Ontology

BIBO

The Bibliographic Ontology

The Bibliographic Ontology Specification provides main concepts and properties for describing citations and bibliographic references (i.e. quotes, books, articles, etc) on the Semantic Web.

bibliometricscatalogsontology
C55

FAIR 29/48

Version http://purl.org/ontology/bi…

Evaluated 26 Oct 2026

How scores work

Source & access

Automated evaluation

F Findable FAIR5/12
  • Persistent identifier (F1)purl.org+4
  • Indexed in services (F4)1: Bioregistry+1
  • Citable reference (F2)no reference publication listed0
A Accessible FAIR12/12
  • Homepage reachableHTTP 200+3
  • Artefact retrievable over HTTP(S) (A1)download HTTP 200+6
  • Metadata persists in a registry (A2)Bioregistry+3
I Interoperable FAIR8/12
  • Formal machine-readable format (I1)OWL, Turtle+5
  • Semantic-web IRIs (I2)OWL, Turtle+3
  • References other vocabularies (I3)no imported vocabularies found0
R Reusable FAIR4/12
  • Clear license (R1.1)none found0
  • Release provenance (R1.2)http://purl.org/ontology/bibo/1.3/ (version info in the artefact)+4
  • Community standards (R1.3)no independent compliance report (not on the OBO Dashboard)0
Q Ontology consistency & quality11/20
  • 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 errors54 errors0
  • ROBOT report: warning density157 warnings / 1 classes = 157.000
  • Pitfall scan: no critical pitfalls0 critical, 2 important, 2 minor pitfall types (SchemaScope Python scan (OOPS! pitfall subset))+1
M Maintenance10/16
  • Recency2026-09-15 → 1.3 months (≤ 3 months)+10
  • Release cadence (12 months)0 releases0
U Community adoption5/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies62 vocabularies (LOV)+4
  • Community signalmax(stars 6 → 1, citations 0 → 0)+1
P Penalties (inactivity & inconsistency)0
  • Time since last activity0.1 years → 4 × max(0, 0.1 − 1)0
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0
  • ROBOT report errors54 errors against OBO conventions; not penalised (not an OBO-style ontology)0

FAIR subtotal 29/48 · earned 55/100 = 55/100 → grade C

Community adoption 0

No adopting projects documented yet.

Know a project that uses BIBO? Suggest it.

History & changes 1 run

History starts with the first archived run; changes appear after the next evaluation.

RunScoreFAIRVersion evaluatedTermsSnapshot
26 Oct 2026, 03:31 UTC55 C29http://purl.org/ontology/bibo/1.3/—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”.

FactSourceRetrieved
Homepage link check (HTTP 200)purl.org26 Oct 2026, 02:40 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:40 UTC
Download link check (HTTP 200)purl.org26 Oct 2026, 02:40 UTC
Artefact header (version info)dublincore.org26 Oct 2026, 02:40 UTC
Git refs (commit bcdd0e0)github.com26 Oct 2026, 02:40 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:40 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:40 UTC
ROBOT reason/report in SchemaScope CI—25 Oct 2026, 21:57 UTC
OOPS! pitfall scanoops.linkeddata.es25 Oct 2026, 21:57 UTC

Run 2026-10-26T02-37-38Z · evaluator v2.0.0 · rubric v3.4 · entry.json · run snapshot