※苗字と名前の間にスペースをあけ、入力してください

Takafumi Suzuki

Faculty
Department of Media and Communications
Course of Sociology
PositionProfessor
Mail
HomepageURL
Birthday
Last Updated :2019/04/24

Researcher Profile and Settings

Profile & Settings

    profile:Takafumi Suzuki earned a BA in Literature, and an MA and a 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 an associate professor at Department of Media and Communications, Faculty of Sociology, Toyo University.

Education

  •   2003 04  - 2009 03 , University of Tokyo, Graduate School of Interdisciplinary Information Studies, Doctor Course
  •   2001 04  - 2003 03 , University of Tokyo, Graduate School of Interdisciplinary Information Studies, Master Course
  •   1999 04  - 2001 03 , University of Tokyo, Faculty of Letters, Division of Language and Culture
  •   1997 04  - 1999 03 , University of Tokyo, The College of Arts and Sciences, Humanities and Social Sciences III stream

Degree

  • Ph.D (Interdisciplinary Information Studies)

Academic & Professional Experience

  •   2017 04  - 2018 03 , National Taiwan University, Visiting Scholar
  •   2013 04  - 2019 03 , Department of Media and Communications, Faculty of Sociology, Toyo University, Associate Professor
  •   2010 10  - 2011 03 , University of Tokyo, Part-time Lecturer
  •   2010 04  - 2013 03 , Department of Media and Communications, Faculty of Sociology, Toyo University, Lecturer
  •   2009 04  - 2009 09 , Toyo University, Part-time Lecturer
  •   2009 04  - 2010 03 , Digital Content and Media Sciences Research Division, National Institute of Informatics, Project Researcher
  •   2007 06  - 2009 03 , Research and Development Initiative, Chuo University, Assistant Researcher

Research Activities

Research Areas

  • Informatics, Library and information science/Humanistic social informatics
  • Informatics, Intelligent informatics
  • Informatics, Media informatics/Database
  • Politics, Politics
  • Politics, International relations
  • Linguistics, Linguistics

Research Interests

    Text mining, Text Analysis, Data Science, Digital Humanities, Computational Stylistics, Quantitative Informatics, Quantitative Linguistics, Quantitative Methods in Political Sciences, Bibliometorics, Authorship attribution, Network analysis, Content analysis, Indicators

Published Papers

  • Investigating the Chronological Variation of Popular Song Lyrics Through Lexical Indices , Yuichiro Kobayashi, Misaki Amagasa, Takafumi Suzuki, Journal of the Japanese Association for Digital Humanities, 2, (1) 90 - 107, 09 , Refereed
  • Computational stylistic analysis of popular songs of Japanese female singer-songwriters, SUZUKI, Takafumi, HOSOYA, Mai, Digital Humanities Quarterly, 8, (1) , Refereed
  • Stylistic analysis of text submission to Japanese Q&A communities, SUZUKI, Takafumi, KAWAMURA, Shuntaro and AIZAWA, Akiko, Journal of Quantitative Linguistics, 19, (4) 262 - 280, 10 , Refereed
  • Co-occurrence-based indicators for authorship analysis, SUZUKI, Takafumi, KAWAMURA, Shuntaro, YOSHIKANE, Fuyuki, KAGEURA, Kyo, AIZAWA, Akiko, Literary & Linguistic Computing, 27, (2) 197 - 214, 06 , Refereed
  • Investigating macroscopic transitions in Japanese foreign policy using quantitative text analysis, SUZUKI, Takafumi, International Relations of the Asia-Pacific, 11, (3) 460 - 491, 09 , Refereed
  • Political text analysis using distributional characteristics of nouns, Takafumi Suzuki and Kyo Kageura, 38, (1) 83 - 92, 03 , Refereed
  • Extracting speaker-specific functional expressions from political speeches using random forests in order to investigate speakers' political styles, SUZUKI Takafumi, Journal of the American Society for Information Science and Technology, 60, (8) 1596 - 1606, 08 , Refereed
  • Investigating Japanese government's perceptions of the postwar world as revealed in prime ministers' Diet addresses: focusing on East-West and North-South issues, SUZUKI, Takafumi, International Relations of the Asia-Pacific, 9, (2) 317 - 338, 05 , Refereed
  • Analyzing the content and text of tweets by Japanese academic researchers, ARAKAWA, Yui, YOSHIMOTO, Ryosuke, YOSHIKANE, Fuyuki, SUZUKI, Takafumi, Journal of Japanese Association for Digital Humanities, 1, (1) 1 - 9, Refereed
  • Diversity of fields in patent citations: synchronic and diachronic changes, YOSHIKANE, Fuyuki, SUZUKI, Takafumi, Scientometrics, 98, (3) 1879 - 1897, Refereed
  • Adding Twitter-specific features to stylistic features for classifying tweets by user type and number of retweets, ARAKAWA, Yui, KAMEDA, Akihiro, AIZAWA, Akiko, SUZUKI, Takafumi, Journal of the American Society for Information Science and Technology, 65, (7) 1416 - 1423, Refereed
  • Quantitative characteristics of patentable applications in Japan: an analysis using bibliographic information of application documents, YOSHIKANE, Fuyuki, TAKEI, Chizuko, TSUJI, Keita, IKEUCHI, Atsushi, SUZUKI, Takafumi, Sociology Study, 3, (9) 639 - 650
  • 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, Scientometrics, 79, (2) 435 - 449, 05 , Refereed
  • The structure of hyperlink network formed by the Web pages of Japanese public libraries, KAWAMURA, Shuntaro, OTAKE, Yo-hey, SUZUKI, Takafumi, Journal of the American Society for Information Science and Technology, 60, (6) 1159 - 1167, 06 , Refereed

