Point Perpendicular
E462388
Point Perpendicular is a prominent sandstone headland and lighthouse site marking the northern entrance to Jervis Bay on the south coast of New South Wales, Australia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Point Perpendicular canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4671018 — 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 Context triple: [Jervis Bay, hasFeature, Point Perpendicular]
-
A.
Point and Line to Plane
"Point and Line to Plane" is a seminal theoretical text by Wassily Kandinsky that explores the fundamental elements of abstract art and their expressive possibilities.
-
B.
Fermat point
The Fermat point is a special point inside a triangle that minimizes the total distance to the triangle’s three vertices.
-
C.
Circle line
The Circle line is a central London Underground route forming a loop through key districts and interchanges in the city’s transport network.
-
D.
Plücker coordinates
Plücker coordinates are a system of homogeneous coordinates used in projective geometry to represent lines (and other subspaces) in higher-dimensional spaces.
-
E.
Vector
Vector is a mid-range, sport-oriented trim level of the Saab 9-3 that typically offers enhanced performance and upgraded interior and exterior features compared to base models.
- 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 Target entity description: Point Perpendicular is a prominent sandstone headland and lighthouse site marking the northern entrance to Jervis Bay on the south coast of New South Wales, Australia.
-
A.
Point and Line to Plane
"Point and Line to Plane" is a seminal theoretical text by Wassily Kandinsky that explores the fundamental elements of abstract art and their expressive possibilities.
-
B.
Fermat point
The Fermat point is a special point inside a triangle that minimizes the total distance to the triangle’s three vertices.
-
C.
Circle line
The Circle line is a central London Underground route forming a loop through key districts and interchanges in the city’s transport network.
-
D.
Plücker coordinates
Plücker coordinates are a system of homogeneous coordinates used in projective geometry to represent lines (and other subspaces) in higher-dimensional spaces.
-
E.
Vector
Vector is a mid-range, sport-oriented trim level of the Saab 9-3 that typically offers enhanced performance and upgraded interior and exterior features compared to base models.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
coastal landform
ⓘ
headland ⓘ lighthouse site ⓘ |
| administrativeRegion | City of Shoalhaven NERFINISHED ⓘ |
| bay | Jervis Bay NERFINISHED ⓘ |
| category |
Headlands of New South Wales
ⓘ
Jervis Bay region NERFINISHED ⓘ Lighthouses in New South Wales ⓘ |
| cliffType | vertical sea cliffs ⓘ |
| coast | Tasman Sea NERFINISHED ⓘ |
| coastType | exposed ocean coast ⓘ |
| continent | Australia ⓘ |
| country | Australia ⓘ |
| elevation | approximately 100 metres above sea level ⓘ |
| featureOf | Jervis Bay Marine environment NERFINISHED ⓘ |
| function | marks entrance to Jervis Bay ⓘ |
| geologicalComposition | sandstone ⓘ |
| hasAccess | road access via Beecroft Peninsula ⓘ |
| hasLighthouse | Point Perpendicular Light NERFINISHED ⓘ |
| hasStructure |
Point Perpendicular Light
NERFINISHED
ⓘ
Point Perpendicular Lighthouse (historic) NERFINISHED ⓘ |
| hasViewOf |
Beecroft Peninsula cliffs
NERFINISHED
ⓘ
Jervis Bay NERFINISHED ⓘ Pacific Ocean ⓘ |
| hazard | dangerous seas for shipping ⓘ |
| isPartOf | Beecroft Peninsula NERFINISHED ⓘ |
| knownFor |
dramatic sea cliffs
ⓘ
historic lighthouse ⓘ prominent coastal landmark ⓘ |
| lighthouseStatus |
decommissioned original lighthouse
ⓘ
modern active light nearby ⓘ |
| locatedIn |
Jervis Bay region
NERFINISHED
ⓘ
New South Wales ⓘ South Coast of New South Wales NERFINISHED ⓘ |
| marks | northern entrance to Jervis Bay ⓘ |
| material | sandstone cliffs ⓘ |
| nearbyCity | Nowra NERFINISHED ⓘ |
| nearbyTown |
Currarong
NERFINISHED
ⓘ
Huskisson NERFINISHED ⓘ |
| ocean | Pacific Ocean ⓘ |
| region | South Coast region of New South Wales NERFINISHED ⓘ |
| state | New South Wales ⓘ |
| usedFor |
coastal sightseeing
ⓘ
maritime safety ⓘ navigation aid ⓘ recreational rock climbing ⓘ whale watching ⓘ |
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 Description of subject: Point Perpendicular is a prominent sandstone headland and lighthouse site marking the northern entrance to Jervis Bay on the south coast of New South Wales, Australia.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.