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相关论文: Contextual Sentence Analysis for the Sentiment Pre…

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Stock trend analysis has been an influential time-series prediction topic due to its lucrative and inherently chaotic nature. Many models looking to accurately predict the trend of stocks have been based on Recurrent Neural Networks (RNNs).…

统计金融 · 定量金融 2023-05-25 Harsimrat Kaeley , Ye Qiao , Nader Bagherzadeh

Researchers and financial professionals require robust computerized tools that allow users to rapidly operationalize and assess the semantic textual content in financial news. However, existing methods commonly work at the document-level…

信息检索 · 计算机科学 2019-01-03 Bernhard Lutz , Nicolas Pröllochs , Dirk Neumann

Mining financial text documents and understanding the sentiments of individual investors, institutions and markets is an important and challenging problem in the literature. Current approaches to mine sentiments from financial texts largely…

信息检索 · 计算机科学 2018-11-28 Srikumar Krishnamoorthy

A sentiment analysis system powered by machine learning was created in this study to improve real-time social network public opinion monitoring. For sophisticated sentiment identification, the suggested approach combines cutting-edge…

计算与语言 · 计算机科学 2025-02-25 Arsen Tolebay Nurlanuly

Financial Sentiment Analysis (FSA) traditionally relies on human-annotated sentiment labels to infer investor sentiment and forecast market movements. However, inferring the potential market impact of words based on their human-perceived…

计算工程、金融与科学 · 计算机科学 2025-03-04 Hamid Moradi-Kamali , Mohammad-Hossein Rajabi-Ghozlou , Mahdi Ghazavi , Ali Soltani , Amirreza Sattarzadeh , Reza Entezari-Maleki

The Efficient Market Hypothesis (EMH) highlights the essence of financial news in stock price movement. Financial news comes in the form of corporate announcements, news titles, and other forms of digital text. The generation of insights…

机器学习 · 计算机科学 2024-12-16 Abraham Atsiwo

Sentiment Analysis is the task of classifying documents based on the sentiments expressed in textual form, this can be achieved by using lexical and semantic methods. The purpose of this study is to investigate the use of semantics to…

计算与语言 · 计算机科学 2020-09-02 Ukachi Osisiogu

Sentiment analysis of social media data consists of attitudes, assessments, and emotions which can be considered a way human think. Understanding and classifying the large collection of documents into positive and negative aspects are a…

计算与语言 · 计算机科学 2020-07-16 Aditya Sharma , Alex Daniels

Sentiment analysis on software engineering (SE) texts has been widely used in the SE research, such as evaluating app reviews or analyzing developers sentiments in commit messages. To better support the use of automated sentiment analysis…

软件工程 · 计算机科学 2021-03-25 Kexin Sun , Hui Gao , Hongyu Kuang , Xiaoxing Ma , Guoping Rong , Dong Shao , He Zhang

The study of the stock market with the attraction of machine learning approaches is a major direction for revealing hidden market regularities. This knowledge contributes to a profound understanding of financial market dynamics and getting…

机器学习 · 计算机科学 2023-03-28 Andrei Zaichenko , Aleksei Kazakov , Elizaveta Kovtun , Semen Budennyy

Sentiment analysis is a very important natural language processing activity in which one identifies the polarity of a text, whether it conveys positive, negative, or neutral sentiment. Along with the growth of social media and the Internet,…

计算与语言 · 计算机科学 2025-09-30 Meysam Shirdel Bilehsavar , Negin Mahmoudi , Mohammad Jalili Torkamani , Kiana Kiashemshaki

Sentiment analysis, also referred to as opinion mining, primarily tries to extract opinion from any text-based data. In the context of movie reviews and critics, sentimental analysis can be a helpful tool to predict whether a movie review…

计算与语言 · 计算机科学 2026-05-22 Dip Biswas Shanto , Mitali Yadav , Prajwal Panth , Suresh Chandra Satapathy

The increasing availability of "big" (large volume) social media data has motivated a great deal of research in applying sentiment analysis to predict the movement of prices within financial markets. Previous work in this field investigates…

计算工程、金融与科学 · 计算机科学 2018-11-08 Ellie Birbeck , Dave Cliff

The goal of this paper is to evaluate the informational content of sentiment extracted from news articles about the state of the economy. We propose a fine-grained aspect-based sentiment analysis that has two main characteristics: 1) we…

计算工程、金融与科学 · 计算机科学 2022-03-30 Luca Barbaglia , Sergio Consoli , Sebastiano Manzan

Financial sentiment analysis is crucial for understanding the influence of news on stock prices. Recently, large language models (LLMs) have been widely adopted for this purpose due to their advanced text analysis capabilities. However,…

计算与语言 · 计算机科学 2025-06-24 Yixuan Liang , Yuncong Liu , Neng Wang , Hongyang Yang , Boyu Zhang , Christina Dan Wang

Effectively analyzing the comments to uncover latent intentions holds immense value in making strategic decisions across various domains. However, several challenges hinder the process of sentiment analysis including the lexical diversity…

计算与语言 · 计算机科学 2025-06-27 Md. Mostafizer Rahman , Ariful Islam Shiplu , Yutaka Watanobe , Md. Ashad Alam

Temporal data distribution shift is prevalent in the financial text. How can a financial sentiment analysis system be trained in a volatile market environment that can accurately infer sentiment and be robust to temporal data distribution…

计算与语言 · 计算机科学 2023-10-20 Yue Guo , Chenxi Hu , Yi Yang

Financial sentiment analysis (FSA) has attracted significant attention, and recent studies increasingly explore large language models (LLMs) for this field. Yet most work evaluates only classification metrics, leaving unclear whether…

计算工程、金融与科学 · 计算机科学 2025-09-17 Zijian Zhang , Rong Fu , Yangfan He , Xinze Shen , Yanlong Wang , Xiaojing Du , Haochen You , Jiazhao Shi , Simon Fong

In this work, we present our findings and experiments for stock-market prediction using various textual sentiment analysis tools, such as mood analysis and event extraction, as well as prediction models, such as LSTMs and specific…

计算与语言 · 计算机科学 2018-01-22 Jordan Prosky , Xingyou Song , Andrew Tan , Michael Zhao

Predicting stock market movements is a well-known problem of interest. Now-a-days social media is perfectly representing the public sentiment and opinion about current events. Especially, twitter has attracted a lot of attention from…

信息检索 · 计算机科学 2016-10-31 Venkata Sasank Pagolu , Kamal Nayan Reddy Challa , Ganapati Panda , Babita Majhi
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