Vocabulary
schema.org
Schema.org
Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.
Source & access
- homepage schema.org HTTP 200
- download schema.org HTTP 200
Portals & registries
| Source | ID | Version | Classes | Properties | Individuals | Loaded |
|---|---|---|---|---|---|---|
| OLS (EMBL-EBI) | schemaorg_http | — | 1,017 | 1,696 | 0 | 25 Oct 2026 |
Ontology IRI http://schema.org/
Languages en
Reused by (11)
CCF EMI ENM ENVO FOODON HRA NGBO ORTH PCL PROCO TFO
- Logical consistency (ROBOT ELK)
- consistent · 0 unsatisfiable
- ROBOT report
- 4 errors · 2,542 warnings
OOPS!: 1 critical · 2 important · 0 minor pitfall types
Also registered as
aberowl: SCHEMA biodivportal: SCHEMAORG bioportal: SCHEMA ols: schemaorg_http tib.ts: schema
Automated evaluation
- Persistent identifier (F1)no PURL / w3id / DOI for the artefact0
- Indexed in services (F4)3: OLS, BioPortal, Bioregistry+4
- Citable reference (F2)no reference publication listed0
- Homepage reachableHTTP 200+3
- Artefact retrievable over HTTP(S) (A1)download HTTP 200+6
- Metadata persists in a registry (A2)Bioregistry+3
- Formal machine-readable format (I1)RDF, Turtle, JSON-LD+5
- Semantic-web IRIs (I2)RDF, Turtle, JSON-LD+3
- References other vocabularies (I3)no imported vocabularies found0
- Clear license (R1.1)CC BY-SA 3.0+5
- Release provenance (R1.2)no version in artefact, registry or release tags0
- Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
- Logical consistencyconsistent, 0 unsatisfiable classes (ROBOT ELK in SchemaScope CI)+10
- OWL 2 DL profileoutside OWL 2 DL0
- Upper-ontology alignmentno BFO/COB/DOLCE import found0
- Standard relations (RO)does not import the Relation Ontology0
- ROBOT report: no errors4 errors0
- ROBOT report: warning density2542 warnings / 1017 classes = 2.500
- Pitfall scan: no critical pitfalls1 critical, 2 important, 0 minor pitfall types (SchemaScope Python scan (OOPS! pitfall subset))0
- Recencyno activity evidence0
- Release cadence (12 months)0 releases0
- Documented adopting projects0 projects0
- Reused by other ontologies82 vocabularies (LOV)+4
- Community signalmax(stars 0 → 0, citations 0 → 0)0
- No activity evidenceno commits, releases or dated files found-5
- Inactive statusnot archived, legacy or inactive0
- Consistencyconsistent, no unsatisfiable classes0
- Critical pitfalls1 critical pitfall type (P39) × 3-3
- ROBOT report errors4 errors against OBO conventions; not penalised (not an OBO-style ontology)0
FAIR subtotal 29/48 · earned 43/100 − 8 inactivity = 35/100 → grade E
Community adoption 0
No adopting projects documented yet.
Know a project that uses schema.org? Suggest it.
History & changes 1 run
History starts with the first archived run; changes appear after the next evaluation.
| Run | Score | FAIR | Version evaluated | Terms | Snapshot |
|---|---|---|---|---|---|
| 26 Oct 2026, 03:31 UTC | 35 E | 29 | — | 1,017 | JSON |
Provenance
Every fact on this page was fetched automatically. Each row shows where it came from and when. If a source fails, the last good value is kept and marked “carried forward”.
| Fact | Source | Retrieved |
|---|---|---|
| Homepage link check (HTTP 200) | schema.org | 26 Oct 2026, 03:20 UTC |
| Download link check (HTTP 200) | schema.org | 26 Oct 2026, 03:20 UTC |
| Artefact header | schema.org | 26 Oct 2026, 03:20 UTC |
| OLS classes, imports, version & release | ebi.ac.uk | 26 Oct 2026, 03:20 UTC |
| Bioregistry mappings, dependencies & reuse | bioregistry.io | 26 Oct 2026, 03:20 UTC |
| ROBOT reason/report in SchemaScope CI | — | 25 Oct 2026, 21:54 UTC |
| OOPS! pitfall scan | oops.linkeddata.es | 25 Oct 2026, 21:55 UTC |
Run 2026-10-26T02-37-38Z · evaluator v2.0.0 · rubric v3.4 · entry.json · run snapshot