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Causality understanding between events is a critical natural language processing task that is helpful in many areas, including health care, business risk management and finance. On close examination, one can find a huge amount of textual…

Computation and Language · Computer Science 2021-02-01 Vivek Khetan , Roshni Ramnani , Mayuresh Anand , Shubhashis Sengupta , Andrew E. Fano

Countless disasters have resulted from climate change, causing severe damage to infrastructure and the economy. These disasters have significant societal impacts, necessitating mental health services for the millions affected. To prepare…

Information Retrieval · Computer Science 2024-08-22 Thomas Hoang , Quynh Anh Nguyen , Long Nguyen

The goal of this project is to create and study novel techniques to identify early warning signals for socially disruptive events, like riots, wars, or revolutions using only publicly available data on social media. Such techniques need to…

Computation and Language · Computer Science 2023-03-10 Vahid Shamsaddini , Henry Kirveslahti , Raphael Reinauer , Wallyson Lemes de Oliveira , Matteo Caorsi , Etienne Voutaz

Online platforms have become an increasingly prominent means of communication. Despite the obvious benefits to the expanded distribution of content, the last decade has resulted in disturbing toxic communication, such as cyberbullying and…

Social and Information Networks · Computer Science 2023-09-04 Amit Sheth , Valerie L. Shalin , Ugur Kursuncu

The behavior and decision making of groups or communities can be dramatically influenced by individuals pushing particular agendas, e.g., to promote or disparage a person or an activity, to call for action, etc.. In the examination of…

Computation and Language · Computer Science 2024-06-13 Gregorios Katsios , Ning Sa , Ankita Bhaumik , Tomek Strzalkowski

Bridging content that brings together individuals with opposing viewpoints on social media remains elusive, overshadowed by echo chambers and toxic exchanges. We propose that algorithmic curation could surface such content by considering…

Social and Information Networks · Computer Science 2025-09-24 Ozgur Can Seckin , Bao Tran Truong , Alessandro Flammini , Filippo Menczer

Extreme weather events driven by climate change, such as wildfires, floods, and heatwaves, prompt significant public reactions on social media platforms. Analyzing the sentiment expressed in these online discussions can offer valuable…

Social and Information Networks · Computer Science 2025-10-14 Pouya Shaeri , Yasaman Mohammadpour , Alimohammad Beigi , Ariane Middel

Satirical news is considered to be entertainment, but it is potentially deceptive and harmful. Despite the embedded genre in the article, not everyone can recognize the satirical cues and therefore believe the news as true news. We observe…

Computation and Language · Computer Science 2017-09-06 Fan Yang , Arjun Mukherjee , Eduard Dragut

Tweet hashtags have the potential to improve the search for information during disaster events. However, there is a large number of disaster-related tweets that do not have any user-provided hashtags. Moreover, only a small number of tweets…

Information Retrieval · Computer Science 2020-01-07 Jishnu Ray Chowdhury , Cornelia Caragea , Doina Caragea

Sarcasm Detection has enjoyed great interest from the research community, however the task of predicting sarcasm in a text remains an elusive problem for machines. Past studies mostly make use of twitter datasets collected using hashtag…

Machine Learning · Computer Science 2022-10-17 Rishabh Misra , Prahal Arora

Due to their often unexpected nature, natural and man-made disasters are difficult to monitor and detect for journalists and disaster management response teams. Journalists are increasingly relying on signals from social media to detect…

Social and Information Networks · Computer Science 2017-09-11 Armineh Nourbakhsh , Quanzhi Li , Xiaomo Liu , Sameena Shah

As public discourse continues to move and grow online, conversations about divisive topics on social media platforms have also increased. These divisive topics prompt both contentious and non-contentious conversations. Although what…

Computation and Language · Computer Science 2022-04-07 Jacob Beel , Tong Xiang , Sandeep Soni , Diyi Yang

Online toxic content has grown into a pervasive phenomenon, intensifying during times of crisis, elections, and social unrest. A significant amount of research has been focused on detecting or analyzing toxic content using machine-learning…

Computation and Language · Computer Science 2025-09-19 Gautam Kishore Shahi , Tim A. Majchrzak

Abusive language detection has become an increasingly important task as a means to tackle this type of harmful content in social media. There has been a substantial body of research developing models for determining if a social media post…

Computation and Language · Computer Science 2025-08-19 Raneem Alharthi , Rajwa Alharthi , Aiqi Jiang , Arkaitz Zubiaga

The rich and dynamic information environment of social media provides researchers, policy makers, and entrepreneurs with opportunities to learn about social phenomena in a timely manner. However, using these data to understand social…

Social and Information Networks · Computer Science 2024-01-15 Siyi Guo , Zihao He , Ashwin Rao , Fred Morstatter , Jeffrey Brantingham , Kristina Lerman

State-sponsored information operations (IOs) increasingly influence global discourse on social media platforms, yet their emotional and rhetorical strategies remain inadequately characterized in scientific literature. This study presents…

Social and Information Networks · Computer Science 2025-07-16 Ashfaq Ali Shafin , Khandaker Mamun Ahmed

This paper explores the pressing issue of risk assessment in Large Language Models (LLMs) as they become increasingly prevalent in various applications. Focusing on how reward models, which are designed to fine-tune pretrained LLMs to align…

Computation and Language · Computer Science 2024-03-25 Bahareh Harandizadeh , Abel Salinas , Fred Morstatter

Suspense is an important tool in storytelling to keep readers engaged and wanting to read more. However, it has so far not been studied extensively in Computational Literary Studies. In this paper, we focus on one of the elements authors…

Computation and Language · Computer Science 2023-05-12 Albin Zehe , Julian Schröter , Andreas Hotho

Identifying user stance related to a political event has several applications, like determination of individual stance, shaping of public opinion, identifying popularity of government measures and many others. The huge volume of political…

Social and Information Networks · Computer Science 2022-01-20 Roshni Chakraborty , Maitry Bhavsar , Sourav Kumar Dandapat , Joydeep Chandra

Indicators of Compromise (IOCs) are artifacts observed on a network or in an operating system that can be utilized to indicate a computer intrusion and detect cyber-attacks in an early stage. Thus, they exert an important role in the field…

Computation and Language · Computer Science 2019-09-30 Zi Long , Lianzhi Tan , Shengping Zhou , Chaoyang He , Xin Liu