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Encyclopedia > Metaphone

Metaphone is a phonetic algorithm, an algorithm for indexing words by their sound, when pronounced in English. A phonetic algorhitm is an algorithm for indexing of words by their pronunciation, generally used for English language. ...


Metaphone was developed by Lawrence Philips as a response to deficiencies in the Soundex algorithm. It is more accurate than Soundex because it "understands" the basic rules of English pronunciation. Metaphone is available as a built-in operator in a number of systems, including later versions of PHP. Lawrence Philips is the Author of the Metaphone Algorithm ... Soundex is a phonetic algorithm for indexing names by their sound when pronounced in English. ... Soundex is a phonetic algorithm for indexing names by their sound when pronounced in English. ... PHP is an open-source, reflective programming language used mainly for producing dynamic web content and server-side applications. ...


The original author later produced a new version of the algorithm, which he named Double Metaphone, that produces more accurate results than the original algorithm. The Double Metaphone search algorithm is a phonetic algorithm written by Lawrence Philips and is the second generation of his Metaphone algorithm. ...


The algorithm produces keys as its output. Similar sounding words share the same keys and are of variable length.


See also

The Double Metaphone search algorithm is a phonetic algorithm written by Lawrence Philips and is the second generation of his Metaphone algorithm. ... In information theory, the Levenshtein distance or edit distance between two strings is given by the minimum number of operations needed to transform one string into the other, where an operation is an insertion, deletion, or substitution. ... Soundex is a phonetic algorithm for indexing names by their sound when pronounced in English. ...

External links

  • Survey of Phonetic Matching
  • Open Source Spell Checker
  • Page for PHP implementation of Metaphone
  • Project Dedupe http://dedupe.sourceforge.net

Downloadable Implementations


  Results from FactBites:
 
PHP: metaphone - Manual (541 words)
The metaphone generated keys are of variable length.
Metaphone was developed by Lawrence Philips .
A C implementation of double metaphone is at http://www.cpan.org/modules/ by-authors/id/MAURICE/Text-DoubleMetaphone-0.07.tar.gz.
Metaphone - Wikipedia, the free encyclopedia (163 words)
Metaphone is a phonetic algorithm, an algorithm for indexing words by their sound, when pronounced in English.
Metaphone was developed by Lawrence Philips as a response to deficiencies in the Soundex algorithm.
Metaphone is available as a built-in operator in a number of systems, including later versions of PHP.
  More results at FactBites »


 

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