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<H1>collision resolution scheme</H1>
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(algorithm)

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<strong>Definition:</strong>
A way of handling <a href="collision.html" tppabs="http://hissa.nist.gov/dads/HTML/collision.html"><em>collisions</em></a>, that is, when two or more items should be kept in the same location, esp. in a <a href="hashtab.html" tppabs="http://hissa.nist.gov/dads/HTML/hashtab.html"><em>hash table</em></a>. The general ways are keeping subsequent items within the table  (<a href="openaddress.html" tppabs="http://hissa.nist.gov/dads/HTML/openaddress.html"><em>open addressing</em></a>), keeping a list for items which collide (<a href="directchhash.html" tppabs="http://hissa.nist.gov/dads/HTML/directchhash.html"><em>direct chaining hashing</em></a> or <a href="separatchain.html" tppabs="http://hissa.nist.gov/dads/HTML/separatchain.html"><em>separate chaining hashing</em></a>), keeping a special overflow area, etc.  <a href="perfecthash.html" tppabs="http://hissa.nist.gov/dads/HTML/perfecthash.html"><em>Perfect hashes</em></a> avoid collisions, but may be time-consuming to create.
<P>Author: <a href="terms.html#authorPEB" tppabs="http://hissa.nist.gov/dads/terms.html#authorPEB">PEB</a>

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Entry modified Tue May 18 11:40:08 1999.<BR>
HTML page formatted Wed Dec 22 09:34:59 1999.

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