Updated definitions: https://ib1.org/open-shared-closed

Development dialogue https://agentgav.medium.com/data-spectrum-language-evolution-8108d07b04be 

History of the development of the Data Spectrum https://agentgav.medium.com/the-data-spectrum-defining-shared-closed-4218f29680e7

Original sources of the design created by Adrian Philpott and I are available for download here from the ODI. Quick copy/paste versions below:

The Data Spectrum — understanding Open, Shared and Closed data

The Data Spectrum for the Energy sector

Co-designed by Icebreaker One and the ODI