Point Perpendicular Lighthouse
E107175
Point Perpendicular Lighthouse is a historic coastal beacon on the tip of the Beecroft Peninsula in Australia, guiding ships at the entrance to Jervis Bay since the late 19th century.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Point Perpendicular Lighthouse canonical | 2 |
| Point Perpendicular Lighthouse (nearby) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T907056 — 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: Point Perpendicular Lighthouse Context triple: [Jervis Bay Territory, hasLighthouse, Point Perpendicular Lighthouse]
-
A.
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.
-
B.
Drum Point Lighthouse
Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
-
C.
Great Point Light
Great Point Light is a historic lighthouse located at the northern tip of Nantucket Island, Massachusetts, guiding vessels through the surrounding coastal waters.
-
D.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
E.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
- 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: Point Perpendicular Lighthouse Target entity description: Point Perpendicular Lighthouse is a historic coastal beacon on the tip of the Beecroft Peninsula in Australia, guiding ships at the entrance to Jervis Bay since the late 19th century.
-
A.
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.
-
B.
Drum Point Lighthouse
Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
-
C.
Great Point Light
Great Point Light is a historic lighthouse located at the northern tip of Nantucket Island, Massachusetts, guiding vessels through the surrounding coastal waters.
-
D.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
E.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
heritage-listed lighthouse
ⓘ
lighthouse ⓘ |
| accessRestrictions | located within Beecroft Weapons Range with restricted access times ⓘ |
| architecturalStyle | late 19th-century Australian lighthouse design ⓘ |
| automated | true ⓘ |
| automationDate | 1993 ⓘ |
| category |
Buildings and structures in New South Wales
ⓘ
Lighthouses in New South Wales ⓘ Tourist attractions in New South Wales ⓘ |
| constructionMaterial |
concrete block
ⓘ
stone ⓘ |
| constructionStartDate | 1898 ⓘ |
| coordinates | approximately 35.093°S 150.812°E ⓘ |
| country | Australia ⓘ |
| focalHeight | approximately 91 metres above sea level ⓘ |
| hasFeature | attached keeper’s cottages (originally) ⓘ |
| hasViewOf |
Jervis Bay entrance
ⓘ
linked to:
Jervis Bay
Tasman Sea ⓘ |
| height | approximately 21 metres ⓘ |
| heritageStatus |
listed on the Commonwealth Heritage List
ⓘ
listed on the Register of the National Estate (former) ⓘ |
| inception | 1899 ⓘ |
| lightCharacteristic | Fl (3) W 20s ⓘ |
| lightRange | about 26 nautical miles ⓘ |
| locatedIn |
Beecroft Peninsula
ⓘ
linked to:
Woy Woy Peninsula
Jervis Bay region ⓘ
linked to:
Jervis Bay
New South Wales ⓘ |
| locatedInProtectedArea | Beecroft Peninsula reserve and defence area ⓘ |
| locatedNear | Jervis Bay ⓘ |
| locatedOn |
Point Perpendicular
ⓘ
south coast of New South Wales ⓘ |
| managingAgent | Australian Maritime Safety Authority ⓘ |
| marking | white tower ⓘ |
| nearbyCity | Nowra ⓘ |
| nearbyTown | Huskisson ⓘ |
| notableFor |
dramatic cliffs of Point Perpendicular
ⓘ
role in coastal navigation on the New South Wales south coast ⓘ |
| openToPublic | exterior accessible ⓘ |
| operatorHistory | New South Wales marine authorities ⓘ |
| originalLens | first-order Fresnel lens ⓘ |
| ownedBy | Commonwealth of Australia ⓘ |
| powerSource | solar power ⓘ |
| purpose |
to guide ships entering Jervis Bay
ⓘ
to mark the northern entrance to Jervis Bay ⓘ |
| region |
South Coast region of New South Wales
ⓘ
linked to:
New South Wales South Coast
|
| status | active navigational aid ⓘ |
| towerShape | cylindrical tower with balcony and lantern ⓘ |
| yearLit | 1899 ⓘ |
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: Point Perpendicular Lighthouse Description of subject: Point Perpendicular Lighthouse is a historic coastal beacon on the tip of the Beecroft Peninsula in Australia, guiding ships at the entrance to Jervis Bay since the late 19th century.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.