Marechal, Frederic; Stamate, Daniel; Olaniyan, Rapheal and Marek, Jiti. 2018. On XLE index constituents’ social media based sentiment informing the index trend and volatility prediction. In: Thanh Nguyen; Elias Pimenidis; Zaheer Khan and Bogdan Trawiński, eds. Computational Collective Intelligence: 10th International Conference, ICCCI 2018, Bristol, UK, September 5-7, 2018, Proceedings, Part II. Cham, Switzerland: Springer, pp. 366-376. ISBN 9783319984469 [Book Section]