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Automatic Detection Of Idiomatic Clauses, Anna Feldman, Jing Peng
Automatic Detection Of Idiomatic Clauses, Anna Feldman, Jing Peng
Department of Linguistics Faculty Scholarship and Creative Works
We describe several experiments whose goal is to automatically identify idiomatic expressions in written text. We explore two approaches for the task: 1) idiom recognition as outlier detection; and 2) supervised classification of sentences. We apply principal component analysis for outlier detection. Detecting idioms as lexical outliers does not exploit class label information. So, in the following experiments, we use linear discriminant analysis to obtain a discriminant subspace and later use the three nearest neighbor classifier to obtain accuracy. We discuss pros and cons of each approach. All the approaches are more general than the previous algorithms for idiom detection …