Calf of Man Lighthouse
E259026
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Calf of Man Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2339663 — 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: Calf of Man Lighthouse Context triple: [Calf of Man, hasLighthouse, Calf of Man Lighthouse]
-
A.
Admiralty Head Lighthouse
Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
-
B.
St Catherine's Lighthouse
St Catherine's Lighthouse is a historic coastal beacon on the southern tip of England’s Isle of Wight, guiding ships through the English Channel.
-
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.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
-
E.
Poolbeg Lighthouse
Poolbeg Lighthouse is a historic red-painted lighthouse marking the entrance to Dublin Bay in Dublin, Ireland.
- 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: Calf of Man Lighthouse Target entity description: 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.
-
A.
Admiralty Head Lighthouse
Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
-
B.
St Catherine's Lighthouse
St Catherine's Lighthouse is a historic coastal beacon on the southern tip of England’s Isle of Wight, guiding ships through the English Channel.
-
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.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
-
E.
Poolbeg Lighthouse
Poolbeg Lighthouse is a historic red-painted lighthouse marking the entrance to Dublin Bay in Dublin, Ireland.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
coastal navigational aid
ⓘ
lighthouse ⓘ |
| access | accessible only by boat ⓘ |
| associatedWith |
Calf of Man
ⓘ
Isle of Man maritime navigation ⓘ |
| category | Lighthouses in the Isle of Man ⓘ |
| classification | coastal lighthouse ⓘ |
| country |
Isle of Man (crown dependency)
ⓘ
surface form:
Isle of Man
|
| function |
to mark the approaches to the southwest of the Isle of Man
ⓘ
to warn ships of hazards around the Calf of Man ⓘ |
| heritage | part of the maritime navigation system of the Isle of Man ⓘ |
| locatedIn |
Calf of Man
ⓘ
surface form:
Calf of Man, Isle of Man
|
| locatedInArchipelago | British Isles ⓘ |
| locatedInBodyOfWater | Irish Sea ⓘ |
| locatedOffCoastOf |
Isle of Man (crown dependency)
ⓘ
surface form:
Isle of Man
southwest coast of the Isle of Man ⓘ |
| locatedOn | Calf of Man ⓘ |
| navigationalRole |
assists vessels transiting the Irish Sea
ⓘ
marks dangerous waters around the Calf of Man ⓘ |
| nearbyIsland |
Isle of Man (crown dependency)
ⓘ
surface form:
Isle of Man
|
| operationalArea | waters southwest of the Isle of Man ⓘ |
| ownedBy |
Isle of Man Government
ⓘ
surface form:
Isle of Man authorities
|
| purpose | aid to navigation ⓘ |
| region | Irish Sea ⓘ |
| situatedOnIsland | Calf of Man ⓘ |
| structureType | light tower ⓘ |
| surroundings |
rocky coastline
ⓘ
strong tidal currents ⓘ |
| visibilityFrom | sea ⓘ |
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: Calf of Man Lighthouse Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.