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Preventing organizations from Cyber exploits needs timely intelligence about Cyber vulnerabilities and attacks, referred as threats. Cyber threat intelligence can be extracted from various sources including social media platforms where…

密码学与安全 · 计算机科学 2019-09-06 Ba Dung Le , Guanhua Wang , Mehwish Nasim , Ali Babar

To be prepared against cyberattacks, most organizations resort to security information and event management systems to monitor their infrastructures. These systems depend on the timeliness and relevance of the latest updates, patches and…

机器学习 · 计算机科学 2019-04-03 Nuno Dionísio , Fernando Alves , Pedro M. Ferreira , Alysson Bessani

Breaking cybersecurity events are shared across a range of websites, including security blogs (FireEye, Kaspersky, etc.), in addition to social media platforms such as Facebook and Twitter. In this paper, we investigate methods to analyze…

计算与语言 · 计算机科学 2019-05-06 Shi Zong , Alan Ritter , Graham Mueller , Evan Wright

The role of social media, in particular microblogging platforms such as Twitter, as a conduit for actionable and tactical information during disasters is increasingly acknowledged. However, time-critical analysis of big crisis data on…

计算与语言 · 计算机科学 2016-08-16 Dat Tien Nguyen , Kamela Ali Al Mannai , Shafiq Joty , Hassan Sajjad , Muhammad Imran , Prasenjit Mitra

Social media such as Twitter provide valuable information to crisis managers and affected people during natural disasters. Machine learning can help structure and extract information from the large volume of messages shared during a crisis;…

计算与语言 · 计算机科学 2021-03-23 Mikael Brunila , Rosie Zhao , Andrei Mircea , Sam Lumley , Renee Sieber

The rapid increase in cybersecurity vulnerabilities necessitates automated tools for analyzing and classifying vulnerability reports. This paper presents a novel Vulnerability Report Classifier that leverages the BERT (Bidirectional Encoder…

密码学与安全 · 计算机科学 2025-03-28 Himanshu Tiwari

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

We propose a comprehensive end-to-end pipeline for Twitter hashtags recommendation system including data collection, supervised training setting and zero shot training setting. In the supervised training setting, we have proposed and…

信息检索 · 计算机科学 2019-06-13 Abhay Kumar , Nishant Jain , Suraj Tripathi , Chirag Singh

The shared real-time information about natural disasters on social media platforms like Twitter and Facebook plays a critical role in informing volunteers, emergency managers, and response organizations. However, supervised learning models…

计算与语言 · 计算机科学 2023-10-24 Henry Peng Zou , Yue Zhou , Cornelia Caragea , Doina Caragea

During the onset of a disaster event, filtering relevant information from the social web data is challenging due to its sparse availability and practical limitations in labeling datasets of an ongoing crisis. In this paper, we hypothesize…

计算与语言 · 计算机科学 2020-10-22 Jitin Krishnan , Hemant Purohit , Huzefa Rangwala

During time-critical situations such as natural disasters, rapid classification of data posted on social networks by affected people is useful for humanitarian organizations to gain situational awareness and to plan response efforts.…

计算机与社会 · 计算机科学 2018-05-17 Firoj Alam , Shafiq Joty , Muhammad Imran

Patch prioritization is a crucial aspect of information systems security, and knowledge of which vulnerabilities were exploited in the wild is a powerful tool to help systems administrators accomplish this task. The analysis of social media…

密码学与安全 · 计算机科学 2020-11-09 Daniel Alves de Sousa , Elaine Ribeiro de Faria , Rodrigo Sanches Miani

Most existing techniques for spam detection on Twitter aim to identify and block users who post spam tweets. In this paper, we propose a Semi-Supervised Spam Detection (S3D) framework for spam detection at tweet-level. The proposed…

信息检索 · 计算机科学 2018-12-27 Surendra Sedhai , Aixin Sun

The COVID-19 pandemic has had adverse effects on both physical and mental health. During this pandemic, numerous studies have focused on gaining insights into health-related perspectives from social media. In this study, our primary…

机器学习 · 计算机科学 2024-12-02 Mahathir Mohammad Bishal , Md. Rakibul Hassan Chowdory , Anik Das , Muhammad Ashad Kabir

We present a highly effective unsupervised framework for detecting the stance of prolific Twitter users with respect to controversial topics. In particular, we use dimensionality reduction to project users onto a low-dimensional space,…

社会与信息网络 · 计算机科学 2020-05-22 Kareem Darwish , Peter Stefanov , Michaël Aupetit , Preslav Nakov

Receiving timely and relevant security information is crucial for maintaining a high-security level on an IT infrastructure. This information can be extracted from Open Source Intelligence published daily by users, security organisations,…

密码学与安全 · 计算机科学 2019-04-04 Fernando Alves , Aurélien Bettini , Pedro M. Ferreira , Alysson Bessani

The identification of spam messages on social networks is a very challenging task. Social media sites like Twitter \& Facebook attracts a lot of users and companies to advertise and attract users of personal gains. These advertisements most…

社会与信息网络 · 计算机科学 2020-10-27 Prakamya Mishra

We tackle the challenge of topic classification of tweets in the context of analyzing a large collection of curated streams by news outlets and other organizations to deliver relevant content to users. Our approach is novel in applying…

信息检索 · 计算机科学 2017-04-25 Salman Mohammed , Nimesh Ghelani , Jimmy Lin

Offensive language is pervasive in social media. Individuals frequently take advantage of the perceived anonymity of computer-mediated communication, using this to engage in behavior that many of them would not consider in real life. The…

计算与语言 · 计算机科学 2021-04-13 Nikhil Oswal

Cyberbullying is a prevalent and growing social problem due to the surge of social media technology usage. Minorities, women, and adolescents are among the common victims of cyberbullying. Despite the advancement of NLP technologies, the…

计算与语言 · 计算机科学 2020-12-07 Thushari Atapattu , Mahen Herath , Georgia Zhang , Katrina Falkner
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