Conference Activities & Talks

  • Network Structure Analysis of the Articles in the Japanese Civil Code, Ryosuke Yoshimoto, Chizuko Takei, Takafumi Suzuki, Fuyuki Yoshikane, ALEAP 2017,   2017 11
  • Threatening Event, National Identity and Network Dynamics of Motivated Information Communication: Exploring Japanese Twitter during the Rise of Territorial Disputes, April through October 2012, Gento Kato, Takanori Fujiwara, Christian Collet, Tetsuro Kobayashi, Takafumi Suzuki, APSA 2017,   2017 08 31
  • Analyzing differences in literary styles of Japanese boys’ manga using multivariate analyses based on frequency of onomatopoeia and symbol representation, SUZUKI Takafumi, YABIKI Haruka, The International Conference on Japan and Japan Studies,   2016
  • Quantitative analysis of expressions for “praise” and “scold” in the comic strip Sazae-san, SUZUKI Takafumi, ODAGIRI Takuya, The International Conference on Japan and Japan Studies,   2016
  • Iterative application of random forests to extract less frequently used but important features from texts, SUZUKI Takafumi, PACLING2015,   2015 05
  • Comparative analysis of purchasing behavior at physical and online bookstores by university students, SUZUKI Takafumi, MIZUKAMI Maki, The Second Asian Conference on Technology, Information & Society,   2015
  • A comparative analysis of shoppers' information behavior in commercial districts and shopping malls using a questionnaire survey, YOSHIMOTO, Ryosuke, YOSHIKANE, Fuyuki, SUZUKI, Takafumi, stratovarius,   2014 11
  • Analysis of perspectives in contemporary Japanese novels using computational stylistic methods, SUZUKI, Takafumi, YAMASHITA, Natsumi, Digital Humanities 2014,   2014 07
  • Comparative analyses of textual contents and styles of five major Japanese newspapers, SUZUKI, Takafumi, KANOU, Erina, ARAKAWA, Yui, Proceedings of PACLIC27: the 27th Pacific Asia Conference on Language, Information and Computation,   2013 11
  • An investigation on Twitter use of researchers: user type classification and text analysis, ARAKAWA, Yui, YOSHIMOTO, Ryosuke, YOSHIKANE, Fuyuki, SUZUKI Takafumi, JADH2013,   2013 09
  • Exploring quantitative characteristics of patentable applications using random forests., YOSHIKANE, Fuyuki; TAKEI, Chizuko, TSUJI, Keita, IKEUCHI, Atsushi and SUZUKI, Takafumi, Proceedings of ISSI 2013 (14th International Conference of the International Society for Scientometrics and Informetrics) Vol. 1, p. 728-741. (15-19 (16) July, 2013 at University of Vienna, Vienna, Austria),   2013 07
  • Stylistic analysis of tweets that are likely to be shared, ARAKAWA, Yui, KAMEDA, Akihiro, AIZAWA, Akiko, SUZUKI, Takafumi, JADH2012 Conference Abstract: 2nd Symposium of Japanese Association for Digital Humanities, 48,   2012 09
  • Analyzing the characteristics of academic paper categories by using an index of representativeness, SUZUKI, Takafumi, UCHIYAMA, Kiyoko, TOMISAKA, Ryota, AIZAWA, Akiko, Proceedings of PACLIC25: the 25th Pacific Asia Conference on Language, Information and Computation, 587-596,   2011 12
  • A computational stylistic analysis of popular songs made by Japanese female singer-songwriters using kernel PCA and random forests, SUZUKI, Takafumi, Hosoya, Mai, OSDH2011: Osaka Symposium on Digital Humanities,   2011 09
  • Document recommendation using data compression, SUZUKI, Takafumi, HASEGAWA, Shin, HAMAMOTO, Takayuki, AIZAWA, Akiko, Procedia - Social and Behavioral Sciences Volume, Computational Linguistics and Related Fields, 27, 150-159 (Proceedings of PACLING 2011),   2011 07
  • Citation patterns in interdisciplinary research areas, YOSHIKANE, Fuyuki, KIYOKAWA, Asahi, TSUJI, Keita, KAWAMURA, Shuntaro, SUZUKI, Takafumi, ISSI2011: the 13th International Conference of the International Society for Scientometrics and Informetrics,   2011 07
  • How activity of a researcher is influenced by conducting interdisciplinary research, KIYOKAWA, Asahi, YOSHIKANE, Fuyuki, KAWAMURA, Shuntaro, SUZUKI, Takafumi, ISSI2011: the 13th International Conference of the International Society for Scientometrics and Informetrics,   2011 07
  • Co-occurrence-based indicators for investigating authors' styles, SUZUKI, Takafumi, KAWAMURA, Shuntaro, YOSHIKANE, Fuyuki, KAGEURA, Kyo, AIZAWA, Akiko, 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,   2010 06
  • Exploratory analysis of stylistic characteristics in Japanese Q&A communities, SUZUKI, Takafumi, KAWAMURA, Shuntaro, AIZAWA, Akiko, 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,   2010 06
  • Classification of hyperlink networks by multivariate analysis of network indicators: the case of Japanese public libraries, KAWAMURA, Shuntaro, SUZUKI, Takafumi, YOSHIKANE, Fuyuki, ISSI 2009: the 12th International Conference of the International Society for Scientometrics and Informetrics,   2009 07
  • Estimating the Influence of researchers' and their collaborators' performance on their future productivity, YOSHIKANE, Fuyuki, SUZUKI, Takafumi, KAWAMURA, Shuntaro, ISSI 2009: the 12th International Conference of the International Society for Scientometrics and Informetrics (poster session),   2009 07
  • Investigating multi-linguistic information in Japanese university libraries’ Web pages, MATSUBARA, Takayuki, KONDO, Kumiko, SUZUKI, Takafumi, KAWAMURA, Shuntaro, KATSURA, Maniko, Proceedings of A-LIEP2009: Asia-Pacific Conference on Library & Information Education and Practice, 118-126,   2009 03
  • 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),   2009 02
  • 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,   2008 09
  • Extracting author-specific expressions using random forest for use in the sociolinguistic analysis of political speeches, SUZUKI, Takafumi, Digital Humanities,   2008 06
  • 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,   2008 03
  • 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,   2007 11
  • 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,   2007 07
  • 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,   2007 06
  • 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,   2007 03
  • 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),   2006 07
  • Exploring quantitative characteristics of patentable applications using random forests, Fuyuki Yoshikane, Chizuko Takei, Keita Tsuji, Atsushi Ikeuchi and Takafumi Suzuki, ISSI 2013: the 14th International Conference of the International Society for Scientometrics and Informetrics

