the new science of sentiment analysis. This relies on the creation of vast databases in which words are marked as either positive or negative and associated with one of the eight fundamental emotions: joy, trust, fear, surprise, sadness, disgust, anger and anticipation.It is then a relatively simple matter to data mine a corpus of digital text to see which emotions dominate. A growing number of companies are using this kind of analysis to monitor the emotions associated with tweets about their products, for example.

Data Mining Reveals the Emotional Differences in Emails Written by Men and Women — The Physics arXiv Blog — Medium Saturday, December 28, 2013 @ 10:32pm