All Stories

  1. Semantic temporality analysis: A computational approach to time in English and German texts

    Article • Research & Politics, July 2023, SAGE Publications

    Kohei Watanabe

  2. Seeded Sequential LDA: A Semi-Supervised Algorithm for Topic-Specific Analysis of Sentences

    Article • Social Science Computer Review, May 2023, SAGE Publications

    Kohei Watanabe

  3. Emotional Distress During COVID-19 by Mental Health Conditions and Economic Vulnerability: Retrospective Analysis of Survey-Linked Twitter Data With a Semisupervised Machine Learning Algorithm

    Article • Journal of Medical Internet Research, March 2023, JMIR Publications Inc.

    Kohei Watanabe

  4. Discursive diversion: Manipulation of nuclear threats by the conservative leaders in Japan and Israel

    Article • International Communication Gazette, June 2022, SAGE Publications

    Kohei Watanabe

  5. Could leaders deflect from political scandals? Cross-national experiments on diversionary action in Israel and Japan

    Article • International Interactions, March 2022, Taylor & Francis

    Kohei Watanabe

  6. The Geopolitical Threat Index: A Text-Based Computational Approach to Identifying Foreign Threats

    Article • International Studies Quarterly, May 2021, Oxford University Press (OUP)

    Kohei Watanabe

  7. Latent Semantic Scaling: A Semisupervised Text Analysis Technique for New Domains and Languages

    Article • Communication Methods and Measures, November 2020, Taylor & Francis

    Kohei Watanabe

  8. Theory-Driven Analysis of Large Corpora: Semisupervised Topic Classification of the UN Speeches

    Article • Social Science Computer Review, February 2020, SAGE Publications

    Kohei Watanabe

  9. quanteda: An R package for the quantitative analysis of textual data

    Article • The Journal of Open Source Software, October 2018, The Open Journal

    Kohei Watanabe

  10. ‘Russian Spring’ or ‘Spring Betrayal’? The Media as a Mirror of Putin’s Evolving Strategy in Ukraine

    Article • Europe Asia Studies, November 2017, Taylor & Francis

    Kohei Watanabe

  11. Measuring news bias: Russia’s official news agency ITAR-TASS’ coverage of the Ukraine crisis

    Article • European Journal of Communication, March 2017, SAGE Publications

    Kohei Watanabe

  12. Newsmap

    Article • Digital Journalism, March 2017, Taylor & Francis

    Kohei Watanabe

  13. The spread of the Kremlin’s narratives by a western news agency during the Ukraine crisis

    Article • Journal of International Communication, January 2017, Taylor & Francis

    Kohei Watanabe

  14. The western perspective in Yahoo! News and Google News

    Article • International Communication Gazette, February 2013, SAGE Publications

    Kohei Watanabe