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Looking at the whole data model at once can be overwhelming, so we'll consider it as a few smaller simpler systems:
- Bibliographic metadata
- 187176996Licensing187176996
- Works187176996
- Custom lists
- 187176996Libraries
- Patrons187176996
- Site configuration
- 187176996Background processes
These systems overlap around a few key classes, mainly DataSource, Identifier, LicensePool, and Work.
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