Using the tools described above, lexical analysis can paint rich pictures of writers, as well as their larger context—the communities they identify with, the individuals or communities they intend to reach with their words, and possible shifts in ideology or viewpoints over time. Lexical analysis increasingly involves the collection of corpora from the Internet, where people share, post, tweet, and in a myriad of other ways express opinions and share thoughts every day. The use of this method and its application to intelligence collection will almost certainly continue to expand as tools such as natural language processing and machine learning for sentiment and stance analysis continue to improve.


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