Search Results for author: Haewoon Kwak

Found 21 papers, 7 papers with code

Token-Ensemble Text Generation: On Attacking the Automatic AI-Generated Text Detection

no code implementations17 Feb 2024 Fan Huang, Haewoon Kwak, Jisun An

The robustness of AI-content detection models against cultivated attacks (e. g., paraphrasing or word switching) remains a significant concern.

Text Detection Text Generation

Can we trust the evaluation on ChatGPT?

no code implementations22 Mar 2023 Rachith Aiyappa, Jisun An, Haewoon Kwak, Yong-Yeol Ahn

ChatGPT, the first large language model (LLM) with mass adoption, has demonstrated remarkable performance in numerous natural language tasks.

Language Modelling Large Language Model +2

Wearing Masks Implies Refuting Trump?: Towards Target-specific User Stance Prediction across Events in COVID-19 and US Election 2020

1 code implementation21 Mar 2023 Hong Zhang, Haewoon Kwak, Wei Gao, Jisun An

People who share similar opinions towards controversial topics could form an echo chamber and may share similar political views toward other topics as well.

Stance Detection

Chain of Explanation: New Prompting Method to Generate Higher Quality Natural Language Explanation for Implicit Hate Speech

no code implementations11 Sep 2022 Fan Huang, Haewoon Kwak, Jisun An

Recent studies have exploited advanced generative language models to generate Natural Language Explanations (NLE) for why a certain text could be hateful.

Informativeness Text Generation

Understanding Toxicity Triggers on Reddit in the Context of Singapore

no code implementations19 Apr 2022 Yun Yu Chong, Haewoon Kwak

While the contagious nature of online toxicity sparked increasing interest in its early detection and prevention, most of the literature focuses on the Western world.

A Survey on Predicting the Factuality and the Bias of News Media

no code implementations16 Mar 2021 Preslav Nakov, Husrev Taha Sencar, Jisun An, Haewoon Kwak

The present level of proliferation of fake, biased, and propagandistic content online has made it impossible to fact-check every single suspicious claim or article, either manually or automatically.

Bias Detection Fact Checking +1

How-to Present News on Social Media: A Causal Analysis of Editing News Headlines for Boosting User Engagement

1 code implementation17 Sep 2020 Kunwoo Park, Haewoon Kwak, Jisun An, Sanjay Chawla

To reach a broader audience and optimize traffic toward news articles, media outlets commonly run social media accounts and share their content with a short text summary.

Causal Inference counterfactual

A Systematic Media Frame Analysis of 1.5 Million New York Times Articles from 2000 to 2017

no code implementations4 May 2020 Haewoon Kwak, Jisun An, Yong-Yeol Ahn

By examining the ebb and flow of media frames over almost two decades, we show that short-term frame abundance fluctuation closely corresponds to major events, while there also exist several long-term trends, such as the gradually increasing prevalence of the ``Cultural identity'' frame.

"Trust me, I have a Ph.D.": A Propensity Score Analysis on the Halo Effect of Disclosing One's Offline Social Status in Online Communities

no code implementations31 Mar 2020 Kunwoo Park, Haewoon Kwak, Hyunho Song, Meeyoung Cha

The results show that exposing academic degrees is likely to lead to higher audience votes as well as larger discussion size, compared to the users without the disclosed identities, in a community that covers peer-reviewed scientific articles.

Social and Information Networks

FrameAxis: Characterizing Microframe Bias and Intensity with Word Embedding

1 code implementation20 Feb 2020 Haewoon Kwak, Jisun An, Elise Jing, Yong-Yeol Ahn

{Here, we propose FrameAxis, a method for characterizing documents by identifying the most relevant semantic axes ("microframes") that are overrepresented in the text using word embedding.

Political Discussions in Homogeneous and Cross-Cutting Communication Spaces

no code implementations11 Apr 2019 Jisun An, Haewoon Kwak, Oliver Posegga, Andreas Jungherr

While research on political talk in online environments abounds, we know surprisingly little about the potentially varying nature of discussions in politically homogeneous spaces as compared to cross-cutting communication spaces.

SemAxis: A Lightweight Framework to Characterize Domain-Specific Word Semantics Beyond Sentiment

1 code implementation ACL 2018 Jisun An, Haewoon Kwak, Yong-Yeol Ahn

Because word semantics can substantially change across communities and contexts, capturing domain-specific word semantics is an important challenge.

Breaking the News: First Impressions Matter on Online News

no code implementations26 Mar 2015 Julio Reis, Fabricio Benevenuto, Pedro O. S. Vaz de Melo, Raquel Prates, Haewoon Kwak, Jisun An

In order to discover strategies that could be used to attract clicks, we extracted features from the text of the news headlines related to the sentiment polarity of the headline.

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