See Wikidata:WikiProject_ShEx and how to validate data sources.....
As we have problem linking in Wikipedia/Wikidata because of data quality we will run into even bigger issues when doing Federated search. I guess a "old" system like LIBRIS see [[T199998]] that also is converted into a BIBFRAME look a like I guess could have some surprises
Maybe this is a tool for this project see
- presentation in Berlin 2017 / session / Etherpad
- Github ShEx/wikidata/
- W3C Shape Expressions (ShEx) Primer Draft Community Group Report 08 June 2018
- Wikidata:WikiProject_ShEx