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Following the successful conclusion of the second GSIM Sprint, the High-Level Group for Strategic Developments in Business Architecture in Statistics authorised the release of version 0.4 of the GSIM document for public consultation.

Overview of GSIM DocumentationDocumentation of GSIM has been layered to address the needs of different audiences, from general readers who want a broad understanding of GSIM to developers who want to ensure an implementation they are developing is fully consistent with the GSIM Reference Model.

The documentation consists of 3 Layers. 1. GSIM: Overview Layer- The layer consists of a document that contains general information about the scope and purpose of GSIM, why it is needed, the expected benefits, as well as an introduction to the structure and content of the model. This document is aimed at top managers. The Overview Layer also helps other readers (e.g. target audiences beyond statistical agencies) understand whether GSIM is relevant for them and whether they should explore the other layers. (This document was released as part of GSIM v0.4)
2. GSIM: Communication Layer - This layer is aimed at subject matter statisticians, methodologists, process designers, business architects etc. It consists of one main paper with a number of annexes. It provides more detailed information about the information represented in GSIM (including definitions and diagrams of lower level objects), descriptions of how the model could be used and use cases and descriptions of relationships to other models and standards. (This document was released as part of GSIM v0.4)*3. GSIM: Specification Layer- This layer is aimed at metadata specialists, information architects and solutions architects. This document will be drafted as part of the next iteration of development and will include: definitions, attributes and relationships for each information object in GSIM; detailed mappings of the information objects to SDMX and DDI; technical implementation guidelines and UML diagrams. *(This document wwill be part of future GSIM releases)

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