Google Refine

Version: 2.0 || Release Date: 2010-12-07 || License: BSD License App Owner: rogerh

Google Refine is a power tool for working with messy data, cleaning it up, transforming it from one format into another, extending it with web services, and linking it to databases like Freebase.

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1 Opinion

This is really cool if you have to deal with messy data sets regularily. And in the real world, data sets are mostly messy.