<html lang="en"> <head> <title>Hidden Markov Model - GNU Aspell 0.60.6.1</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="description" content="Aspell 0.60.6.1 spell checker user's manual."> <meta name="generator" content="makeinfo 4.8"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="Notes-on-Various-Items.html#Notes-on-Various-Items" title="Notes on Various Items"> <link rel="prev" href="Word-skipping-by-context.html#Word-skipping-by-context" title="Word skipping by context"> <link rel="next" href="Email-the-Personal-Dictionary.html#Email-the-Personal-Dictionary" title="Email the Personal Dictionary"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- This is the user's manual for Aspell GNU Aspell is a spell checker designed to eventually replace Ispell. It can either be used as a library or as an independent spell checker. Copyright (C) 2000--2011 Kevin Atkinson. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". --> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <p> <a name="Hidden-Markov-Model"></a> Next: <a rel="next" accesskey="n" href="Email-the-Personal-Dictionary.html#Email-the-Personal-Dictionary">Email the Personal Dictionary</a>, Previous: <a rel="previous" accesskey="p" href="Word-skipping-by-context.html#Word-skipping-by-context">Word skipping by context</a>, Up: <a rel="up" accesskey="u" href="Notes-on-Various-Items.html#Notes-on-Various-Items">Notes on Various Items</a> <hr> </div> <h4 class="appendixsubsec">D.3.2 Hidden Markov Model</h4> <p>Knud Haugaard Sørensen suggested this one. From his email on the Aspell mailing list: <p>consider these examples: <pre class="example"> a fone number. -> a phone number. a fone dress. -> a fine dress. </pre> <p>the example illustrates that the right correction might depend on the context of the word. <p>So I suggested that you take a look on HMM to solve this problem. <p>This might also provide a good base to include grammar correction in Aspell. <p>see this link <a href="http://www.cse.ogi.edu/CSLU/HLTsurvey/ch1node7.html">http://www.cse.ogi.edu/CSLU/HLTsurvey/ch1node7.html</a>. <p>I think it is a great idea. However unfortunately it will probably be very complicated to implement. Perhaps in the far future. </body></html>