\documentclass[10pt,twocolumn]{article}

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% - ACM/SIGIR/CIKM: acmart
% - ECIR: Springer LNCS llncs
% - ACL/EMNLP: acl.sty

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\usepackage{times}
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\usepackage{graphicx}
\usepackage{booktabs}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{xcolor}
\usepackage[hidelinks]{hyperref}
\usepackage{enumitem}
\usepackage{array}
\usepackage[font=small,labelfont=bf]{caption}
\usepackage[compact]{titlesec}

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\title{When Does Lexical Search Help Late-Interaction Retrieval?}

\author{
  Rutvik Acharya \\
  ML \& AI Engineer, Atlassian \\
  \texttt{rutvik25@gmail.com}
}

\date{}

\begin{document}
\maketitle

\begin{abstract}
\input{sections/abstract}
\end{abstract}

\section{Introduction}
\input{sections/introduction}

\section{Related Work}
\input{sections/related_work}

\section{Method}
\input{sections/method}

\section{Experimental Setup}
\input{sections/experiments}

\section{Results}
\input{sections/results}

\section{Analysis}
\input{sections/analysis}

\section{Limitations}
\input{sections/limitations}

\section{Conclusion}
\input{sections/conclusion}

\twocolumn[
\appendix
\section{Reproducibility Details}
\input{sections/appendix}
]

\clearpage
\bibliographystyle{plain}
\bibliography{references}

\end{document}