Feldman, R., Rosenfeld, B., Bar-Haim, R. and Fresko, M. 2011. The Stock Sonar — Sentiment Analysis of Stocks Based on a Hybrid Approach. Proceedings of the AAAI Conference on Artificial Intelligence. 25, 2 (Aug. 2011), 1642-1647. DOI:https://doi.org/10.1609/aaai.v25i2.18854.