examines how text is extracted from various web sites and services. Section 3 deals with the basics of text analytics such as dictionaries, lexicons, mood scoring, and summarization of text. This is followed by the analytics of text classification in Section 4. The performance of text analytic algorithms is assessed using a range of metrics in Section 5. A survey of the empirical literature on text mining in finance and the commercialization of textual analytics is discussed in Section 6. Finally, the author takes a look at the future of text analytics in Section 7.

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