News Analytics & Strategies deals with the tools and techniques of analyzing news and the quantification of news -- based on, for example -- positive or negative sentiment, relevance to financial assets, and the amount of novelty in the content.
Textual Analysis, Dictionaries, and 10-Ks: Validating Loughran and McDonald (2010)
D.Du, A.Dugar, T.Xu
Bloomberg Social Velocity
Y.Zheng, K.Wang, N.Li