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The original goal of any social media platform is to facilitate users to indulge in healthy and meaningful conversations. But more often than not, it has been found that it becomes an avenue for wanton attacks. We want to alleviate this…

计算与语言 · 计算机科学 2020-01-31 Tuhin Chakrabarty , Kilol Gupta

Illegal marketplaces have increasingly shifted to concealed parts of the internet, including the deep and dark web, as well as platforms such as Telegram, Reddit, and Pastebin. These channels enable the anonymous trade of illicit goods…

Objective: The objective of this study is to develop a deep learning pipeline to detect signals on dietary supplement-related adverse events (DS AEs) from Twitter. Material and Methods: We obtained 247,807 tweets ranging from 2012 to 2018…

计算与语言 · 计算机科学 2021-06-23 Yefeng Wang , Yunpeng Zhao , Jiang Bian , Rui Zhang

Maintaining the integrity of long-term data collection is an essential scientific practice. As a field evolves, so too will that field's measurement instruments and data storage systems, as they are invented, improved upon, and made…

Recently, online social media has become a primary source for new information and misinformation or rumours. In the absence of an automatic rumour detection system the propagation of rumours has increased manifold leading to serious…

计算与语言 · 计算机科学 2022-12-21 Shaswat Patel , Prince Bansal , Preeti Kaur

Automatic identification of hateful and abusive content is vital in combating the spread of harmful online content and its damaging effects. Most existing works evaluate models by examining the generalization error on train-test splits on…

计算与语言 · 计算机科学 2025-04-07 Lanqin Yuan , Marian-Andrei Rizoiu

It is a challenging and complex task to acquire information from different regions of a disaster-affected area in a timely fashion. The extensive spread and reach of social media and networks allow people to share information in real-time.…

社会与信息网络 · 计算机科学 2019-08-06 Md. Yasin Kabir , Sanjay Madria

Data imbalance is ubiquitous when applying machine learning to real-world problems, particularly regression problems. If training data are imbalanced, the learning is dominated by the densely covered regions of the target distribution and…

机器学习 · 计算机科学 2024-10-29 Yuchang Jiang , Vivien Sainte Fare Garnot , Konrad Schindler , Jan Dirk Wegner

During broadcast events such as the Superbowl, the U.S. Presidential and Primary debates, etc., Twitter has become the de facto platform for crowds to share perspectives and commentaries about them. Given an event and an associated…

社会与信息网络 · 计算机科学 2012-12-24 Yuheng Hu , Ajita John , Fei Wang , Subbarao Kambhampati

Text classification is a popular topic of natural language processing, which has currently attracted numerous research efforts worldwide. The significant increase of data in social media requires the vast attention of researchers to analyze…

计算与语言 · 计算机科学 2020-09-30 Huy Duc Huynh , Hang Thi-Thuy Do , Kiet Van Nguyen , Ngan Luu-Thuy Nguyen

We present a study of the relationship between gender, linguistic style, and social networks, using a novel corpus of 14,000 Twitter users. Prior quantitative work on gender often treats this social variable as a female/male binary; we…

计算与语言 · 计算机科学 2014-05-13 David Bamman , Jacob Eisenstein , Tyler Schnoebelen

Text sentiment analysis for preliminary depression status estimation of users on social media is a widely exercised and feasible method, However, the immense variety of users accessing the social media websites and their ample mix of…

计算与语言 · 计算机科学 2020-12-01 Sudhir Kumar Suman , Hrithwik Shalu , Lakshya A Agrawal , Archit Agrawal , Juned Kadiwala

Depression is a significant issue nowadays. As per the World Health Organization (WHO), in 2023, over 280 million individuals are grappling with depression. This is a huge number; if not taken seriously, these numbers will increase rapidly.…

计算与语言 · 计算机科学 2024-04-23 Muhammad Osama Nusrat , Waseem Shahzad , Saad Ahmed Jamal

Tradition tweet classification models for crisis response focus on convolutional layers and domain-specific word embeddings. In this paper, we study the application of different neural networks with general-purpose and domain-specific word…

计算与语言 · 计算机科学 2019-03-27 Reem ALRashdi , Simon O'Keefe

Toxic online speech has become a crucial problem nowadays due to an exponential increase in the use of internet by people from different cultures and educational backgrounds. Differentiating if a text message belongs to hate speech and…

计算与语言 · 计算机科学 2021-08-24 Bencheng Wei , Jason Li , Ajay Gupta , Hafiza Umair , Atsu Vovor , Natalie Durzynski

Gang-involved youth in cities such as Chicago sometimes post on social media to express their aggression towards rival gangs and previous research has demonstrated that a deep learning approach can predict aggression and loss in posts. To…

计算与语言 · 计算机科学 2019-10-24 Ruiqi Zhong , Yanda Chen , Desmond Patton , Charlotte Selous , Kathy McKeown

The digital age has expanded social media and online forums, allowing free expression for nearly 45% of the global population. Yet, it has also fueled online harassment, bullying, and harmful behaviors like hate speech and toxic comments…

计算与语言 · 计算机科学 2026-03-12 Vuong M. Ngo , Cach N. Dang , Kien V. Nguyen , Mark Roantree

Ensemble models often achieve higher accuracy than single learners, but their ability to maintain small generalization gaps is not always well understood. This study examines how ensembles balance accuracy and overfitting across four…

机器学习 · 计算机科学 2025-12-08 Zubair Ahmed Mohammad

The dramatic increase in the use of social media platforms for information sharing has also fueled a steep growth in online abuse. A simple yet effective way of abusing individuals or communities is by creating memes, which often integrate…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Mithun Das , Animesh Mukherjee

An important part of the information gathering and data analysis is to find out what people think about, either a product or an entity. Twitter is an opinion rich social networking site. The posts or tweets from this data can be used for…

信息检索 · 计算机科学 2024-09-05 Dwarampudi Mahidhar Reddy , N V Subba Reddy , N V Subba Reddy