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\documentclass{acmabs}

\begin{document}

\Journal{Journal of the ACM}

\refkey{AwerbuchP95}

\title{Online Tracking of Mobile Users}

\author{Baruch Awerbuch \and David Peleg}

\Month{September}

\Year{1995}

\Volume{42}

\Number{5}

\note{To appear}

\maketitle

\begin{abstract}

This paper deals with the problem of maintaining a distributed directory server
  that enables us to keep track of mobile users in a distributed network. The
  paper introduces the graph-theoretic concept of \emph{regional matching}, and
  demonstrates how finding a regional matching with certain parameters enables
  efficient tracking. The communication overhead of our tracking mechanism is
  within a polylogarithmic factor of the lower bound.

\end{abstract}

\begin{keywords}

Communication networks, mobile users, communication complexity, amortized
  analysis, regional matching

\end{keywords}

\end{document}
