.owl
1 claimant
1 primary
0 secondary
unambiguous primary
SWH popularity
From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
602.2K
total occurrences
312.6K
since 2019 (51.9%)
2003–2023
years active
Case variants in archive: .owl (601.9K), .OWL (274), .Owl (23) — aggregated above.
Attribution status
This extension is attributed to Web Ontology Language; Web Ontology Language as primary by 2 authoritative claims.
Claimants (2)
Languages that list
.owl among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Web Ontology Language | linguist | primary |
| Web Ontology Language | wikidata | primary |
Wikidata says… (1)
File formats, image formats, audio codecs and other non-PL
entities that claim
.owl on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| Web Ontology Language Q826165 family of knowledge representation languages | file format; W3C Recommendation | — | application/owl+xml | — | Use as new PL ↗ |
SWH-mined examples (0)
No archived examples for .owl in our local mirror yet.