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The importance of building sentiment analysis tools for Arabic social media has been recognized during the past couple of years, especially with the rapid increase in the number of Arabic social media users. One of the main difficulties in…

计算与语言 · 计算机科学 2017-10-26 Samhaa R. El-Beltagy , Talaat Khalil , Amal Halaby , Muhammad Hammad

In this paper, we introduce Masked Anomaly Detection (MAD), a general self-supervised learning task for multivariate time series anomaly detection. With the increasing availability of sensor data from industrial systems, being able to…

机器学习 · 计算机科学 2022-10-04 Yiwei Fu , Feng Xue

Social scientists are increasingly interested in analyzing the semantic information (e.g., emotion) of unstructured data (e.g., Tweets), where the semantic information is not natively present. Performing this analysis in a cost-efficient…

数据库 · 计算机科学 2025-01-08 Chuxuan Hu , Austin Peters , Daniel Kang

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

Anxiety affects hundreds of millions of individuals globally, yet large-scale screening remains limited. Social media language provides an opportunity for scalable detection, but current models often lack interpretability,…

计算与语言 · 计算机科学 2026-01-21 Arnab Das Utsa

The fast-growing amount of information on the Internet makes the research in automatic document summarization very urgent. It is an effective solution for information overload. Many approaches have been proposed based on different…

计算与语言 · 计算机科学 2018-08-01 Kamal Al-Sabahi , Zuping Zhang , Jun Long , Khaled Alwesabi

Data exploration is an important step of every data science and machine learning project, including those involving textual data. We provide a novel language tool, in the form of a publicly available Python library for extracting patterns…

计算与语言 · 计算机科学 2022-06-20 Piyawat Lertvittayakumjorn , Leshem Choshen , Eyal Shnarch , Francesca Toni

With the rapid evolution of Android applications, traditional machine learning-based detection models suffer from concept drift. Additionally, they are constrained by shallow features, lacking deep semantic understanding and…

密码学与安全 · 计算机科学 2026-04-29 Xueying Zeng , Youquan Xian , Sihao Liu , Xudong Mou , Yanze Li , Lei Cui , Bo Li

KamerRaad is an AI tool that leverages large language models to help citizens interactively engage with Belgian political information. The tool extracts and concisely summarizes key excerpts from parliamentary proceedings, followed by the…

信息检索 · 计算机科学 2024-04-30 Alexander Rogiers , Maarten Buyl , Bo Kang , Tijl De Bie

Social media, especially Twitter, is being increasingly used for research with predictive analytics. In social media studies, natural language processing (NLP) techniques are used in conjunction with expert-based, manual and qualitative…

计算与语言 · 计算机科学 2020-04-03 Yunpeng Zhao , Mattia Prosperi , Tianchen Lyu , Yi Guo , Jiang Bian

In today's globalized world, bridging the cultural divide is more critical than ever for forging meaningful connections. The Socially-Aware Dialogue Assistant System (SADAS) is our answer to this global challenge, and it's designed to…

Organizations increasingly depend on endpoint devices and corporate communication channels, yet they still face critical risks such as sensitive data leakage, suspicious user behavior, and the circulation of hateful or harmful language in…

Recent developments in image classification and natural language processing, coupled with the rapid growth in social media usage, have enabled fundamental advances in detecting breaking events around the world in real-time. Emergency…

机器学习 · 计算机科学 2020-04-13 Mahdi Abavisani , Liwei Wu , Shengli Hu , Joel Tetreault , Alejandro Jaimes

Sarcasm is often expressed through several verbal and non-verbal cues, e.g., a change of tone, overemphasis in a word, a drawn-out syllable, or a straight looking face. Most of the recent work in sarcasm detection has been carried out on…

Hate speech detection is a common downstream application of natural language processing (NLP) in the real world. In spite of the increasing accuracy, current data-driven approaches could easily learn biases from the imbalanced data…

计算与语言 · 计算机科学 2022-09-22 Yi Cai , Arthur Zimek , Gerhard Wunder , Eirini Ntoutsi

The social media platform provides an opportunity to gain valuable insights into user behaviour. Users mimic their internal feelings and emotions in a disinhibited fashion using natural language. Techniques in Natural Language Processing…

计算与语言 · 计算机科学 2019-02-05 Adil Rajput , Samara Ahmed

The social media network phenomenon leads to a massive amount of valuable data that is available online and easy to access. Many users share images, videos, comments, reviews, news and opinions on different social networks sites, with…

计算与语言 · 计算机科学 2017-11-02 Abdulaziz M. Alayba , Vasile Palade , Matthew England , Rahat Iqbal

Hashkat (http://hashkat.org) is a free, open source, agent based simulation software package designed to simulate large-scale online social networks (e.g. Twitter, Facebook, LinkedIn, etc). It allows for dynamic agent generation, edge…

社会与信息网络 · 计算机科学 2017-09-06 Kevin Ryczko , Adam Domurad , Nicholas Buhagiar , Isaac Tamblyn

Social media has shaken the foundations of our society, unlikely as it may seem. Many of the popular tools used to moderate harmful digital content, however, have received widespread criticism from both the academic community and the public…

社会与信息网络 · 计算机科学 2020-10-21 Jiachen Jiang , Soroush Vosoughi

Online harms are a growing problem in digital spaces, putting user safety at risk and reducing trust in social media platforms. One of the most persistent forms of harm is hate speech. To address this, we need tools that combine the speed…

计算与语言 · 计算机科学 2025-09-03 Paloma Piot , Diego Sánchez , Javier Parapar