7.1 An introduction to text processing
For a general overview see (Ravi and Ravi 2015) and for a survey on some of the latest approaches to sentiment analysis including deep learning see (Zhang, Wang, and Liu 2018).
References
Ravi, Kumar, and Vadlamani Ravi. 2015. “A Survey on Opinion Mining and Sentiment Analysis: Tasks, Approaches and Applications.” Knowledge-Based Systems 89: 14–46.
Zhang, Lei, Shuai Wang, and Bing Liu. 2018. “Deep Learning for Sentiment Analysis: A Survey.” Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery 8 (4): e1253.