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In this paper we propose a novel approach for Twitter traffic analysis based on renewal theory. Even though twitter datasets are of increasing interest to researchers, extracting information from message timing remains somewhat unexplored.…

Computers and Society · Computer Science 2012-04-19 Javier Esteban , Antonio Ortega , Sean McPherson , Maheswaran Sathiamoorthy

The rapid evolution of the COVID-19 pandemic has underscored the need to quickly disseminate the latest clinical knowledge during a public-health emergency. One surprisingly effective platform for healthcare professionals (HCPs) to share…

Social and Information Networks · Computer Science 2021-06-29 Julia Wu , Venkatesh Sivaraman , Dheekshita Kumar , Juan M. Banda , David Sontag

Since a tweet is limited to 140 characters, it is ambiguous and difficult for traditional Natural Language Processing (NLP) tools to analyse. This research presents KeyXtract which enhances the machine learning based Stanford CoreNLP…

Computation and Language · Computer Science 2017-08-10 Tharindu Weerasooriya , Nandula Perera , S. R. Liyanage

The increasing popularity of Twitter renders improved trustworthiness and relevance assessment of tweets much more important for search. However, given the limitations on the size of tweets, it is hard to extract measures for ranking from…

Information Retrieval · Computer Science 2013-08-13 Srijith Ravikumar , Kartik Talamadupula , Raju Balakrishnan , Subbarao Kambhampati

Real-time text processing systems are required in many domains to quickly identify patterns, trends, sentiments, and insights. Nowadays, social networks, e-commerce stores, blogs, scientific experiments, and server logs are main sources…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-12-13 Hassan Nazeer , Waheed Iqbal , Fawaz Bokhari , Faisal Bukhari , Shuja Ur Rehman Baig

The huge popularity of social media platforms like Twitter attracts a large fraction of users to share real-time information and short situational messages during disasters. A summary of these tweets is required by the government…

Social and Information Networks · Computer Science 2022-11-22 Piyush Kumar Garg , Roshni Chakraborty , Sourav Kumar Dandapat

The clear, social, and dark web have lately been identified as rich sources of valuable cyber-security information that -given the appropriate tools and methods-may be identified, crawled and subsequently leveraged to actionable…

Cryptography and Security · Computer Science 2021-09-16 Paris Koloveas , Thanasis Chantzios , Christos Tryfonopoulos , Spiros Skiadopoulos

Streaming social media provides a real-time glimpse of extreme weather impacts. However, the volume of streaming data makes mining information a challenge for emergency managers, policy makers, and disciplinary scientists. Here we explore…

Sentiment Analysis provides an opportunity to understand the subject(s), especially in the digital age, due to an abundance of public data and effective algorithms. Cybersecurity is a subject where opinions are plentiful and differing in…

Computation and Language · Computer Science 2022-04-27 Bipun Thapa

Retrieving information from an online search engine, is the first and most important step in many data mining tasks. Most of the search engines currently available on the web, including all social media platforms, are black-boxes (a.k.a…

Information Retrieval · Computer Science 2021-02-23 Aviad Elyashar , Maor Reuben , Rami Puzis

The escalating frequency of cyber-attacks poses significant challenges for organisations, particularly small enterprises constrained by limited in-house expertise, insufficient knowledge, and financial resources. This research presents a…

Cryptography and Security · Computer Science 2026-03-16 Emad Sherif , Iryna Yevseyeva , Vitor Basto-Fernandes , Allan Cook

Social media is often utilized as a lifeline for communication during natural disasters. Traditionally, natural disaster tweets are filtered from the Twitter stream using the name of the natural disaster and the filtered tweets are sent for…

Computation and Language · Computer Science 2022-07-12 Ramya Tekumalla , Juan M. Banda

Research shows that various social media platforms on Internet such as Twitter, Tumblr (micro-blogging websites), Facebook (a popular social networking website), YouTube (largest video sharing and hosting website), Blogs and discussion…

Computers and Society · Computer Science 2015-11-24 Swati Agarwal , Ashish Sureka

Online social networks are increasingly being utilized for collective sense making and information processing in disasters. However, the underlying mechanisms that shape the dynamics of collective intelligence in online social networks…

Social and Information Networks · Computer Science 2024-12-24 Chao Fan , Fangsheng Wu , Ali Mostafavi

Past studies in Sarcasm Detection mostly make use of Twitter datasets collected using hashtag-based supervision but such datasets are noisy in terms of labels and language. Furthermore, many tweets are replies to other tweets, and detecting…

Computation and Language · Computer Science 2022-12-13 Rishabh Misra

The Perception of Security (PoS) refers to people's opinions about security or insecurity in a place or situation. While surveys have traditionally been the primary means to capture such perceptions, they need to be improved in their…

Social and Information Networks · Computer Science 2025-07-08 Cristian Pulido , Francisco Gómez

Streams of user-generated content in social media exhibit patterns of collective attention across diverse topics, with temporal structures determined both by exogenous factors and endogenous factors. Teasing apart different topics and…

Physics and Society · Physics 2014-03-07 A. Panisson , L. Gauvin , M. Quaggiotto , C. Cattuto

Many governments impose traditional censorship methods on social media platforms. Instead of removing it completely, many social media companies, including Twitter, only withhold the content from the requesting country. This makes such…

Social and Information Networks · Computer Science 2021-08-25 Tuğrulcan Elmas , Rebekah Overdorf , Karl Aberer

Threat intelligence on malware attacks and campaigns is increasingly being shared with other security experts for a cost or for free. Other security analysts use this intelligence to inform them of indicators of compromise, attack…

Cryptography and Security · Computer Science 2023-01-20 Nidhi Rastogi , Sharmishtha Dutta , Mohammed J. Zaki , Alex Gittens , Charu Aggarwal

Applying natural language processing for mining and intelligent information access to tweets (a form of microblog) is a challenging, emerging research area. Unlike carefully authored news text and other longer content, tweets pose a number…

Computation and Language · Computer Science 2014-11-26 Leon Derczynski , Diana Maynard , Giuseppe Rizzo , Marieke van Erp , Genevieve Gorrell , Raphaël Troncy , Johann Petrak , Kalina Bontcheva