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Concept cloud-based sentiment visualization for financial reviews. (English) Zbl 1442.62227
Bucciarelli, Edgardo (ed.) et al., Decision economics: complexity of decisions and decisions for complexity. Papers based on the presentations at the international conference on decision economics, DECON 2019, Ávila, Spain, June 26–28, 2019. Cham: Springer. Adv. Intell. Syst. Comput. 1009, 183-191 (2020).
Summary: Online reviews such as posts on financial micro-blogs are useful for decision making in the investment. However, to read all the posts should not be practical because the volume of the posts is sometimes very large. In this paper, we develop a novel word cloud based framework for visualizing online reviews. Using the LRP method, we visualize the online reviews in the form that we can visually catch-up the sentiments of reviews in cluster units. Images generated from the proposed framework in this paper should be useful in decision making in the investment.
For the entire collection see [Zbl 1444.91005].
MSC:
62P05 Applications of statistics to actuarial sciences and financial mathematics
62H35 Image analysis in multivariate analysis
68T05 Learning and adaptive systems in artificial intelligence
Software:
Adam; word2vec
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