1. Schumacher, R.P., Chen, H.: Textual analysis of stock market prediction using breaking financial news: the AZFin text system. ACM Trans. Inf. Syst. 27, 1–19 (2009)
2. Giannini, R.C., Irvine, P.J., Shu, T.: Do local investors know more? A direct examination of individual investors’ information set. Working paper (2014)
3. Bar-Haim, R., Dinur, E., Feldman, R., Fresko, M., Goldstein, G.: Identifying and following expert investors in stock microblogs. In: Proceedings of the Conference on Empirical Methods in Natural Language Processing, pp. 1310–1319 (2011)
4. Plakandaras, V., Papadimitriou, T., Gogas, P., Diamantaras, K.: Market sentiment and exchange rate directional forecasting. Algorithmic Financ. 4(1–2), 69–79 (2015)
5. Ruiz-Martínez, J.M., Valencia-García, R., García-Sánchez, F.: Semantic-based sentiment analysis in financial news. In Proceedings of the 1st International Workshop on Finance and Economics on the Semantic Web, pp. 38–51 (2012)