Are there free, low cost, or open source tools for matching name/address data?

Posted by luiscolorado on Stack Overflow See other posts from Stack Overflow or by luiscolorado
Published on 2010-05-10T18:46:55Z Indexed on 2010/05/10 19:14 UTC
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This question is related to Tools for matching name/address data. There is a number commercial tools provided by SAS, Oracle, Microsoft, etc., that allow to de-duplicate or merging names of individuals or companies coming from multiple sources.

However, after reading the answers to the question mentioned before, I wondered why a seemingly interesting problem didn't receive any answers mentioning open source projects that could tackle the problem.

Are you aware of any open source projects or algorithms to implement the so called "record linking", "record merging", or "clustering"?

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