emnlp emnlp2013 emnlp2013-129 emnlp2013-129-reference knowledge-graph by maker-knowledge-mining
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Author: Yanchuan Sim ; Brice D. L. Acree ; Justin H. Gross ; Noah A. Smith
Abstract: We seek to measure political candidates’ ideological positioning from their speeches. To accomplish this, we infer ideological cues from a corpus of political writings annotated with known ideologies. We then represent the speeches of U.S. Presidential candidates as sequences of cues and lags (filler distinguished only by its length in words). We apply a domain-informed Bayesian HMM to infer the proportions of ideologies each candidate uses in each campaign. The results are validated against a set of preregistered, domain expertauthored hypotheses.
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