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相关论文: Sentiment Analysis of Typhoon Related Tweets using…

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Disaster prediction is one of the most critical tasks towards disaster surveillance and preparedness. Existing technologies employ different machine learning approaches to predict incoming disasters from historical environmental data.…

计算与语言 · 计算机科学 2020-08-12 Hamada M. Zahera , Mohamed Ahmed Sherif , Axel Ngonga

One of the most significant issues as attended a lot in recent years is that of recognizing the sentiments and emotions in social media texts. The analysis of sentiments and emotions is intended to recognize the conceptual information such…

机器学习 · 计算机科学 2025-03-27 Bahareh Golchin , Noushin Riahi

With the development of the Internet, social media has become an important channel for posting disaster-related information. Analyzing attitudes hidden in these texts, known as sentiment analysis, is crucial for the government or relief…

社会与信息网络 · 计算机科学 2020-05-29 Lingyu Meng , Zhijie Sasha Dong

Information flow during catastrophic events is a critical aspect of disaster management. Modern communication platforms, in particular online social networks, provide an opportunity to study such flow, and a mean to derive early-warning…

社会与信息网络 · 计算机科学 2015-06-18 Yury Kryvasheyeu , Haohui Chen , Esteban Moro , Pascal Van Hentenryck , Manuel Cebrian

Extreme weather events driven by climate change, such as wildfires, floods, and heatwaves, prompt significant public reactions on social media platforms. Analyzing the sentiment expressed in these online discussions can offer valuable…

社会与信息网络 · 计算机科学 2025-10-14 Pouya Shaeri , Yasaman Mohammadpour , Alimohammad Beigi , Ariane Middel

Social media has become an essential channel for posting disaster-related information, which provide governments and relief agencies real-time data for better disaster management. However, research in this field has not received sufficient…

社会与信息网络 · 计算机科学 2021-07-13 Zhijie Sasha Dong , Lingyu Meng , Lauren Christenson , Lawrence Fulton

Twitter social network contains a large amount of information generated by its users. That information is composed of opinions and comments that may reflect trends in social behavior. There is talk of trend when it is possible to identify…

信息检索 · 计算机科学 2016-11-09 Daniel Robins , Fernando Emmanuel Frati , Jonatan Alvarez , Jose Texier

People often turn to social media to comment upon and share information about major global events. Accordingly, social media is receiving increasing attention as a rich data source for understanding people's social, political and economic…

Sentiment analysis is a new area in text analytics where it focuses on the analysis and understanding of the emotions from the text patterns. This new form of analysis has been widely adopted in customer relation management especially in…

应用统计 · 统计学 2011-09-06 Murphy Choy , Michelle L. F. Cheong , Ma Nang Laik , Koo Ping Shung

Natural disasters (e.g., hurricanes) affect millions of people each year, causing widespread destruction in their wake. People have recently taken to social media websites (e.g., Twitter) to share their sentiments and feelings with the…

计算与语言 · 计算机科学 2020-04-30 Shrey Desai , Cornelia Caragea , Junyi Jessy Li

While it is well-documented that climate change accepters and deniers have become increasingly polarized in the United States over time, there has been no large-scale examination of whether these individuals are prone to changing their…

计算与语言 · 计算机科学 2020-06-09 Allison Koenecke , Jordi Feliu-Fabà

As one of the most extensive social networking services, Twitter has more than 300 million active users as of 2022. Among its many functions, Twitter is now one of the go-to platforms for consumers to share their opinions about products or…

计算与语言 · 计算机科学 2022-09-30 Shengyang Wu , Yi Gao

An important part of the information gathering and data analysis is to find out what people think about, either a product or an entity. Twitter is an opinion rich social networking site. The posts or tweets from this data can be used for…

信息检索 · 计算机科学 2024-09-05 Dwarampudi Mahidhar Reddy , N V Subba Reddy , N V Subba Reddy

This paper analyses social media data in multiple disaster-related collections of floods and heat waves in the UK. The proposed method uses machine learning classifiers based on deep bidirectional neural networks trained on benchmark…

社会与信息网络 · 计算机科学 2022-03-17 Victor Ponce-López , Catalina Spataru

Sentiment analysis is the task of automatic analysis of opinions and emotions of users towards an entity or some aspect of that entity. Political Sentiment Analysis of social media helps the political strategists to scrutinize the…

社会与信息网络 · 计算机科学 2020-07-22 Mohd Zeeshan Ansari , Areesha Fatima Siddiqui , Mohammad Anas

Social media has played a huge part on how people get informed and communicate with one another. It has helped people express their needs due to distress especially during disasters. Because posts made through it are publicly accessible by…

People increasingly use microblogging platforms such as Twitter during natural disasters and emergencies. Research studies have revealed the usefulness of the data available on Twitter for several disaster response tasks. However, making…

社会与信息网络 · 计算机科学 2018-05-16 Firoj Alam , Ferda Ofli , Muhammad Imran , Michael Aupetit

The Facebook network allows its users to record their reactions to text via a typology of emotions. This network, taken at scale, is therefore a prime data set of annotated sentiment data. This paper uses millions of such reactions, derived…

机器学习 · 计算机科学 2022-08-04 Vihanga Jayawickrama , Gihan Weeraprameshwara , Nisansa de Silva , Yudhanjaya Wijeratne

The analysis of natural disasters such as floods in a timely manner often suffers from limited data due to coarsely distributed sensors or sensor failures. At the same time, a plethora of information is buried in an abundance of images of…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Björn Barz , Kai Schröter , Ann-Christin Kra , Joachim Denzler

Hurricane Sandy was one of the deadliest and costliest of hurricanes over the past few decades. Many states experienced significant power outage, however many people used social media to communicate while having limited or no access to…

社会与信息网络 · 计算机科学 2017-10-06 Arif Mohaimin Sadri , Samiul Hasan , Satish V. Ukkusuri , Manuel Cebrian
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