中文
相关论文

相关论文: Stock Market Forecasting Based on Text Mining Tech…

200 篇论文

The support vector machine (SVM) and deep learning (e.g., convolutional neural networks (CNNs)) are the two most famous algorithms in small and big data, respectively. Nonetheless, smaller datasets may be very important, costly, and not…

机器学习 · 计算机科学 2020-02-19 Wei-Chang Yeh

Prediction of stock price and stock price movement patterns has always been a critical area of research. While the well-known efficient market hypothesis rules out any possibility of accurate prediction of stock prices, there are formal…

统计金融 · 定量金融 2021-01-05 Sidra Mehtab , Jaydip Sen , Subhasis Dasgupta

In this study, a novel Distributed Representation of News (DRNews) model is developed and applied in deep learning-based stock market predictions. With the merit of integrating contextual information and cross-documental knowledge, the…

计算与语言 · 计算机科学 2022-05-17 Ye Ma , Lu Zong , Peiwan Wang

Stock market forecasting has been a topic of extensive research, aiming to provide investors with optimal stock recommendations for higher returns. In recent years, this field has gained even more attention due to the widespread adoption of…

计算金融 · 定量金融 2024-12-17 Igor L. R. Azevedo , Toyotaro Suzumura

Stock embedding is a method for vector representation of stocks. There is a growing demand for vector representations of stock, i.e., stock embedding, in wealth management sectors, and the method has been applied to various tasks such as…

计算与语言 · 计算机科学 2024-08-07 Takehiro Takayanagi , Hiroki Sakaji , Kiyoshi Izumi

Support vector machine (SVM), is a popular kernel method for data classification that demonstrated its efficiency for a large range of practical applications. The method suffers, however, from some weaknesses including; time processing,…

机器学习 · 计算机科学 2023-08-23 Lakhdar Remaki

Forecasting stock market prices remains a complex challenge for traders, analysts, and engineers due to the multitude of factors that influence price movements. Recent advancements in artificial intelligence (AI) and natural language…

统计金融 · 定量金融 2024-11-12 Kaushal Attaluri , Mukesh Tripathi , Srinithi Reddy , Shivendra

Traditional stock market prediction methods commonly only utilize the historical trading data, ignoring the fact that stock market fluctuations can be impacted by various other information sources such as stock related events. Although some…

统计金融 · 定量金融 2018-10-16 Xi Zhang , Yixuan Li , Senzhang Wang , Binxing Fang , Philip S. Yu

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

Predicting the turnover of a company in the ever fluctuating Stock market has always proved to be a precarious situation and most certainly a difficult task in hand. Data mining is a well-known sphere of Computer Science that aims on…

机器学习 · 计算机科学 2015-08-04 D. S. Shashaank , V. Sruthi , M. L. S Vijayalakshimi , Jacob Shomona Garcia

Financial analyses of stock markets rely heavily on quantitative approaches in an attempt to predict subsequent or market movements based on historical prices and other measurable metrics. These quantitative analyses might have missed out…

计算与语言 · 计算机科学 2020-08-04 Shaan Aryaman , Nguwi Yok Yen

Forecasting financial time series (FTS) is an essential field in finance and economics that anticipates market movements in financial markets. This paper investigates the accuracy of text mining and technical analyses in forecasting…

计量经济学 · 经济学 2023-05-01 Ali Lashgari

In todays global economy, accuracy in predicting macro-economic parameters such as the foreign the exchange rate or at least estimating the trend correctly is of key importance for any future investment. In recent times, the use of…

统计金融 · 定量金融 2020-02-25 Manav Kaushik , A K Giri

Recently, Large Language Models (LLMs) have attracted significant attention for their exceptional performance across a broad range of tasks, particularly in text analysis. However, the finance sector presents a distinct challenge due to its…

计算与语言 · 计算机科学 2024-06-18 Meiyun Wang , Kiyoshi Izumi , Hiroki Sakaji

We consider direct modeling of underlying stock value movement sequences over time in the news-driven stock movement prediction. A recurrent state transition model is constructed, which better captures a gradual process of stock movement…

计算与语言 · 计算机科学 2022-12-19 Xiao Liu , Heyan Huang , Yue Zhang , Changsen Yuan

Prediction and quantification of future volatility and returns play an important role in financial modelling, both in portfolio optimization and risk management. Natural language processing today allows to process news and social media…

统计金融 · 定量金融 2020-12-14 Justina Deveikyte , Helyette Geman , Carlo Piccari , Alessandro Provetti

We propose STONK (Stock Optimization using News Knowledge), a multimodal framework integrating numerical market indicators with sentiment-enriched news embeddings to improve daily stock-movement prediction. By combining numerical & textual…

人工智能 · 计算机科学 2025-08-20 Sarthak Khanna , Armin Berger , David Berghaus , Tobias Deusser , Lorenz Sparrenberg , Rafet Sifa

As the number of publicly traded companies as well as the amount of their financial data grows rapidly, it is highly desired to have tracking, analysis, and eventually stock selections automated. There have been few works focusing on…

统计金融 · 定量金融 2014-06-04 Sercan Arik , Sukru Burc Eryilmaz , Adam Goldberg

The stock market is a complex and dynamic system, where it is non-trivial for researchers and practitioners to uncover underlying patterns and forecast stock movements. The existing studies for stock market analysis rely on leveraging…

计算工程、金融与科学 · 计算机科学 2025-11-04 Yu Liu , Zhuoying Li , Ruifeng Yang , Fengran Mo , Cen Chen

Credit ratings are one of the primary keys that reflect the level of riskiness and reliability of corporations to meet their financial obligations. Rating agencies tend to take extended periods of time to provide new ratings and update…

风险管理 · 定量金融 2020-07-15 Parisa Golbayani , Ionuţ Florescu , Rupak Chatterjee