Takafumi Suzuki earned a BA in Literature, and an MA and Ph.D in Interdisciplinary Information Studies from University of Tokyo. After he worked as a project researcher at Digital Content and Media Sciences Research Division, National Institute of Informatics, he is currently a lecturer at Department of Media and Communications, Faculty of Sociology, Toyo University.
Journal of the American Society for Information Science and Technology 60(8) 1596-1606 Aug 2009 [Refereed]
In this study, we extracted speaker specific functional expressions from political speeches using random forests to investigate speakers' political styles. Along with methodological development, stylistics has expanded its scope into new areas of application such as authorship profiling and sentiment analysis in addition to conventional areas such as authorship attribution and genre based text cl...
International Relations of the Asia-Pacific 9(2) 317-338 May 2009 [Refereed]
This study applies content analysis to Japanese prime ministers' Diet addresses in order to examine the Japanese government's perception of the world after World War II. Since the end of the Cold War, many scholars have revealed more strategic and proactive aspects of Japanese foreign policy by investigating broader issues or longer time periods. Methodologically, these studies as well as conve...
Journal of the American Society for Information Science and Technology 60(6) 1159-1167 Jun 2009 [Refereed]
This article analyzes the structure of the hyperlink network formed by the Web pages of Japanese public libraries and its relationship with the network formed by Inter-Library Loans (ILLs), the traditional system of cooperation among public libraries. Our results indicate that (a) the hyperlink network is effectively connected in the sense that each library is reachable from other libraries by ...
YOSHIKANE, Fuyuki, NOZAWA, Takayuki, SHIBUI, Susumu and SUZUKI, Takafumi
Scientometrics 79(2) 435-449 May 2009 [Refereed]
Although many studies have analyzed the “synchronic” correlation of properties between authors and their co-authors, the “diachronic” correlation of properties, i.e., the correlation between their subsequent and precedent activity, has not yet been sufficiently studied using quantitative methods. This study pays attention not only to productivity but also the importance in the collaboration net...
Co-occurrence-based indicators for authorship analysis
Bolasco, S., Chiari, I. and Giuliano, L. (ed.) Statistical Analysis of Textual Data, Proceedings of 10th International Conference Journées d’Analyse statistique des Données Textuelles 9-11 June 2010 - Sapienza University of Rome, Edizioni Universitarie di Jun 2010
Exploratory analysis of stylistic characteristics in Japanese Q&A communities
Bolasco, S., Chiari, I. and Giuliano, L. (ed.) Statistical Analysis of Textual Data, Proceedings of 10th International Conference Journées d’Analyse statistique des Données Textuelles 9-11 June 2010 - Sapienza University of Rome, Edizioni Universitarie di Jun 2010
Extracting author-specific expressions using random forest for use in the sociolinguistic analysis of political speeches
SUZUKI, Takafumi
Digital Humanities Jun 2008
Stylistic analysis of Japanese prime ministers' Diet addresses
SUZUKI, Takafumi and KAGEURA, Kyo
Tokunaga, T. and Ortega, A. (ed.) Large-Scale Knowledge Resources. Construction and Application. Third International Conference on Large-scale Knowledge Resources, LKR2008, Tokyo, Japan, March 3-5, 2008. Proceedings. (poster session), Springer-Verlag, Ber Mar 2008
Exploring the microscopic textual characteristics of Japanese prime ministers' Diet addresses by measuring the quantity and diversity of nouns
SUZUKI, Takafumi and KAGEURA, Kyo
Proceedings of PACLIC21: the 21st Pacific Asia Conference on Language, Information and Computation, 459-470 Nov 2007
Classification of hyperlink networks by multivariate analysis of network indicators: the case of Japanese public libraries
Proceedings of A-LIEP2009: Asia-Pacific Conference on Library & Information Education and Practice, 118-126 Mar 2009
Investigation of the correlation between researchers' properties and productivity through analyzing co-authorship networks
YOSHIKANE, Fuyuki, SUZUKI, Takafumi and TSUJI, Keita
S&TI 2008: 10th International Conference on Science and Technology Indicators: Book of Abstracts (Excellence and Emergence: a New Challenge for the Combination of Quantitative and Qualitative Approaches) (poster session), 425-427 Sep 2008
An analysis of the connection between researchers' productivity and their co-authors' past attributions, including the importance in collaboration networks
YOSHIKANE, Fuyuki, NOZAWA, Takayuki, SHIBUI, Susumu and SUZUKI, Takafumi
ISSI 2007: the 11th International Conference of the International Society for Scientometrics and Informetrics, Vol.2, 783-791 Jun 2007
Investigating macroscopic transitions in Japanese foreign policy after World War II using quantitative text analysis: focusing on references to regional/country names
SUZUKI, Takafumi
The 2009 ISA Annual Convention (poster session) Feb 2009
Foreign perception seen from prime ministers' Diet addresses: focusing on `East-West' and `North-South'
SUZUKI, Takafumi
Ubiquitous Media: Asian Transformations, Theory, Culture & Society 20th Anniversary Conference Jul 2007
Several lexical indices of Japanese prime ministers' two kinds of addresses at the Diet: the case of Nakasone and Koizumi
SUZUKI, Takafumi
Joint Conference of International Political Science Association and Japanese Political Science Association (poster session) Jul 2006
Link structures of Web pages of Japanese public libraries
KAWAMURA, Shuntaro, OTAKE, Yo-hey and SUZUKI, Takafumi (2007)
International Symposium on Dynamical Systems Theory and Its Applications to Biology and Environmental Sciences, 98 Mar 2007
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