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| -rw-r--r-- | guide/src/entity_release.md | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/guide/src/entity_release.md b/guide/src/entity_release.md index 842e9d55..ca999b6e 100644 --- a/guide/src/entity_release.md +++ b/guide/src/entity_release.md @@ -135,27 +135,30 @@ complete or correct in more obscure cases. entities instead. - `isbn13` (string): external identifier for books. ISBN-9 and other formats should be converted to canonical ISBN-13. -- `pmid` (string): external identifier for PubMed database. These are bare +- `pmid` (string): external identifier for the PubMed database. These are bare integers, but stored in a string format. - `pmcid` (string): external identifier for PubMed Central database. These are integers prefixed with "PMC" (upper case), like "PMC4321". Versioned PMCIDs can also be stored (eg, "PMC4321.1"; future clarification of whether versions should *always* be stored will be needed. -- `core` (string): external identifier for the [CORE] open access - aggregator. These identifiers are integers, but stored in string format. +- `core` (string): external identifier for the [CORE][] open access + aggregator. Not used much in practice. These identifiers are integers, but + stored in string format. - `arxiv` (string): external identifier to a (version-specific) [arxiv.org][] work. For releases, must always include the `vN` suffix (eg, `v3`). -- `jstor` (string): external identifier for works in JSTOR. -- `ark` (string): ARK identifier +- `jstor` (string): external identifier for works in JSTOR which do not have a + valid registered DOI. +- `ark` (string): ARK identifier. - `mag` (DEPRECATED; string): Microsoft Academic Graph (MAG) identifier. As of December 2021, no entities in the catalog have a value for this field. - `doaj` (string): [DOAJ](https://doaj.org) article-level identifier - `dblp` (string): [dblp](https://dblp.org) article-level identifier - `oai` (string): OAI-PMH record id. Only use if no other identifier is available - `hdl` (string): [handle.net](https://handle.net) identifier. While DOIs are - technically handles, do not put DOIs in this field. Handles are transformed - to lower-case in database. + technically handles, do not put DOIs in this field. Handles are normalized + to lower-case in the catalog (server-side). +[CORE]: https://core.ac.uk/ [arxiv.org]: https://arxiv.org #### `extra` Fields |