The trouble with warehouses 30% of data migration projects fail (Source: Standish Group) 50% of data warehousing / Business Intelligence projects fail (Source: NCR) “ Warehouses work? Piffle. They never manage to maintain synchrony with the source data. Mostly they fall down of their own weight!” Graham Cameron, EMBL-EBI "Our ability to capture and store data far outpaces our ability to process and exploit it. This growing challenge has produced a phenomenon we call the data tombs, or data stores that are effectively write-only; data is deposited to merely rest in peace, since in all likelihood it will never be accessed again. Data tombs also represent missed opportunities." Usamma Fayyad Yahoo! Research! Laboratories! We believe that attempts to solve the issues of scientific data management by building large, centralised, archival repositories are both dangerous and unworkable” Microsoft 2020 Science report.