Announcing Google Refine 2.0, a power tool for data wranglers - Google Open Source Blog - 0 views
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Google Refine is a power tool for working with messy data sets, including cleaning up inconsistencies, transforming them from one format into another, and extending them with new data from external web services or other databases.
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you can read how the Chicago Tribune, ProPublica and data.gov.uk have used it