variable Models for Semantic Orientations of Phrases”, In Proceedings of the 11th Conference of the European Chapter of the Associationfor Computational Linguistics (EACL2006), pages 201–208, 2006.
Hiroya Takamura, Takashi Inui, Manabu Okumura, ”Extracting Semantic Orientations of Words
using Spin Model”, In Proceedings of the 43rd Annual Meeting of the Association for ComputationalLinguistics (ACL2005), pages 133–140, 2005.

Language Skills• Japanese: native speaker• English: excellent (TOEIC score, 960)
• German: good (Diplom Deutsch in Japan, Oberstufenprüfung)