1. www.jrc.ec.europa.eu Serving society Stimulating innovation Supporting legislation INSPIRE Registry Versioning

2. Languages Hierarchy Item URIs 226 November 2015 Versioning

3. 326 November 2015 Item EN FR DE Versioning level Register Item Registry Register...

4. 426 November 2015 Item EN FR DE Versioning level Register Item Registry Register... Clarification no new versions Supersesion Retirement Invalidation new versions Proposal: versioning at items level  Keep changelog  Enable searching for items changed before/after a certain date

5. Relations between collection-parent and collection-item (Example: codelist - codevalue) parent and child item 26 November 2015 Hierarchy Item collection Codelist register Codelist Codevalue Codelist Codevalue Hierarchy

6. Parent increase the version every time a child increase the version Pro: all the children's changes are reflected to the parent; Cons: the parent’s version may rapidly increase, bigger database. Parent keeps its version even if a children change its version Pro: smaller database, less complexity of the versioning system; Cons:the contained item‘s changes are reflected only at that item’s level; at the parent level no changes seems to be done. 626 November 2015 Hierarchy : parent-child

7. If a item is retired, all the collection items / children linked to it will be retired If a collection father/parent is retired, there could be the possibility to choose what to do with the collection item / children:  Retire too  Keep and link to other collection father/parent 726 November 2015 Hierarchy : item retirement

8. The item’s URI contains the reference to the version concatenating the URI name to the version number: URIname: reference to the latest version. URIname_v1: reference to the specific version; 826 November 2015 Items URI http://inspire.ec.europa.eu/theme/ad_1 http://inspire.ec.europa.eu/theme/ad

9. 926 November 2015 Questions? Thank you Feedback? inspire-registry-dev@jrc.ec.europa.eu Feedback tool: http://inspire.ec.europa.eu/useresponse/registry