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相关论文: An Event Detection Approach Based On Twitter Hasht…

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Events of various kinds are mentioned and discussed in text documents, whether they are books, news articles, blogs or microblog feeds. The paper starts by giving an overview of how events are treated in linguistics and philosophy. We…

计算与语言 · 计算机科学 2016-01-18 Jugal Kalita

The pervasive use of social media platforms, such as Facebook, Instagram, and X, has significantly amplified our electronic interconnectedness. Moreover, these platforms are now easily accessible from any location at any given time.…

社会与信息网络 · 计算机科学 2024-02-21 Abulkarim Faraj Alqahtani , Mohammad Ilyas

Hashtags are semantico-syntactic constructs used across various social networking and microblogging platforms to enable users to start a topic specific discussion or classify a post into a desired category. Segmenting and linking the…

信息检索 · 计算机科学 2015-01-15 Piyush Bansal , Romil Bansal , Vasudeva Varma

The development of summarization research has been significantly hampered by the costly acquisition of reference summaries. This paper proposes an effective way to automatically collect large scales of news-related multi-document summaries…

信息检索 · 计算机科学 2015-11-30 Ziqiang Cao , Chengyao Chen , Wenjie Li , Sujian Li , Furu Wei , Ming Zhou

Social media posts contain an abundant amount of information about public opinion on major events, especially natural disasters such as hurricanes. Posts related to an event, are usually published by the users who live near the place of the…

社会与信息网络 · 计算机科学 2023-08-14 Songhui Yue , Jyothsna Kondari , Aibek Musaev , Randy K. Smith , Songqing Yue

Extracting textual features from tweets is a challenging process due to the noisy nature of the content and the weak signal of most of the words used. In this paper, we propose using singular value decomposition (SVD) with clustering to…

社会与信息网络 · 计算机科学 2018-07-26 Ahmad Hany Hossny , Terry Moschou , Grant Osborne , Lewis Mitchell , Nick Lothian

Cluster analysis is a field of data analysis that extracts underlying patterns in data. One application of cluster analysis is in text-mining, the analysis of large collections of text to find similarities between documents. We used a…

机器学习 · 统计学 2014-08-26 Daniel Godfrey , Caley Johns , Carl Meyer , Shaina Race , Carol Sadek

Social media users give rise to social trends as they share about common interests, which can be triggered by different reasons. In this work, we explore the types of triggers that spark trends on Twitter, introducing a typology with…

信息检索 · 计算机科学 2014-03-07 Arkaitz Zubiaga , Damiano Spina , Raquel Martínez , Víctor Fresno

Big data streams are possibly one of the most essential underlying notions. However, data streams are often challenging to handle owing to their rapid pace and limited information lifetime. It is difficult to collect and communicate stream…

机器学习 · 计算机科学 2022-03-03 Christos Karras , Aristeidis Karras , Spyros Sioutas

A key challenge in mining social media data streams is to identify events which are actively discussed by a group of people in a specific local or global area. Such events are useful for early warning for accident, protest, election or…

社会与信息网络 · 计算机科学 2021-06-25 Yasmeen George , Shanika Karunasekera , Aaron Harwood , Kwan Hui Lim

In the past few years, there has been a huge growth in Twitter sentiment analysis having already provided a fair amount of research on sentiment detection of public opinion among Twitter users. Given the fact that Twitter messages are…

Keyword extraction is a crucial process in text mining. The extraction of keywords with respective contextual events in Twitter data is a big challenge. The challenging issues are mainly because of the informality in the language used. The…

计算与语言 · 计算机科学 2023-04-05 Vaibhav Khatavkar , Swapnil Mane , Parag Kulkarni

Real-time urban climate monitoring provides useful information that can be utilized to help monitor and adapt to extreme events, including urban heatwaves. Typical approaches to the monitoring of climate data include weather station…

应用统计 · 统计学 2015-09-18 Yoshiki Yamagata , Daisuke Murakami , Gareth W. Peters , Tomoko Matsui

Detecting rare events, those defined to give rise to high impact but have a low probability of occurring, is a challenge in a number of domains including meteorological, environmental, financial and economic. The use of machine learning to…

应用统计 · 统计学 2022-09-13 Santhosh Narayanan , Carsten Maple , Mark Hooper

Social media datasets, especially Twitter tweets, are popular in the field of text classification. Tweets are a valuable source of micro-text (sometimes referred to as "micro-blogs"), and have been studied in domains such as sentiment…

信息检索 · 计算机科学 2017-08-29 Ankit Vadehra , Maura R. Grossman , Gordon V. Cormack

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

Twitter has become a leading source of real-time world-wide information and a great medium for exploring emerging events, breaking news and general topics which most matter to a broad audience. On the other hand, the explosive rate of…

社会与信息网络 · 计算机科学 2017-04-04 Nazanin Dehghani , Masoud Asadpour

It is a challenging and complex task to acquire information from different regions of a disaster-affected area in a timely fashion. The extensive spread and reach of social media and networks allow people to share information in real-time.…

社会与信息网络 · 计算机科学 2019-08-06 Md. Yasin Kabir , Sanjay Madria

Twitter, a microblogging service, has evolved into a powerful communication platform with millions of active users who generate immense volume of microposts on a daily basis. To facilitate effective categorization and easy search, users…

社会与信息网络 · 计算机科学 2017-05-31 Hamidreza Alvari

Microblogging sites like Twitter and Weibo have emerged as important sourcesof real-time information on ongoing events, including socio-political events, emergency events, and so on. For instance, during emergency events (such as…

信息检索 · 计算机科学 2017-07-20 Prannay Khosla , Moumita Basu , Kripabandhu Ghosh , Saptarshi Ghosh