The area for controlled detecting and correcting (or removing) corrupt or inaccurate records from a record set, table, or database. Used mainly in databases, the term refers to identifying incomplete, incorrect, inaccurate, irrelevant, etc. parts of the data and then replacing, modifying, or deleting this dirty data or coarse data. The controlled ability to track the data modification of data(sets) is necessary for data trailing / audits, meeting conditions of certain grants and is key for monitors. The licence agreement can require that appropriate corrections are proposed/made to correct/improve the source data.

Source: NFU - D4LS versie 0.8 van 24-10-2016 
0.1 5/23/17​

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