Schema.org alignment
CRediT in JSON-LD
For non-XML pipelines: headless publishing systems, repositories, discovery platforms, and CRIS systems consuming Schema.org.
A minimal author + roles object
Schema.org’s conformant way to attach a CRediT role to an author is the Role wrapper. roleName is a property of Role (its range is Text — the human-readable role name), not a property of Person. So the author is defined once as a Person whose @id is their ORCID iD, and each contribution is a Role object in a contributor array that references that author back by @id. The url on each Role resolves it to the canonical CASRAI role vocabulary page, and because every Role points at the same @id, a crawler resolves a single author entity rather than duplicating the person per role.
{
"@context": "https://schema.org",
"@type": "ScholarlyArticle",
"headline": "A note on reproducibility in clinical audit",
"author": {
"@type": "Person",
"@id": "https://orcid.org/0000-0002-1825-0097",
"name": "Dr Jordan Avery",
"url": "https://casrai.org/credit/authors/jordan-avery",
"sameAs": [
"https://orcid.org/0000-0002-1825-0097",
"https://casrai.org/credit/authors/jordan-avery"
]
},
"contributor": [
{
"@type": "Role",
"roleName": "Writing – original draft",
"url": "https://casrai.org/credit/roles/writing-original-draft",
"contributor": { "@id": "https://orcid.org/0000-0002-1825-0097" }
},
{
"@type": "Role",
"roleName": "Conceptualization",
"url": "https://casrai.org/credit/roles/conceptualization",
"contributor": { "@id": "https://orcid.org/0000-0002-1825-0097" }
}
]
}The CASRAI Verified Contributor Directory publishes each member as a Person with their roles expressed as Role objects using exactly this encoding, so an ORCID-verified profile is machine-readable to the same crawlers and discovery platforms that consume the markup above.
Per-role DefinedTerm
Each CRediT role page on this site emits a stand-alone DefinedTerm JSON-LD payload. This is what Google's Rich Results Test consumes for indexing.
{
"@context": "https://schema.org",
"@type": "DefinedTerm",
"@id": "https://casrai.org/credit/roles/investigation",
"name": "Investigation",
"identifier": "https://casrai.org/credit/roles/investigation",
"description": "Conducting a research and investigation process, specifically performing the experiments, or data/evidence collection.",
"inDefinedTermSet": "https://casrai.org/credit",
"url": "https://casrai.org/credit/roles/investigation",
"license": "https://creativecommons.org/licenses/by/4.0/"
}DefinedTermSet for the full CRediT vocabulary
{
"@context": "https://schema.org",
"@type": "DefinedTermSet",
"@id": "https://casrai.org/credit#set",
"name": "Contributor Roles Taxonomy (CRediT)",
"description": "14 standardised contributor roles for scholarly research outputs. ANSI/NISO Z39.104-2022.",
"url": "https://casrai.org/credit",
"license": "https://creativecommons.org/licenses/by/4.0/",
"version": "ANSI/NISO Z39.104-2022",
"identifier": "Z39.104-2022",
"hasDefinedTerm": [
{ "@id": "https://casrai.org/credit/roles/conceptualization" },
{ "@id": "https://casrai.org/credit/roles/data-curation" },
// ... 12 more
]
}
