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We present a new machine learning and text information extraction approach to detection of cyber threat events in Twitter that are novel (previously non-extant) and developing (marked by significance with respect to similarity with a…

Information Retrieval · Computer Science 2019-07-19 Avishek Bose , Vahid Behzadan , Carlos Aguirre , William H. Hsu

Due to their real time nature, microblog streams are a rich source of dynamic information, for example, about emerging events. Existing techniques for discovering such events from a microblog stream in real time (such as Twitter trending…

Databases · Computer Science 2012-07-03 Manoj K Agarwal , Krithi Ramamritham , Manish Bhide

Social networks are quickly becoming the primary medium for discussing what is happening around real-world events. The information that is generated on social platforms like Twitter can produce rich data streams for immediate insights into…

Social and Information Networks · Computer Science 2019-07-26 Mateusz Fedoryszak , Brent Frederick , Vijay Rajaram , Changtao Zhong

Twitter stream has become a large source of information for many people, but the magnitude of tweets and the noisy nature of its content have made harvesting the knowledge from Twitter a challenging task for researchers for a long time.…

Computation and Language · Computer Science 2018-06-21 Øystein Repp , Heri Ramampiaro

Twitter updates now represent an enormous stream of information originating from a wide variety of formal and informal sources, much of which is relevant to real-world events. In this paper we adapt existing bio-surveillance algorithms to…

Social and Information Networks · Computer Science 2015-04-10 Nicholas Thapen , Donal Simmie , Chris Hankin

The unprecedented use of social media through smartphones and other web-enabled mobile devices has enabled the rapid adoption of platforms like Twitter. Event detection has found many applications on the web, including breaking news…

Social and Information Networks · Computer Science 2014-05-07 Shamanth Kumar , Huan Liu , Sameep Mehta , L. Venkata Subramaniam

A vast amount of textual web streams is influenced by events or phenomena emerging in the real world. The social web forms an excellent modern paradigm, where unstructured user generated content is published on a regular basis and in most…

Machine Learning · Computer Science 2012-08-15 Vasileios Lampos

Social media platforms are a rich source of information these days, however, of all the available information, only a small fraction is of users' interest. To help users catch up with the latest topics of their interests from the large…

Information Retrieval · Computer Science 2016-06-24 Cailing Dong , Arvind Agarwal

The global popularity of microblogs has led to an increasing accumulation of large volumes of text data on microblogging platforms such as Twitter. These corpora are untapped resources to understand social expressions on diverse subjects.…

Information Retrieval · Computer Science 2018-11-15 Tharindu Rukshan Bandaragoda , Daswin De Silva , Damminda Alahakoon

Social media plays a major role during and after major natural disasters (e.g., hurricanes, large-scale fires, etc.), as people ``on the ground'' post useful information on what is actually happening. Given the large amounts of posts, a…

Social and Information Networks · Computer Science 2020-01-01 Chidubem Arachie , Manas Gaur , Sam Anzaroot , William Groves , Ke Zhang , Alejandro Jaimes

The amount of user generated contents from various social medias allows analyst to handle a wide view of conversations on several topics related to their business. Nevertheless keeping up-to-date with this amount of information is not…

Computation and Language · Computer Science 2020-01-31 Jean Valère Cossu , Juan-Manuel Torres-Moreno , Eric SanJuan , Marc El-Bèze

Event detection using social media streams needs a set of informative features with strong signals that need minimal preprocessing and are highly associated with events of interest. Identifying these informative features as keywords from…

Social and Information Networks · Computer Science 2019-01-04 Ahmad Hany Hossny , Lewis Mitchell

Detection of emerging topics are now receiving renewed interest motivated by the rapid growth of social networks. Conventional term-frequency-based approaches may not be appropriate in this context, because the information exchanged are not…

Machine Learning · Statistics 2011-10-14 Toshimitsu Takahashi , Ryota Tomioka , Kenji Yamanishi

Despite the significant efforts made by the research community in recent years, automatically acquiring valuable information about high impact-events from social media remains challenging. We present EviDense, a graph-based approach for…

Social and Information Networks · Computer Science 2019-12-09 Oana Balalau , Carlos Castillo , Mauro Sozio

Events detected from social media streams often include early signs of accidents, crimes or disasters. Therefore, they can be used by related parties for timely and efficient response. Although significant progress has been made on event…

Social and Information Networks · Computer Science 2020-02-12 Yi Han , Shanika Karunasekera , Christopher Leckie

One of the major sources of trending news, events and opinion in the current age is micro blogging. Twitter, being one of them, is extensively used to mine data about public responses and event updates. This paper intends to propose methods…

Social and Information Networks · Computer Science 2015-06-22 Rishabh Jain , Abhishek B. S. , Satvik Jagannath

Online social post streams such as Twitter timelines and forum discussions have emerged as important channels for information dissemination. They are noisy, informal, and surge quickly. Real life events, which may happen and evolve every…

Social and Information Networks · Computer Science 2013-11-26 Pei Lee , Laks V. S. Lakshmanan , Evangelos E. Milios

This paper explores the real-time summarization of scheduled events such as soccer games from torrential flows of Twitter streams. We propose and evaluate an approach that substantially shrinks the stream of tweets in real-time, and…

Information Retrieval · Computer Science 2012-04-18 Arkaitz Zubiaga , Damiano Spina , Enrique Amigó , Julio Gonzalo

The use of microblogging platforms such as Twitter during crises has become widespread. More importantly, information disseminated by affected people contains useful information like reports of missing and found people, requests for urgent…

Social and Information Networks · Computer Science 2016-10-06 Koustav Rudra , Siddhartha Banerjee , Niloy Ganguly , Pawan Goyal , Muhammad Imran , Prasenjit Mitra

In the recent years, we have witnessed the rapid adoption of social media platforms, such as Twitter, Facebook and YouTube, and their use as part of the everyday life of billions of people worldwide. Given the habit of people to use these…

Social and Information Networks · Computer Science 2018-07-11 Manos Schinas , Symeon Papadopoulos , Yiannis Kompatsiaris , Pericles Mitkas
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