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相关论文: Event Detection in Twitter: A Content and Time-Bas…

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The advancement of social media contributes to the growing amount of content they share frequently. This framework provides a sophisticated place for people to report various real-life events. Detecting these events with the help of natural…

机器学习 · 计算机科学 2023-01-24 Arya Hadizadeh Moghaddam , Saeedeh Momtazi

Recent research has focused on the monitoring of global-scale online data for improved detection of epidemics, mood patterns, movements in the stock market, political revolutions, box-office revenues, consumer behaviour and many other…

社会与信息网络 · 计算机科学 2012-11-29 Manuel Garcia-Herranz , Esteban Moro Egido , Manuel Cebrian , Nicholas A. Christakis , James H. Fowler

The advent of the era of Big Data has allowed many researchers to dig into various socio-technical systems, including social media platforms. In particular, these systems have provided them with certain verifiable means to look into certain…

社会与信息网络 · 计算机科学 2015-08-31 Hoai Nguyen Huynh , Erika Fille Legara , Christopher Monterola

In this work, we evaluate the performance of recent text embeddings for the automatic detection of events in a stream of tweets. We model this task as a dynamic clustering problem.Our experiments are conducted on a publicly available corpus…

信息检索 · 计算机科学 2020-01-14 Béatrice Mazoyer , Nicolas Hervé , Céline Hudelot , Julia Cage

The complex topology of real networks allows its actors to change their functional behavior. Network models provide better understanding of the evolutionary mechanisms being accountable for the growth of such networks by capturing the…

社会与信息网络 · 计算机科学 2017-04-11 Arif Mohaimin Sadri , Samiul Hasan , Satish V. Ukkusuri , Juan Esteban Suarez Lopez

Social media platforms such as Twitter (now known as X) have revolutionized how the public engage with important societal and political topics. Recently, climate change discussions on social media became a catalyst for political…

社会与信息网络 · 计算机科学 2023-12-05 Yashaswi Pupneja , Joseph Zou , Sacha Lévy , Shenyang Huang

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…

信息检索 · 计算机科学 2012-04-18 Arkaitz Zubiaga , Damiano Spina , Enrique Amigó , Julio Gonzalo

With public information becoming widely accessible and shared on today's web, greater insights are possible into crowd actions by citizens and non-state actors such as large protests and cyber activism. We present efforts to predict the…

社会与信息网络 · 计算机科学 2014-02-12 Nathan Kallus

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…

Social media have substantially altered the way brands and businesses advertise: Online Social Networks provide brands with more versatile and dynamic channels for advertisement than traditional media (e.g., TV and radio). Levels of…

社会与信息网络 · 计算机科学 2013-12-24 Shana Dacres , Hamed Haddadi , Matthew Purver

The advent of social media expands our ability to transmit information and connect with others instantly, which enables us to behave as "social sensors." Here, we studied concurrent bursty behavior of Twitter users during major sporting…

物理与社会 · 物理学 2015-12-21 Yuki Takeichi , Kazutoshi Sasahara , Reji Suzuki , Takaya Arita

As global digitization continues to grow, technology becomes more affordable and easier to use, and social media platforms thrive, becoming the new means of spreading information and news. Communities are built around sharing and discussing…

人工智能 · 计算机科学 2023-01-31 Alexandru Petrescu , Ciprian-Octavian Truică , Elena-Simona Apostol , Adrian Paschke

The problem of quickest detection of dynamic events in networks is studied. At some unknown time, an event occurs, and a number of nodes in the network are affected by the event, in that they undergo a change in the statistics of their…

信号处理 · 电气工程与系统科学 2018-07-18 Shaofeng Zou , Venugopal V. Veeravalli , Jian Li , Don Towsley

A common goal in network modeling is to uncover the latent community structure present among nodes. For many real-world networks, the true connections consist of events arriving as streams, which are then aggregated to form edges, ignoring…

社会与信息网络 · 计算机科学 2023-10-27 Guanhua Fang , Owen G. Ward , Tian Zheng

Social networking services have became an important communication channel in time of emergency. The aim of this study is to create a machine learning language model that is able to investigate if a person or area was in danger or not. The…

计算与语言 · 计算机科学 2022-02-03 Anh Duc Le

Today's social networks continuously generate massive streams of data, which provide a valuable starting point for the detection of rumours as soon as they start to propagate. However, rumour detection faces tight latency bounds, which…

Detecting spreading outbreaks in social networks with sensors is of great significance in applications. Inspired by the formation mechanism of human's physical sensations to external stimuli, we propose a new method to detect the influence…

物理与社会 · 物理学 2017-02-08 Sen Pei , Shaoting Tang , Zhiming Zheng

A comprehensive understanding of data quality is the cornerstone of measurement studies in social media research. This paper presents in-depth measurements on the effects of Twitter data sampling across different timescales and different…

社会与信息网络 · 计算机科学 2020-04-07 Siqi Wu , Marian-Andrei Rizoiu , Lexing Xie

Measuring public sentiment is a key task for researchers and policymakers alike. The explosion of available social media data allows for a more time-sensitive and geographically specific analysis than ever before. In this paper we analyze…

物理与社会 · 物理学 2013-08-26 Karla Z. Bertrand , Maya Bialik , Kawandeep Virdee , Andreas Gros , Yaneer Bar-Yam

Measuring the impact and success of human performance is common in various disciplines, including art, science, and sports. Quantifying impact also plays a key role on social media, where impact is usually defined as the reach of a user's…

社会与信息网络 · 计算机科学 2019-04-09 Kiran Garimella , Robert West
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