Inchcape Rock Lighthouse
E461953
Inchcape Rock Lighthouse is a historic offshore lighthouse on the treacherous Bell Rock in the North Sea, renowned as one of the world’s oldest surviving sea-washed lighthouses and a major feat of early 19th-century engineering.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Inchcape Rock Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4609005 — 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: Inchcape Rock Lighthouse Context triple: [Inchcape, knownFor, Inchcape Rock Lighthouse]
-
A.
Inchkeith Lighthouse
Inchkeith Lighthouse is a historic navigational beacon situated on Inchkeith Island in Scotland, guiding maritime traffic through the Firth of Forth.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Highland Lighthouse
Highland Lighthouse is a historic coastal beacon in Truro, Massachusetts, known as Cape Cod’s oldest lighthouse and a prominent maritime navigation landmark.
- 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: Inchcape Rock Lighthouse Target entity description: Inchcape Rock Lighthouse is a historic offshore lighthouse on the treacherous Bell Rock in the North Sea, renowned as one of the world’s oldest surviving sea-washed lighthouses and a major feat of early 19th-century engineering.
-
A.
Inchkeith Lighthouse
Inchkeith Lighthouse is a historic navigational beacon situated on Inchkeith Island in Scotland, guiding maritime traffic through the Firth of Forth.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Highland Lighthouse
Highland Lighthouse is a historic coastal beacon in Truro, Massachusetts, known as Cape Cod’s oldest lighthouse and a prominent maritime navigation landmark.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
lighthouse ⓘ offshore lighthouse ⓘ sea-washed lighthouse ⓘ |
| alsoKnownAs | Bell Rock Lighthouse NERFINISHED ⓘ |
| associatedWith | Robert Stevenson family of engineers NERFINISHED ⓘ |
| automated | 1988 ⓘ |
| constructionEndDate | 1810 ⓘ |
| constructionMaterial | stone ⓘ |
| constructionStartDate | 1807 ⓘ |
| country |
Scotland
ⓘ
United Kingdom ⓘ |
| designedBy | Robert Stevenson NERFINISHED ⓘ |
| designedFor | withstand severe North Sea storms ⓘ |
| distanceFromShore | about 11 miles off the coast ⓘ |
| engineeringType | masonry lighthouse on submerged reef ⓘ |
| firstLit | 1811-02-01 ⓘ |
| focalHeight |
28 metres
ⓘ
about 92 feet ⓘ |
| foundationMaterial | stone ⓘ |
| hasKeeperStatus | now unmanned ⓘ |
| height |
35 metres
ⓘ
about 115 feet ⓘ |
| heritageDesignationBy | Historic Environment Scotland NERFINISHED ⓘ |
| heritageStatus | Category A listed building ⓘ |
| lightCharacteristic | Fl (3) W 30s ⓘ |
| locatedInBodyOfWater | North Sea NERFINISHED ⓘ |
| locatedOffCoastOf |
Angus
NERFINISHED
ⓘ
Scotland NERFINISHED ⓘ |
| locatedOn | Bell Rock NERFINISHED ⓘ |
| locatedOnFeature | Inchcape Reef NERFINISHED ⓘ |
| managedBy | Northern Lighthouse Board NERFINISHED ⓘ |
| marking | unpainted stone tower ⓘ |
| nearbyCity | Arbroath NERFINISHED ⓘ |
| notableFor |
being one of the world’s oldest surviving sea-washed lighthouses
ⓘ
early 19th-century engineering achievement ⓘ |
| operator | Northern Lighthouse Board NERFINISHED ⓘ |
| partOf | Northern Lighthouse Board network ⓘ |
| powerSource |
later electric light
ⓘ
originally oil lamps ⓘ |
| purpose |
aid to navigation
ⓘ
to warn ships of Bell Rock reef ⓘ |
| range | 18 nautical miles ⓘ |
| region | North Sea NERFINISHED ⓘ |
| riskAddressed | shipwrecks on Bell Rock reef ⓘ |
| towerShape | tapered cylindrical tower ⓘ |
| yearLit | 1811 ⓘ |
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: Inchcape Rock Lighthouse Description of subject: Inchcape Rock Lighthouse is a historic offshore lighthouse on the treacherous Bell Rock in the North Sea, renowned as one of the world’s oldest surviving sea-washed lighthouses and a major feat of early 19th-century engineering.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.