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![]() | Riloff, Ellen M. | Learning extraction patterns for subjective expressions | This paper presents a bootstrapping process that learns linguistically rich extraction patterns for subjective (opinionated) expressions. High-precision classifiers label unannotated data to automatically create a large training set, which is then given to an extraction pattern learning algorithm. T... | Bootstrapping process; Extraction patterns; Subjective expressions; Opinions | 2003 |