Mumbles Lighthouse on outer island
E396124
Mumbles Lighthouse on outer island is a historic coastal beacon off the Mumbles headland near Swansea, Wales, known for guiding ships entering Swansea Bay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mumbles Lighthouse on outer island canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3861671 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mumbles Lighthouse on outer island Context triple: [Mumbles, notableFor, Mumbles Lighthouse on outer island]
-
A.
Mull of Galloway Lighthouse
Mull of Galloway Lighthouse is a historic coastal lighthouse situated at the southernmost point of Scotland, overlooking the Irish Sea and serving as a prominent navigational landmark.
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B.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
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C.
Bressay Lighthouse
Bressay Lighthouse is a historic coastal beacon on the island of Bressay in Shetland, Scotland, guiding ships entering Lerwick Harbour since the mid-19th century.
-
D.
Flamborough Head Lighthouse
Flamborough Head Lighthouse is a historic coastal beacon on England’s Yorkshire coast that guides shipping through the North Sea and marks the prominent chalk headland of Flamborough Head.
-
E.
Calf of Man Lighthouse
Calf of Man Lighthouse is a coastal navigational beacon located on the small island of Calf of Man, off the southwest coast of the Isle of Man in the Irish Sea.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mumbles Lighthouse on outer island Target entity description: Mumbles Lighthouse on outer island is a historic coastal beacon off the Mumbles headland near Swansea, Wales, known for guiding ships entering Swansea Bay.
-
A.
Mull of Galloway Lighthouse
Mull of Galloway Lighthouse is a historic coastal lighthouse situated at the southernmost point of Scotland, overlooking the Irish Sea and serving as a prominent navigational landmark.
-
B.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
-
C.
Bressay Lighthouse
Bressay Lighthouse is a historic coastal beacon on the island of Bressay in Shetland, Scotland, guiding ships entering Lerwick Harbour since the mid-19th century.
-
D.
Flamborough Head Lighthouse
Flamborough Head Lighthouse is a historic coastal beacon on England’s Yorkshire coast that guides shipping through the North Sea and marks the prominent chalk headland of Flamborough Head.
-
E.
Calf of Man Lighthouse
Calf of Man Lighthouse is a coastal navigational beacon located on the small island of Calf of Man, off the southwest coast of the Isle of Man in the Irish Sea.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
coastal beacon
ⓘ
lighthouse ⓘ maritime navigation aid ⓘ |
| access | by causeway at low tide ⓘ |
| architecturalFeature | cylindrical tower ⓘ |
| automated | 20th century ⓘ |
| category |
Buildings and structures in Swansea
ⓘ
Grade II listed lighthouses ⓘ Lighthouses in Wales ⓘ |
| constructionEndDate | 1794 ⓘ |
| constructionStartDate | 1792 ⓘ |
| country |
United Kingdom
ⓘ
Wales ⓘ |
| function | aid to navigation ⓘ |
| hasFeature |
attached keeper’s dwelling
ⓘ
gallery ⓘ lantern room ⓘ |
| hasNameInEnglish | Mumbles Lighthouse ⓘ |
| heritageDesignation | listed building in Wales ⓘ |
| heritageStatus | Grade II listed building ⓘ |
| inception | 1794 ⓘ |
| lightingUpdatedTo |
electric light
ⓘ
gas lighting ⓘ oil lamps ⓘ |
| locatedIn |
Mumbles
ⓘ
Mumbles headland area ⓘ Swansea Bay ⓘ |
| locatedInAdministrativeTerritory | City and County of Swansea ⓘ |
| locatedInBodyOfWater | Bristol Channel ⓘ |
| locatedNear | Swansea ⓘ |
| locatedOff | Mumbles Head ⓘ |
| locatedOn |
Outer Island
ⓘ
rocky islet ⓘ |
| managingOrganisation | Trinity House ⓘ |
| materialUsed | stone ⓘ |
| nearbySettlement |
Swansea
ⓘ
The Mumbles ⓘ |
| notableFor |
historic role in Swansea Bay shipping
ⓘ
prominent landmark of Mumbles headland ⓘ |
| operator | Trinity House ⓘ |
| originalLighting | two open coal‑fired braziers ⓘ |
| purpose |
to guide ships entering Swansea Bay
ⓘ
to warn shipping of hazards off Mumbles Head ⓘ |
| region | South Wales ⓘ |
| usedFor |
coastal navigation
ⓘ
safety of maritime traffic in Bristol Channel ⓘ |
| visibleFrom | Swansea Bay ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Mumbles Lighthouse on outer island Description of subject: Mumbles Lighthouse on outer island is a historic coastal beacon off the Mumbles headland near Swansea, Wales, known for guiding ships entering Swansea Bay.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.