Longstone Lighthouse
E891352
Longstone Lighthouse is a historic offshore beacon on the Farne Islands in Northumberland, England, famed for its association with the 1838 rescue by Grace Darling.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Longstone Lighthouse canonical | 5 |
| Longstone Lighthouse, Farne Islands, Northumberland | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10865780 — 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: Longstone Lighthouse Context triple: [Farne Islands, hasStructure, Longstone Lighthouse]
-
A.
St Mary’s Lighthouse
St Mary’s Lighthouse is a historic coastal lighthouse situated on a small tidal island off the coast of Whitley Bay in North East England, now popular as a visitor attraction and nature reserve.
-
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.
Stoer Head Lighthouse
Stoer Head Lighthouse is a historic coastal beacon in Sutherland, Scotland, known for guiding ships along the rugged northwest Highlands since the late 19th century.
-
D.
Rubh Re Lighthouse
Rubh Re Lighthouse is a coastal navigational beacon in Scotland, notable as part of the Stevenson family’s historic network of Scottish lighthouses.
-
E.
Noss Head Lighthouse
Noss Head Lighthouse is a coastal navigational beacon in Caithness, Scotland, notable for its early use of a diagonal-pane lantern design and its role in guiding ships around the northeastern tip of the Scottish mainland.
- 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: Longstone Lighthouse Target entity description: Longstone Lighthouse is a historic offshore beacon on the Farne Islands in Northumberland, England, famed for its association with the 1838 rescue by Grace Darling.
-
A.
St Mary’s Lighthouse
St Mary’s Lighthouse is a historic coastal lighthouse situated on a small tidal island off the coast of Whitley Bay in North East England, now popular as a visitor attraction and nature reserve.
-
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.
Stoer Head Lighthouse
Stoer Head Lighthouse is a historic coastal beacon in Sutherland, Scotland, known for guiding ships along the rugged northwest Highlands since the late 19th century.
-
D.
Rubh Re Lighthouse
Rubh Re Lighthouse is a coastal navigational beacon in Scotland, notable as part of the Stevenson family’s historic network of Scottish lighthouses.
-
E.
Noss Head Lighthouse
Noss Head Lighthouse is a coastal navigational beacon in Caithness, Scotland, notable for its early use of a diagonal-pane lantern design and its role in guiding ships around the northeastern tip of the Scottish mainland.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
maritime navigational aid ⓘ offshore lighthouse ⓘ |
| accessibleBy | boat ⓘ |
| associatedWith | Grace Darling ⓘ |
| associatedWithEvent | 1838 Forfarshire rescue ⓘ |
| automated | 1990 ⓘ |
| category | Lighthouses in Northumberland ⓘ |
| constructionEndDate | 1826 ⓘ |
| constructionStartDate | 1825 ⓘ |
| country | United Kingdom ⓘ |
| focalHeight |
about 140 feet
ⓘ
about 43 metres ⓘ |
| hasFogSignal | yes ⓘ |
| hasKeeperAccommodation | yes ⓘ |
| height |
26 metres
ⓘ
about 85 feet ⓘ |
| heritageDesignationDate | 20 February 1952 ⓘ |
| heritageStatus | Grade II listed building ⓘ |
| inception | 1826 ⓘ |
| laterLightSource | electric lamp ⓘ |
| lightCharacteristic | Fl(3) W 20s ⓘ |
| locatedIn |
England
ⓘ
Farne Islands ⓘ Northumberland ⓘ |
| locatedInBodyOfWater | North Sea ⓘ |
| locatedNear | Seahouses ⓘ |
| locatedOn | Longstone Rock ⓘ |
| marking |
red lantern
ⓘ
white tower with red horizontal band ⓘ |
| materialUsed | sandstone ⓘ |
| nearbyHazard |
Longstone Rock reef
ⓘ
Staple Island NERFINISHED ⓘ |
| notableFor | Grace Darling’s 1838 sea rescue of shipwreck survivors ⓘ |
| opened | 1826 ⓘ |
| operator | Trinity House ⓘ |
| originalLightSource | oil lamp ⓘ |
| ownedBy | Trinity House ⓘ |
| partOf |
Farne Islands archipelago
ⓘ
linked to:
Farne Islands
|
| powerSource | mains electricity ⓘ |
| previousStructureOnSite |
Longstone beacon
ⓘ
linked to:
Longstone
|
| range | 18 nautical miles ⓘ |
| region | North East England ⓘ |
| replaced | Staple Island Lighthouse ⓘ |
| shape | cylindrical tower with balcony and lantern ⓘ |
| tourism | popular destination for boat trips from Seahouses ⓘ |
| usedFor |
aiding navigation in the North Sea
ⓘ
warning shipping of rocks around the Farne Islands ⓘ |
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: Longstone Lighthouse Description of subject: Longstone Lighthouse is a historic offshore beacon on the Farne Islands in Northumberland, England, famed for its association with the 1838 rescue by Grace Darling.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Longstone Lighthouse