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Event detection (ED) identifies and classifies event triggers from unstructured texts, serving as a fundamental task for information extraction. Despite the remarkable progress achieved in the past several years, most research efforts focus…

Computation and Language · Computer Science 2022-11-28 Xiangyu Xi , Jianwei Lv , Shuaipeng Liu , Wei Ye , Fan Yang , Guanglu Wan

Fake information poses one of the major threats for society in the 21st century. Identifying misinformation has become a key challenge due to the amount of fake news that is published daily. Yet, no approach is established that addresses…

Information Retrieval · Computer Science 2021-03-30 Vishwani Gupta , Katharina Beckh , Sven Giesselbach , Dennis Wegener , Tim Wirtz

Detection of fake news is crucial to ensure the authenticity of information and maintain the news ecosystems reliability. Recently, there has been an increase in fake news content due to the recent proliferation of social media and fake…

Social and Information Networks · Computer Science 2022-07-28 Pallabi Saikia , Kshitij Gundale , Ankit Jain , Dev Jadeja , Harvi Patel , Mohendra Roy

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…

Computation and Language · Computer Science 2016-01-18 Jugal Kalita

Event detection in text streams is a crucial task for the analysis of online media and social networks. One of the current challenges in this field is establishing a performance standard while maintaining an acceptable level of…

Computation and Language · Computer Science 2024-12-23 Marjolaine Ray , Qi Wang , Frédérique Mélanie-Becquet , Thierry Poibeau , Béatrice Mazoyer

Nowadays social media is the primary platform for people to obtain news and share information. Combating online fake news has become an urgent task to reduce the damage it causes to society. Existing methods typically improve their fake…

Social and Information Networks · Computer Science 2023-12-27 Xing Su , Jian Yang , Jia Wu , Zitai Qiu

In today's world, we follow news which is distributed globally. Significant events are reported by different sources and in different languages. In this work, we address the problem of tracking of events in a large multilingual stream.…

Information Retrieval · Computer Science 2015-12-23 Jan Rupnik , Andrej Muhic , Gregor Leban , Primoz Skraba , Blaz Fortuna , Marko Grobelnik

Fake news detection is a critical yet challenging problem in Natural Language Processing (NLP). The rapid rise of social networking platforms has not only yielded a vast increase in information accessibility but has also accelerated the…

Computation and Language · Computer Science 2020-07-09 Ray Oshikawa , Jing Qian , William Yang Wang

Fake news travels at unprecedented speeds, reaches global audiences and puts users and communities at great risk via social media platforms. Deep learning based models show good performance when trained on large amounts of labeled data on…

Information Retrieval · Computer Science 2021-06-28 Yaqing Wang , Fenglong Ma , Haoyu Wang , Kishlay Jha , Jing Gao

Social network analysis is leveraged in a variety of applications such as identifying influential entities, detecting communities with special interests, and determining the flow of information and innovations. However, existing approaches…

Social and Information Networks · Computer Science 2017-01-31 Stefan Siersdorfer , Philipp Kemkes , Hanno Ackermann , Sergej Zerr

Content analysis of news stories (whether manual or automatic) is a cornerstone of the communication studies field. However, much research is conducted at the level of individual news articles, despite the fact that news events (especially…

Social and Information Networks · Computer Science 2024-10-31 Tom Nicholls , Jonathan Bright

In this paper we consider the task of detecting abnormal communication volume occurring at node-level in communication networks. The signal of the communication activity is modeled by means of a clique stream: each occurring communication…

Machine Learning · Computer Science 2019-02-13 Batiste Le Bars , Argyris Kalogeratos

In modern advanced emergency management systems many solutions for decision support have been provided as attempts to support humans to take important decisions for the critical situations recovery. The critical situation detection is a…

Computers and Society · Computer Science 2014-05-01 Massimiliano L. Itria , Alessandro Daidone , Andrea Ceccarelli

As the Internet and social media evolve rapidly, distinguishing credible news from a vast amount of complex information poses a significant challenge. Due to the suddenness and instability of news events, the authenticity labels of news can…

Computation and Language · Computer Science 2025-09-16 Di Jin , Jun Yang , Xiaobao Wang , Junwei Zhang , Shuqi Li , Dongxiao He

We develop an algorithm to detect community structure in complex networks. The algorithm is based on spectral methods and takes into account weights and links orientations. Since the method detects efficiently clustered nodes in large…

Disordered Systems and Neural Networks · Physics 2009-11-10 Andrea Capocci , Vito D. P. Servedio , Guido Caldarelli , Francesca Colaiori

Detecting when public discourse shifts in response to major events is crucial for understanding societal dynamics. Real-world data is high-dimensional, sparse, and noisy, making changepoint detection in this domain a challenging endeavor.…

Machine Learning · Computer Science 2025-06-24 Csaba Zsolnai , Niels Lörch , Julian Arnold

Increasing amounts of freely available data both in textual and relational form offers exploration of richer document representations, potentially improving the model performance and robustness. An emerging problem in the modern era is fake…

Computation and Language · Computer Science 2022-02-16 Boshko Koloski , Timen Stepišnik-Perdih , Marko Robnik-Šikonja , Senja Pollak , Blaž Škrlj

Feature extraction is an important process of machine learning and deep learning, as the process make algorithms function more efficiently, and also accurate. In natural language processing used in deception detection such as fake news…

Computation and Language · Computer Science 2020-11-04 HyeonJun Kim

This workshop is the fourth issue of a series of workshops on automatic extraction of socio-political events from news, organized by the Emerging Market Welfare Project, with the support of the Joint Research Centre of the European…

Computation and Language · Computer Science 2021-08-19 Ali Hürriyetoğlu , Hristo Tanev , Vanni Zavarella , Jakub Piskorski , Reyyan Yeniterzi , Erdem Yörük

The explosion in the amount of news and journalistic content being generated across the globe, coupled with extended and instantaneous access to information through online media, makes it difficult and time-consuming to monitor news…

Computation and Language · Computer Science 2018-08-06 M. Tarik Altuncu , Sophia N. Yaliraki , Mauricio Barahona