In Quest of Significance: Identifying Types of Twitter Sentiment Events that Predict Spikes in Sales. - Olga Kolchyna; Thársis T. P. Souza; Tomaso Aste; Philip C. Treleaven (CoRR, 2015)

Twitter Sentiment Analysis. - Olga Kolchyna; Thársis T. P. Souza; Philip C. Treleaven; Tomaso Aste (CoRR, 2015)

Twitter Sentiment Analysis Applied to Finance: A Case Study in the Retail Industry. - Thársis Tuani Pinto Souza; Olga Kolchyna; Philip C. Treleaven; Tomaso Aste (CoRR, 2015)

Evaluating the impact of social-media on sales forecasting: a quantitative study of world's biggest brands using Twitter, Facebook and Google Trends. - Olga Kolchyna (2017)