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Does anyone know where code can be found for Metaphone 3 matching for T-SQL or at least something that describes in detail the difference between Double Metaphone and Metaphone 3? I have been working on evaluating different matching algorithms in SQL Server and would like to see how this algorithm performs but can find very little information on it.

I_AM_JARROD
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2 Answers2

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Metaphone-3 is a commercial product from http://www.amorphics.com/.

bmargulies
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There's a Java implementation of Metaphone3 in the source code of OpenRefine, which is a BSD-Licensed former Google product: Metaphone3.java.

Matthias Winkelmann
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