Awards & Honors

  •   2008 , Association for Literary and Linguistic Computing, Bursary Award

Research Grants & Projects

  • Japanese political text analysis using natural language processing techniques, co-investigator, Mitsubishi Grant, TANAKA Akihiko
  • A study of effects between researchers by collaboration network analysis, cooperator (representative, Japanese Ministry of Education, Culture, Science and Technology, Grant-in-Aid for Scientific Research (C), YOSHIKANE Fuyuki
  • Discourse Analysis on International relations in East-Asian Region, co-investigator, Suntory Foundation, Grants for Humanities and Social Sciences, HYUN Daeson

Educational Activities

Teaching Experience

  • Knowledge Information Processing, Toyo Univeristy
  • Computer Programming, Toyo University
  • Informetrics, Toyo University
  • Knowledge Distribution , Toyo University
  • Information Systems, Toyo University
  • Information Analysis, Toyo University
  • Information Management: Lecture and Practice, Toyo University
  • Information Design: Lecture and Practice, Toyo University
  • Seminar on Media Communication Studies III, Toyo University
  • Seminar on Media Communication Studies II, Toyo University
  • Seminar on Media Communication Studies I, Toyo UNiversity
  • Basic Seminar on Media Communication Studies, Toyo University
  • Seminar on Sociology III, Toyo University
  • Introduction to Asian Studies: History and International Relations, University of Tokyo