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Twitter is a well-known microblogging social site where users express their views and opinions in real-time. As a result, tweets tend to contain valuable information. With the advancements of deep learning in the domain of natural language…

计算与语言 · 计算机科学 2020-10-22 Mohiuddin Md Abdul Qudar , Vijay Mago

Sentiment analysis is an important task in understanding social media content like customer reviews, Twitter and Facebook feeds etc. In multilingual communities around the world, a large amount of social media text is characterized by the…

计算与语言 · 计算机科学 2021-10-04 Akshat Gupta , Sargam Menghani , Sai Krishna Rallabandi , Alan W Black

Research shows that exposure to suicide-related news media content is associated with suicide rates, with some content characteristics likely having harmful and others potentially protective effects. Although good evidence exists for a few…

计算与语言 · 计算机科学 2022-06-29 Hannah Metzler , Hubert Baginski , Thomas Niederkrotenthaler , David Garcia

Social media posts are frequently identified as a valuable source of open-source intelligence for disaster response, and pre-LLM NLP techniques have been evaluated on datasets of crisis tweets. We assess three commercial large language…

计算与语言 · 计算机科学 2025-08-29 Emma McDaniel , Samuel Scheele , Jeff Liu

Generated hateful and toxic content by a portion of users in social media is a rising phenomenon that motivated researchers to dedicate substantial efforts to the challenging direction of hateful content identification. We not only need an…

社会与信息网络 · 计算机科学 2019-10-29 Marzieh Mozafari , Reza Farahbakhsh , Noel Crespi

As the prevalence of mental health crises increases on social media platforms, identifying and preventing potential harm has become an urgent challenge. This study introduces a large language model (LLM)-based text transfer recognition…

计算与语言 · 计算机科学 2025-04-15 Shurui Wu , Xinyi Huang , Dingxin Lu

The Incident streams (IS) track is a research challenge aimed at finding important information from social media during crises for emergency response purposes. More specifically, given a stream of crisis-related tweets, the IS challenge…

计算与语言 · 计算机科学 2021-03-01 Congcong Wang , David Lillis

Advances in social media data dissemination enable the provision of real-time information during a crisis. The information comes from different classes, such as infrastructure damages, persons missing or stranded in the affected zone, etc.…

计算与语言 · 计算机科学 2026-03-20 Thi Huyen Nguyen , Koustav Rudra , Wolfgang Nejdl

Filtering and annotating textual data are routine tasks in many areas, like social media or news analytics. Automating these tasks allows to scale the analyses wrt. speed and breadth of content covered and decreases the manual effort…

计算与语言 · 计算机科学 2024-06-27 Simon Münker , Kai Kugler , Achim Rettinger

With the evolution of the cloud and customer centric culture, we inherently accumulate huge repositories of textual reviews, feedback, and support data.This has driven enterprises to seek and research engagement patterns, user network…

机器学习 · 计算机科学 2020-07-23 Xin Deng , Ross Smith , Genevieve Quintin

Effective disaster response is critical for affected communities. Responders and decision-makers would benefit from reliable, timely measures of the issues impacting their communities during a disaster, and social media offers a potentially…

社会与信息网络 · 计算机科学 2024-01-11 Zihui Ma , Lingyao Li , Libby Hemphill , Gregory B. Baecher , Yubai Yuan

Language use changes over time, and this impacts the effectiveness of NLP systems. This phenomenon is even more prevalent in social media data during crisis events where meaning and frequency of word usage may change over the course of…

计算与语言 · 计算机科学 2022-11-10 Aniket Pramanick , Tilman Beck , Kevin Stowe , Iryna Gurevych

This study examines machine learning methods used in crisis management. Analyzing detected patterns from a crisis involves the collection and evaluation of historical or near-real-time datasets through automated means. This paper utilized…

机器学习 · 计算机科学 2025-02-11 Izunna Okpala , Shane Halse , Jess Kropczynski

Social media platforms like Twitter have increasingly relied on Natural Language Processing NLP techniques to analyze and understand the sentiments expressed in the user generated content. One such state of the art NLP model is…

计算与语言 · 计算机科学 2025-04-03 Akil Raj Subedi , Taniya Shah , Aswani Kumar Cherukuri , Thanos Vasilakos

In recent years, social media has emerged as a primary channel for users to promptly share feedback and issues during disasters and emergencies, playing a key role in crisis management. While significant progress has been made in collecting…

计算与语言 · 计算机科学 2025-04-18 Loris Belcastro , Cristian Cosentino , Fabrizio Marozzo , Merve Gündüz-Cüre , Sule Öztürk-Birim

Recent studies on domain-specific BERT models show that effectiveness on downstream tasks can be improved when models are pretrained on in-domain data. Often, the pretraining data used in these models are selected based on their subject…

计算与语言 · 计算机科学 2020-10-06 Xiang Dai , Sarvnaz Karimi , Ben Hachey , Cecile Paris

Semi-supervised learning approaches have been investigated as a means to enhance the analysis of social media data in disaster management contexts. In this work, we present the first empirical evaluation of large language model (LLM) guided…

Sentiment analysis is a crucial task in natural language processing (NLP) that enables the extraction of meaningful insights from textual data, particularly from dynamic platforms like Twitter and IMDB. This study explores a hybrid…

计算与语言 · 计算机科学 2026-03-02 Aish Albladi , Md Kaosar Uddin , Minarul Islam , Cheryl Seals

Social media has quickly grown into an essential tool for people to communicate and express their needs during crisis events. Prior work in analyzing social media data for crisis management has focused primarily on automatically identifying…

社会与信息网络 · 计算机科学 2020-07-24 Swati Padhee , Tanay Kumar Saha , Joel Tetreault , Alejandro Jaimes

Answering questions is a primary goal of many conversational systems or search products. While most current systems have focused on answering questions against structured databases or curated knowledge graphs, on-line community forums or…

计算与语言 · 计算机科学 2019-11-11 Alexandre Rochette , Yadollah Yaghoobzadeh , Timothy J. Hazen