| http://www.w3.org/ns/prov#value | - Extract, Transform, and LoadIn computing, extract, transform and load (ETL) refers to a process in database usage and especially in data warehousing that involves: 1) extracting data from outside sources 2) transforming it to fit operational needs (which can include quality levels) 3) loading it into the end target (the database or, more specifically, operational data store, data mart, or data war
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