2015_acl_teaparty.tex

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\title{Tea Party in the House: A Hierarchical Ideal Point Topic Model
  \\and Its Application to Republican Legislators in the 112\textsuperscript{th} Congress}


\author{Viet-An Nguyen \\
 Computer Science \\
 University of Maryland\\
 College Park, \textsc{md} \\
\electronicmail{vietan@cs.umd.edu}
 \\\And
 Jordan Boyd-Graber \\
 Computer Science \\
 University of Colorado\\
 Boulder, \textsc{co} \\
\electronicmail{Jordan.Boyd.Graber} \\
\electronicmail{@colorado.edu}
 \\\And
 Philip Resnik \\
 Linguistics \& UMIACS\\
 University of Maryland\\
 College Park, \textsc{md} \\
\electronicmail{resnik@umd.edu}
\\\And
 Kristina Miler \\
 Government and Politics \\
 University of Maryland \\
 College Park, \textsc{md} \\
\electronicmail{kmiler@umd.edu}
}

\date{}

\begin{document}
\maketitle
\begin{abstract}

  We introduce the \textit{Hierarchical Ideal Point Topic Model}, which provides
  a rich picture of policy issues, framing, and voting behavior using a joint
  model of votes, bill text, and the language that legislators use when debating
  bills.  We use this model to look at the relationship between Tea Party
  Republicans and ``establishment'' Republicans in the \us{} House of
  Representatives during the 112\textsuperscript{th} Congress.

\end{abstract}

\latexfile{10-intro}
\latexfile{20-model}
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\latexfile{40-prediction}
\latexfile{50-analyze_idealpoints}
\latexfile{60-analyze_hierarchy}
\latexfile{70-conclusion}

\section*{Acknowledgements}

This work was supported by the \abr{nsf} Grant \abr{iis}-1211153 and \abr{iis}-1409287.
Boyd-Graber is also supported by \abr{nsf} grants \abr{iis}-1320538
and \abr{ncse}-1422492. Any opinions, findings, conclusions, or
recommendations expressed here are those of the authors and do not
necessarily reflect the view of the sponsor.

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