A Comparative Study of Text Preprocessing Approaches for Topic Detection of User Utterances

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Knowledge Triples

Source Entity	Relationship	Target Entity
Classification Techniques Method	uses	Dimensionality Reduction Methods Method
Classification Techniques Method	uses	Term Weighting Methods Method
Corpus 1 Material	provides	TextPreprocessing Method
Corpus 2 Material	provides	TextPreprocessing Method
Dimensionality Reduction Methods Method	includes	Feature Selection Method
Dimensionality Reduction Methods Method	includes	Feature Transformation Method
Dimensionality Reduction Methods Method	includes	Stop Words Filtering Method
KNN Method	isA	Classification Techniques Method
TextPreprocessing Method	appliesTo	Classification Techniques Method