Text Preprocessing For Unsupervised Learning: Why It Matters, When It Misleads, And What To Do About It

An algorithm for suffix stripping

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Text as Data: The Promise and Pitfalls of Automatic Content Analysis Methods for Political Texts

Justin Grimmer, Brandon Stewart · Political Analysis · 2013 · 3.2K citations · Full text

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Thumbs up? Sentiment Classification using Machine Learning Techniques

Bo Pang, Lillian Lee, Shivakumar Vaithyanathan · ArXiv.org · 2002 · 2.2K citations · Full text

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Structural Topic Models for Open‐Ended Survey Responses

Margaret E. Roberts, Brandon Stewart, Dustin Tingley et al. · American Journal of Political Science · 2014 · 1.9K citations

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Reading Tea Leaves: How Humans Interpret Topic Models

Jonathan Chang, Sean Gerrish, Chong Wang et al. · 2009 · 1.9K citations

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