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Hope is characterized as openness of spirit toward the future, a desire, expectation, and wish for something to happen or to be true that remarkably affects human's state of mind, emotions, behaviors, and decisions. Hope is usually…

计算与语言 · 计算机科学 2022-11-07 Fazlourrahman Balouchzahi , Grigori Sidorov , Alexander Gelbukh

Nowadays, financial data analysis is becoming increasingly important in the business market. As companies collect more and more data from daily operations, they expect to extract useful knowledge from existing collected data to help make…

人工智能 · 计算机科学 2016-09-13 Fan Cai , Nhien-An Le-Khac , M-T. Kechadi

Many aspects of people's lives are proven to be deeply connected to their jobs. In this paper, we first investigate the distinct characteristics of major occupation categories based on tweets. From multiple social media platforms, we gather…

计算机与社会 · 计算机科学 2017-01-24 Tianran Hu , Haoyuan Xiao , Thuy-vy Thi Nguyen , Jiebo Luo

In many Twitter studies, it is important to know where a tweet came from in order to use the tweet content to study regional user behavior. However, researchers using Twitter to understand user behavior often lack sufficient geo-tagged…

社会与信息网络 · 计算机科学 2017-11-21 Binxuan Huang , Kathleen M. Carley

Identification of fine-grained location mentions in crisis tweets is central in transforming situational awareness information extracted from social media into actionable information. Most prior works have focused on identifying generic…

计算与语言 · 计算机科学 2021-11-12 Sarthak Khanal , Maria Traskowsky , Doina Caragea

This paper describes a pilot NER system for Twitter, comprising the USFD system entry to the W-NUT 2015 NER shared task. The goal is to correctly label entities in a tweet dataset, using an inventory of ten types. We employ structured…

计算与语言 · 计算机科学 2015-11-11 Leon Derczynski , Isabelle Augenstein , Kalina Bontcheva

Microblogging platforms, of which Twitter is a representative example, are valuable information sources for market screening and financial models. In them, users voluntarily provide relevant information, including educated knowledge on…

Sentiment analysis has been an active area of research in the past two decades and recently, with the advent of social media, there has been an increasing demand for sentiment analysis on social media texts. Since the social media texts are…

计算与语言 · 计算机科学 2020-10-21 Sainik Kumar Mahata , Dipankar Das , Sivaji Bandyopadhyay

Regressions trained to predict the future activity of social media users need rich features for accurate predictions. Many advanced models exist to generate such features; however, the time complexities of their computations are often…

社会与信息网络 · 计算机科学 2024-03-01 Aamir Mandviwalla , Lake Yin , Boleslaw K. Szymanski

The macroeconomic climate influences operations with regard to, e.g., raw material prices, financing, supply chain utilization and demand quotas. In order to adapt to the economic environment, decision-makers across the public and private…

机器学习 · 统计学 2018-03-13 Stefan Feuerriegel , Julius Gordon

Aspiring to achieve an accurate Bitcoin price prediction based on people's opinions on Twitter usually requires millions of tweets, using different text mining techniques (preprocessing, tokenization, stemming, stop word removal), and…

社会与信息网络 · 计算机科学 2023-06-12 Sattarov Otabek , Jaeyoung Choi

Nowcasting based on social media text promises to provide unobtrusive and near real-time predictions of community-level outcomes. These outcomes are typically regarding people, but the data is often aggregated without regard to users in the…

社会与信息网络 · 计算机科学 2018-08-30 Salvatore Giorgi , Daniel Preotiuc-Pietro , Anneke Buffone , Daniel Rieman , Lyle H. Ungar , H. Andrew Schwartz

In the era of rapid technological advancement, social media platforms such as Twitter (X) have emerged as indispensable tools for gathering consumer insights, capturing diverse opinions, and understanding public attitudes. This research…

人机交互 · 计算机科学 2025-10-23 S M Rakib Ul Karim , Rownak Ara Rasul , Tunazzina Sultana

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

Understanding and mitigating political bias in online social media platforms are crucial tasks to combat misinformation and echo chamber effects. However, characterizing political bias temporally using computational methods presents…

社会与信息网络 · 计算机科学 2023-09-20 Srinath Sai Tripuraneni , Sadia Kamal , Arunkumar Bagavathi

We can often detect from a person's utterances whether he/she is in favor of or against a given target entity -- their stance towards the target. However, a person may express the same stance towards a target by using negative or positive…

计算与语言 · 计算机科学 2016-05-06 Saif M. Mohammad , Parinaz Sobhani , Svetlana Kiritchenko

Accurate interpretation of numerical data in financial reports is critical for markets and regulators. Although XBRL (eXtensible Business Reporting Language) provides a standard for tagging financial figures, mapping thousands of facts to…

Social networks play a fundamental role in propagation of information and news. Characterizing the content of the messages becomes vital for different tasks, like breaking news detection, personalized message recommendation, fake users…

信息检索 · 计算机科学 2022-01-04 Federico Albanese , Esteban Feuerstein

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

In recent years, social bots have been using increasingly more sophisticated, challenging detection strategies. While many approaches and features have been proposed, social bots evade detection and interact much like humans making it…

社会与信息网络 · 计算机科学 2018-12-20 Isa Inuwa-Dutse , Bello Shehu Bello , Ioannis Korkontzelos