期刊
COMPLEX & INTELLIGENT SYSTEMS
卷 8, 期 3, 页码 2471-2487出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s40747-022-00658-0
关键词
Deep learning; Stock prediction; Hierarchical attention networks; News articles
资金
- Qassim University [10302-coc2020-1-3-I]
This paper proposes a deep learning-based framework for predicting stock market using financial news articles. Through preprocessing, feature extraction, feature reduction, and classifier training, the framework achieves an average prediction accuracy of 92.5% on a publicly available dataset, demonstrating its robustness.
Stock movement prediction is a challenging problem to analyze in both academic and financial research areas. The advancement of deep learning (DL) techniques has grasped the attention of researchers to employ them for predicting the stock market's future trends. Few frameworks can understand the financial terms in literature, and the volatile nature of stock markets further complicates this process. This paper has tried to overcome the existing challenges by introducing a DL-based framework using financial news articles to forecast the stock market. After performing preprocessing step, the deep contextualized word representation (DCWR) approach is applied for feature extraction. In the next step, the independent component analysis (ICA) method is used for feature reduction. Finally, the resultant features train the hierarchical attention networks (HANet) classifier to predict the stock movements. The proposed scheme is evaluated over the 7 years of data from a publicly available dataset gathered from the Reuter's website and attained an average prediction accuracy of 92.5% which shows our framework's robustness.
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