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OpenReferralUK / human-services

Extensions proposed by the English Local Government Association (LGA) and the local government OpenCommunity project to the OpenReferral standard for human services data. Schema generator code is given to express the schema in various formats. Data conversion routines to make it conform to the standard. API that serves the data in a format compliant with the standard.
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Should there be a "vocabulary" table? #4

Open esd-org-uk opened 4 years ago

esd-org-uk commented 4 years ago

At present all taxonomy terms are held in the "taxonomy" table. A select distinct is needed to retrieve a list of vocabularies.

We can see a need for a separate "vocabulary" table with a one to many to "taxonomy". The vocabulary table can hold a description of the taxonomy and possibly a link to the organization publishing it.

Hence an app for a specific organization could use its local vocabularies as well as generic vocabularies such as those maintained by the LGA.

MikeThacker1 commented 4 years ago

Note that we are using full URIs as identifiers for esd taxonomy terms, eg http://id.esd.org.uk/service/833 . If we had a vocabulary table, we could use namespaces/curies and resolve them via the vocabulary table.

MikeThacker1 commented 2 years ago

Version 2 of HSDS renamed the "Vocabulary" property of taxonomy terms to "taxonomy". Hence we need to consider a new table called "taxonomy". This can be kept backward compatible if the taxonomy identifier is only optional in the taxonomy_term table.