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<H1>trie</H1>
<P>
(data structure)

<P>
<strong>Definition:</strong>
A <a href="tree.html" tppabs="http://hissa.nist.gov/dads/HTML/tree.html"><em>tree</em></a> for storing <a href="string.html" tppabs="http://hissa.nist.gov/dads/HTML/string.html"><em>strings</em></a> in which each  <a href="edge.html" tppabs="http://hissa.nist.gov/dads/HTML/edge.html"><em>edge</em></a> is labeled by characters.  Common prefixes are represented by tree branches, and the unique suffixes are stored at the  <a href="leaf.html" tppabs="http://hissa.nist.gov/dads/HTML/leaf.html"><em>leaves</em></a>.
<P><strong>See also</strong>
<a href="digitaltree.html" tppabs="http://hissa.nist.gov/dads/HTML/digitaltree.html"><em>digital tree</em></a>, <a href="digitalsrch.html" tppabs="http://hissa.nist.gov/dads/HTML/digitalsrch.html"><em>digital search tree</em></a>, <a href="patriciatree.html" tppabs="http://hissa.nist.gov/dads/HTML/patriciatree.html"><em>Patricia tree</em></a>, <a href="suffixtree.html" tppabs="http://hissa.nist.gov/dads/HTML/suffixtree.html"><em>suffix tree</em></a>.
<P><em>Note:
The name comes from re<em>trie</em>val and is pronounced, "tree."</em>
<P>Author: <a href="terms.html#authorPEB" tppabs="http://hissa.nist.gov/dads/terms.html#authorPEB">PEB</a>
<H2>Implementation</H2>
<a href="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.dcc.uchile.cl/%7Eoalonso/handbook/algs/3/344.ins.c.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.dcc.uchile.cl/%7Eoalonso/handbook/algs/3/344.ins.c.html'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.dcc.uchile.cl/%7Eoalonso/handbook/algs/3/344.ins.c.html">insert (C)</a>, <a href="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.dcc.uchile.cl/%7Eoalonso/handbook/algs/3/344.srch.c.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.dcc.uchile.cl/%7Eoalonso/handbook/algs/3/344.srch.c.html'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.dcc.uchile.cl/%7Eoalonso/handbook/algs/3/344.srch.c.html">search (C)</a>

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<a href="javascript:if(confirm('http://hissa.nist.gov/~black/black.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://hissa.nist.gov/~black/black.html'" tppabs="http://hissa.nist.gov/~black/black.html">Paul E. Black</a>
&nbsp;(<a href="mailto:paul.black@nist.gov">paul.black@nist.gov</a>).

<p>
Entry modified Mon Mar 15 15:25:47 1999.<BR>
HTML page formatted Wed Dec 22 09:36:46 1999.

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