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\documentclass{acmabs}

\begin{document}

\Journal{Journal of the ACM}

\refkey{CallahanK95}

\title{A Decomposition of Multidimensional Point Sets with Applications to
  {$k$}-Nearest-Neighbors and {$n$}-Body Potential Fields}

\author{Paul~B. Callahan \and S.~Rao Kosaraju}

\Pages{67--90}

\Month{January}

\Year{1995}

\Volume{42}

\Number{1}

\maketitle

\begin{abstract}

We define the notion of a \emph{well-separated pair decomposition} of points in
  $d$-dimensional space. We then develop efficient sequential and parallel
  algorithms for computing such a decomposition. We apply the resulting
  decomposition to the efficient computation of $k$-nearest neighbors and
  $n$-body potential fields.

\end{abstract}

\begin{categories}

F.2.2[geometrical problems and computation]; F.1.2[parallelism and concurrency]

\end{categories}

\begin{terms}

Algorithms, Theory

\end{terms}

\begin{keywords}

All nearest neighbors, fast multipole method

\end{keywords}

\end{document}
