Start Point Lighthouse
E368110
Start Point Lighthouse is a historic coastal beacon located on the island of Sanday in Orkney, Scotland, guiding ships through the surrounding hazardous waters.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Start Point Lighthouse canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3551283 — 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: Start Point Lighthouse Context triple: [Sanday, hasSite, Start Point Lighthouse]
-
A.
Battery Point Lighthouse
Battery Point Lighthouse is a historic 19th-century lighthouse and museum located on a small, often-tidal island just off Crescent City on California’s northern coast.
-
B.
Tacking Point Lighthouse
Tacking Point Lighthouse is a historic coastal lighthouse in Port Macquarie, New South Wales, known for its scenic ocean views and whale-watching vantage point.
-
C.
Lower Lighthouse
Lower Lighthouse is a historic coastal navigation beacon located in the seaside town of Fleetwood, England.
-
D.
Chicken Rock Lighthouse
Chicken Rock Lighthouse is an offshore lighthouse near the Calf of Man that warns ships of the hazardous rocks and strong currents in the surrounding waters.
-
E.
Hel lighthouse
Hel lighthouse is a historic coastal beacon and popular tourist landmark located at the tip of Poland’s Hel Peninsula on the Baltic 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: Start Point Lighthouse Target entity description: Start Point Lighthouse is a historic coastal beacon located on the island of Sanday in Orkney, Scotland, guiding ships through the surrounding hazardous waters.
-
A.
Battery Point Lighthouse
Battery Point Lighthouse is a historic 19th-century lighthouse and museum located on a small, often-tidal island just off Crescent City on California’s northern coast.
-
B.
Tacking Point Lighthouse
Tacking Point Lighthouse is a historic coastal lighthouse in Port Macquarie, New South Wales, known for its scenic ocean views and whale-watching vantage point.
-
C.
Lower Lighthouse
Lower Lighthouse is a historic coastal navigation beacon located in the seaside town of Fleetwood, England.
-
D.
Chicken Rock Lighthouse
Chicken Rock Lighthouse is an offshore lighthouse near the Calf of Man that warns ships of the hazardous rocks and strong currents in the surrounding waters.
-
E.
Hel lighthouse
Hel lighthouse is a historic coastal beacon and popular tourist landmark located at the tip of Poland’s Hel Peninsula on the Baltic Sea.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
coastal beacon
ⓘ
lighthouse ⓘ |
| category |
Buildings and structures in Orkney
ⓘ
Lighthouses in Orkney ⓘ |
| country |
Scotland
ⓘ
United Kingdom ⓘ |
| function | marine navigation aid ⓘ |
| hasEnvironment | coastal ⓘ |
| hazardType | hazardous coastal waters ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| locatedIn |
North Atlantic maritime region
ⓘ
northern Scotland ⓘ
surface form:
North of Scotland
Orkney Islands ⓘ
surface form:
Orkney
Orkney Islands ⓘ Sanday ⓘ United Kingdom ⓘ |
| locatedInBodyOfWater | North Sea ⓘ |
| locatedNear |
Sanday
ⓘ
surface form:
Start Point, Sanday
|
| locatedOn |
Sanday
ⓘ
surface form:
island of Sanday
|
| managingAgent |
Northern Lighthouse Board (lighthouse and some land)
ⓘ
surface form:
Northern Lighthouse Board
|
| navigationalRole |
guiding vessels around Sanday
ⓘ
warning of surrounding shoals and reefs ⓘ |
| ownedBy |
Northern Lighthouse Board (lighthouse and some land)
ⓘ
surface form:
Northern Lighthouse Board
|
| partOf | network of Scottish lighthouses ⓘ |
| purpose | to guide ships through hazardous waters ⓘ |
| region |
Northern Isles
ⓘ
Highlands and Islands ⓘ
surface form:
Scottish Highlands and Islands
|
| usedBy |
commercial shipping
ⓘ
fishing vessels ⓘ local marine traffic ⓘ |
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: Start Point Lighthouse Description of subject: Start Point Lighthouse is a historic coastal beacon located on the island of Sanday in Orkney, Scotland, guiding ships through the surrounding hazardous waters.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.