Example: bankruptcy
Introduction to Sentiment Analysis
Data sets Self-annotated data – Data has “built in” ordinal or binary labeling of some kind to complement NL text, ideally by the author of the text. – E.g. Amazon reviews (1-5 stars) – Pitchfork.com record reviews (0.0-10.0 range) Hand-annotated data – Annotated independently of the author – Usually labor intensive
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