Shiyu Ji

Overview

I am interested in the intersection of NLP and political polarization. My work spans three main areas:

  1. Understanding polarization in social media discourse and open-ended political text with natural language processing (NLP) tools and LLMs.
  2. Developing NLP tools that support theory-driven research in the social sciences, including tools for detecting persuasion strategies and other forms of political communication.
  3. Conducting human experiments and/or LLM-based simulations to investigate polarization in literature, the spread of misinformation, and the formation of political opinion.

In addition, I have worked on projects such as LLM-based debate system as well as the role of cultural information in such systemssocio-epidemiology and neighborhood segregation. 

My research has appeared in venues such as NAACLFindings of EMNLP, and PLOS One, and my public-facing writing on The Joe Rogan Experience and the book market has been published in Newsweek.

These projects have allowed me to collaborate across disciplines, including Information Science, Literature, Computer Science, Operations Research, and Public Health, for which I am deeply grateful. Outside of academia, I am an a-cappella bass singer and arranger.

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