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OCA schema bases contain a "classification" meta attribute to enable industry sector tagging for the purposes of categorization.
OCA resources:
- OCA website - https://oca.colossi.network
- OCA Editor - https://editor.oca.argo.colossi.network
- OCA Repository - https://repository.oca.argo.colossi.network
- OCA source code - https://github.com/thclab
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