Search Results for author: Jisun An

Found 24 papers, 9 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

Improving Real Estate Appraisal with POI Integration and Areal Embedding

no code implementations20 Nov 2023 Sumin Han, Youngjun Park, Sonia Sabir, Jisun An, Dongman Lee

Despite advancements in real estate appraisal methods, this study primarily focuses on two pivotal challenges.

feature selection Spatial Interpolation

Enhancing Stance Classification with Quantified Moral Foundations

no code implementations15 Oct 2023 Hong Zhang, Prasanta Bhattacharya, Wei Gao, Liang Ze Wong, Brandon Siyuan Loh, Joseph J. P. Simons, Jisun An

The results highlight the importance of considering deeper psychological attributes in stance analysis and underscores the role of moral foundations in guiding online social behavior.

Classification Stance Classification +1

Enhancing Spatiotemporal Traffic Prediction through Urban Human Activity Analysis

1 code implementation20 Aug 2023 Sumin Han, Youngjun Park, Minji Lee, Jisun An, Dongman Lee

Traffic prediction is one of the key elements to ensure the safety and convenience of citizens.

Traffic Prediction

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

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.

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.

Going beyond accuracy: estimating homophily in social networks using predictions

1 code implementation30 Jan 2020 George Berry, Antonio Sirianni, Ingmar Weber, Jisun An, Michael Macy

While this paper focuses on homophily, results generalize to other relational measures which aggregate predictions along the dyads in a network.

General Classification

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.

Recommending Investors for Crowdfunding Projects

no code implementations26 Sep 2014 Jisun An, Daniele Quercia, Jon Crowcroft

Nowadays, they have an additional option: that of crowdfunding.

Cannot find the paper you are looking for? You can Submit a new open access paper.