Bell Rock reef
E463836
Bell Rock reef is a notorious submerged rock formation in the North Sea off the coast of Angus, Scotland, famed for its dangerous shallows that prompted the construction of the historic Bell Rock Lighthouse.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bell Rock reef canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4724836 — 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: Bell Rock reef Context triple: [Bell Rock Lighthouse, location, Bell Rock reef]
-
A.
Mill Reef
Mill Reef was a legendary American-bred, British-trained Thoroughbred racehorse famed for his dominant performances in major European middle-distance races in the early 1970s.
-
B.
Scott Reef
Scott Reef is a remote atoll-like coral reef system off northwestern Australia, renowned for its rich marine biodiversity and importance to regional oceanographic and ecological research.
-
C.
Bird Rock
Bird Rock is a prominent rocky outcrop and former sea cliff in Gwynedd, Wales, known for its striking cliffs and nesting seabirds overlooking the Dysynni Valley.
-
D.
Bird Rock
Bird Rock is the English name for Farallon de Pajaros, a remote, uninhabited volcanic island in the Northern Mariana Islands known for its large seabird colonies.
-
E.
Bird Rock
Bird Rock is a coastal neighborhood in La Jolla, San Diego, known for its rocky shoreline, surf breaks, and relaxed residential atmosphere.
- 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: Bell Rock reef Target entity description: Bell Rock reef is a notorious submerged rock formation in the North Sea off the coast of Angus, Scotland, famed for its dangerous shallows that prompted the construction of the historic Bell Rock Lighthouse.
-
A.
Mill Reef
Mill Reef was a legendary American-bred, British-trained Thoroughbred racehorse famed for his dominant performances in major European middle-distance races in the early 1970s.
-
B.
Scott Reef
Scott Reef is a remote atoll-like coral reef system off northwestern Australia, renowned for its rich marine biodiversity and importance to regional oceanographic and ecological research.
-
C.
Bird Rock
Bird Rock is a prominent rocky outcrop and former sea cliff in Gwynedd, Wales, known for its striking cliffs and nesting seabirds overlooking the Dysynni Valley.
-
D.
Bird Rock
Bird Rock is the English name for Farallon de Pajaros, a remote, uninhabited volcanic island in the Northern Mariana Islands known for its large seabird colonies.
-
E.
Bird Rock
Bird Rock is a coastal neighborhood in La Jolla, San Diego, known for its rocky shoreline, surf breaks, and relaxed residential atmosphere.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
reef
ⓘ
submerged rock formation ⓘ |
| alsoKnownAs |
Bell Rock
NERFINISHED
ⓘ
Inchcape NERFINISHED ⓘ Inchcape Rock NERFINISHED ⓘ |
| associatedWith | Robert Stevenson NERFINISHED ⓘ |
| coordinateSystem | WGS84 NERFINISHED ⓘ |
| distanceFromCoast_km | approximately 18 ⓘ |
| fallsWithinMaritimeZoneOf | United Kingdom NERFINISHED ⓘ |
| geologicalType | rocky reef ⓘ |
| hasDangerousFeature | dangerous shallows ⓘ |
| hasHistoricalSignificance |
development of offshore lighthouse engineering
ⓘ
maritime navigation ⓘ |
| hasLighthouseSince | 1811 ⓘ |
| hasStructureOn | Bell Rock Lighthouse NERFINISHED ⓘ |
| inspiredAuthor | Robert Southey NERFINISHED ⓘ |
| inspiredWork | "The Inchcape Rock" NERFINISHED ⓘ |
| knownFor |
hazard to shipping
ⓘ
site of Bell Rock Lighthouse ⓘ |
| locatedIn | North Sea ⓘ |
| locatedInCountry | Scotland NERFINISHED ⓘ |
| locatedInSovereignState | United Kingdom ⓘ |
| locatedOffCoastOf |
Angus
NERFINISHED
ⓘ
Arbroath NERFINISHED ⓘ |
| near | Bell Rock Lighthouse NERFINISHED ⓘ |
| partiallyExposedAt | low tide ⓘ |
| seaArea | North Sea off east coast of Scotland NERFINISHED ⓘ |
| shippingHazardSince | ancient times ⓘ |
| submergedAt | high tide ⓘ |
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: Bell Rock reef Description of subject: Bell Rock reef is a notorious submerged rock formation in the North Sea off the coast of Angus, Scotland, famed for its dangerous shallows that prompted the construction of the historic Bell Rock Lighthouse.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.