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With the rise in popularity of public social media and micro-blogging services, most notably Twitter, the people have found a venue to hear and be heard by their peers without an intermediary. As a consequence, and aided by the public…

计算与语言 · 计算机科学 2016-06-21 Prashanth Vijayaraghavan , Soroush Vosoughi , Deb Roy

Twitter is among the most prevalent social media platform being used by millions of people all over the world. It is used to express ideas and opinions about political, social, business, sports, health, religion, and various other…

计算与语言 · 计算机科学 2021-12-07 Khubaib Ahmed Qureshi

Micro-blogging sources such as the Twitter social network provide valuable real-time data for market prediction models. Investors' opinions in this network follow the fluctuations of the stock markets and often include educated speculations…

Social media include diverse interaction metrics related to user popularity, the most evident example being the number of user followers. The latter has raised concerns about the credibility of the posts by the most popular creators.…

The growing prominence of cryptocurrencies has triggered widespread public engagement and increased speculative activity, particularly on social media platforms. This study introduces a novel classification framework for identifying…

Automatic sentiment analysis play vital role in decision making. Many organizations spend a lot of budget to understand their customer satisfaction by manually going over their feedback/comments or tweets. Automatic sentiment analysis can…

计算与语言 · 计算机科学 2021-07-07 Mohammad Aimal , Maheen Bakhtyar , Junaid Baber , Sadia Lakho , Umar Mohammad , Warda Ahmed , Jahanvash Karim

Sentiment Analysis of microblog feeds has attracted considerable interest in recent times. Most of the current work focuses on tweet sentiment classification. But not much work has been done to explore how reliable the opinions of the mass…

机器学习 · 计算机科学 2019-12-12 Rahul Radhakrishnan Iyer , Ronghuo Zheng , Yuezhang Li , Katia Sycara

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 investigates the role of expert-designed hint in enhancing sentiment analysis on financial social media posts. We explore the capability of large language models (LLMs) to empathize with writer perspectives and analyze…

计算与语言 · 计算机科学 2024-09-27 Chung-Chi Chen , Hiroya Takamura , Ichiro Kobayashi , Yusuke Miyao

When evaluating the cause of one's popularity on Twitter, one thing is considered to be the main driver: Many tweets. There is debate about the kind of tweet one should publish, but little beyond tweets. Of particular interest is the…

信息检索 · 计算机科学 2017-05-10 Juergen Mueller , Gerd Stumme

Current crowd counting algorithms are only concerned about the number of people in an image, which lacks low-level fine-grained information of the crowd. For many practical applications, the total number of people in an image is not as…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Jia Wan , Nikil Senthil Kumar , Antoni B. Chan

Twitter is a useful resource to analyze peoples' opinions on various topics. Often these topics are correlated or associated with locations from where these Tweet posts are made. For example, restaurant owners may need to know where their…

机器学习 · 计算机科学 2021-06-28 Florina Dutt , Subhajit Das

This paper presents a financial analysis over Twitter sentiment analytics extracted from listed retail brands. We investigate whether there is statistically-significant information between the Twitter sentiment and volume, and stock returns…

计算机与社会 · 计算机科学 2017-04-03 Thársis Tuani Pinto Souza , Olga Kolchyna , Philip C. Treleaven , Tomaso Aste

Traditional sentiment analysis approaches tackle problems like ternary (3-category) and fine-grained (5-category) classification by learning the tasks separately. We argue that such classification tasks are correlated and we propose a…

信息检索 · 计算机科学 2017-07-13 Georgios Balikas , Simon Moura , Massih-Reza Amini

Predictive analysis of social media data has attracted considerable attention from the research community as well as the business world because of the essential and actionable information it can provide. Over the years, extensive…

社会与信息网络 · 计算机科学 2023-09-04 Ugur Kursuncu , Manas Gaur , Usha Lokala , Krishnaprasad Thirunarayan , Amit Sheth , I. Budak Arpinar

The paper proposes a method of financial time series forecasting taking into account the semantics of news. For the semantic analysis of financial news the sampling of negative and positive words in economic sense was formed based on…

综合金融 · 定量金融 2017-05-25 Kateryna Kononova , Anton Dek

This project addresses the problem of sentiment analysis in twitter; that is classifying tweets according to the sentiment expressed in them: positive, negative or neutral. Twitter is an online micro-blogging and social-networking platform…

计算与语言 · 计算机科学 2015-09-15 Afroze Ibrahim Baqapuri

Automatic profiling of social media users is an important task for supporting a multitude of downstream applications. While a number of studies have used social media content to extract and study collective social attributes, there is a…

计算与语言 · 计算机科学 2016-12-28 Konstantinos Pappas , Rada Mihalcea

Analysing how people react to rumours associated with news in social media is an important task to prevent the spreading of misinformation, which is nowadays widely recognized as a dangerous tendency. In social media conversations, users…

计算与语言 · 计算机科学 2019-01-08 Endang Wahyu Pamungkas , Valerio Basile , Viviana Patti

Over the past decade humans have experienced exponential growth in the use of online resources, in particular social media and microblogging websites such as Facebook, Twitter, YouTube and also mobile applications such as WhatsApp, Line,…

信息检索 · 计算机科学 2015-09-09 Rishabh Soni , K. James Mathai
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