Mersey Bluff Lighthouse
E1028369
Mersey Bluff Lighthouse is a historic coastal beacon in Devonport, Tasmania, known for its distinctive red-and-white striped tower overlooking the Bass Strait.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mersey Bluff Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13217203 — 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: Mersey Bluff Lighthouse Context triple: [Mersey Bluff, hasFeature, Mersey Bluff Lighthouse]
-
A.
Tynemouth Lighthouse
Tynemouth Lighthouse is a coastal navigational beacon located at the mouth of the River Tyne in Tynemouth, England, guiding ships entering and leaving the harbor.
-
B.
South Walney Lighthouse
South Walney Lighthouse is a historic coastal beacon located at the southern tip of Walney Island in Cumbria, England, guiding ships through the approaches to Morecambe Bay.
-
C.
Burry Port lighthouse
Burry Port lighthouse is a small coastal beacon in Carmarthenshire, Wales, marking the entrance to Burry Port Harbour and serving as a local maritime landmark.
-
D.
Hornby Lighthouse
Hornby Lighthouse is a historic red-and-white striped lighthouse at the entrance to Sydney Harbour, known for its scenic coastal views and maritime heritage.
-
E.
Longstone Lighthouse
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.
- 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: Mersey Bluff Lighthouse Target entity description: Mersey Bluff Lighthouse is a historic coastal beacon in Devonport, Tasmania, known for its distinctive red-and-white striped tower overlooking the Bass Strait.
-
A.
Tynemouth Lighthouse
Tynemouth Lighthouse is a coastal navigational beacon located at the mouth of the River Tyne in Tynemouth, England, guiding ships entering and leaving the harbor.
-
B.
South Walney Lighthouse
South Walney Lighthouse is a historic coastal beacon located at the southern tip of Walney Island in Cumbria, England, guiding ships through the approaches to Morecambe Bay.
-
C.
Burry Port lighthouse
Burry Port lighthouse is a small coastal beacon in Carmarthenshire, Wales, marking the entrance to Burry Port Harbour and serving as a local maritime landmark.
-
D.
Hornby Lighthouse
Hornby Lighthouse is a historic red-and-white striped lighthouse at the entrance to Sydney Harbour, known for its scenic coastal views and maritime heritage.
-
E.
Longstone Lighthouse
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
heritage-listed lighthouse
ⓘ
lighthouse ⓘ |
| automated | yes ⓘ |
| convertedToElectric | 20th century ⓘ |
| country | Australia ⓘ |
| faces | Bass Strait shipping lanes NERFINISHED ⓘ |
| focalHeight | approximately 37 metres above sea level ⓘ |
| function | coastal beacon ⓘ |
| hasAccess | accessible by road and walking track ⓘ |
| hasBalcony | yes ⓘ |
| hasCategory |
Buildings and structures in Devonport, Tasmania
ⓘ
Commonwealth Heritage List places in Tasmania NERFINISHED ⓘ Lighthouses in Tasmania ⓘ |
| hasConstructionMaterial |
brick
ⓘ
concrete ⓘ |
| hasEnvironment | rocky headland ⓘ |
| hasFeature | distinctive red-and-white vertical stripes ⓘ |
| hasLantern | yes ⓘ |
| hasLightCharacteristic | Flashing white every 10 seconds ⓘ |
| hasMarking | white tower with red vertical stripes ⓘ |
| hasShape | cylindrical tower with balcony and lantern ⓘ |
| hasTouristAttractionType |
historic site
ⓘ
scenic lookout ⓘ |
| height | approximately 20 metres ⓘ |
| heritageStatus | listed on the Commonwealth Heritage List ⓘ |
| isActive | true ⓘ |
| lightRange | approximately 11 nautical miles ⓘ |
| lightSource | electric ⓘ |
| locatedIn |
Devonport, Tasmania
NERFINISHED
ⓘ
Mersey Bluff NERFINISHED ⓘ |
| locatedInCity | Devonport NERFINISHED ⓘ |
| locatedInState | Tasmania NERFINISHED ⓘ |
| locatedNear |
Port of Devonport
NERFINISHED
ⓘ
mouth of the Mersey River ⓘ |
| locatedOn | north coast of Tasmania ⓘ |
| managedBy | Australian Maritime Safety Authority NERFINISHED ⓘ |
| navigationArea | approaches to Devonport ⓘ |
| operatorType | federal maritime authority ⓘ |
| originalLightSource | oil lamp ⓘ |
| overlooks | Bass Strait NERFINISHED ⓘ |
| ownedBy | Australian Maritime Safety Authority NERFINISHED ⓘ |
| publicAccess | grounds open to the public ⓘ |
| purpose | to aid navigation in Bass Strait ⓘ |
| region | North West Tasmania NERFINISHED ⓘ |
| towerAccess | generally closed to the public ⓘ |
| yearLit | 1889 ⓘ |
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: Mersey Bluff Lighthouse Description of subject: Mersey Bluff Lighthouse is a historic coastal beacon in Devonport, Tasmania, known for its distinctive red-and-white striped tower overlooking the Bass Strait.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.