Sydney Harbour Bridge
E28345
The Sydney Harbour Bridge is an iconic steel arch bridge in Sydney, Australia, renowned for its massive span across Sydney Harbour and its status as a national symbol.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Sydney Harbour Bridge canonical | 50 |
| Harbour Bridge | 1 |
| Sydney Harbour Bridge (southern end) | 1 |
| Sydney Harbour Bridge main arch structure | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T44684 — 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: Sydney Harbour Bridge Context triple: [Australia, hasNotableLandmark, Sydney Harbour Bridge]
-
A.
Sydney Opera House
The Sydney Opera House is an iconic 20th-century performing arts center in Sydney, renowned worldwide for its distinctive sail-like architectural design on Bennelong Point.
-
B.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
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C.
Golden Gate Bridge
The Golden Gate Bridge is an iconic red-orange suspension bridge spanning the Golden Gate Strait, renowned as a symbol of San Francisco and a landmark of American engineering.
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D.
Brooklyn Bridge
The Brooklyn Bridge is a historic 19th-century suspension bridge spanning the East River, renowned as an iconic symbol of New York City and a major connection between Manhattan and Brooklyn.
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E.
Key Bridge
Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
- 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: Sydney Harbour Bridge Target entity description: The Sydney Harbour Bridge is an iconic steel arch bridge in Sydney, Australia, renowned for its massive span across Sydney Harbour and its status as a national symbol.
-
A.
Sydney Opera House
The Sydney Opera House is an iconic 20th-century performing arts center in Sydney, renowned worldwide for its distinctive sail-like architectural design on Bennelong Point.
-
B.
Wellington Bridge
Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
-
C.
Golden Gate Bridge
The Golden Gate Bridge is an iconic red-orange suspension bridge spanning the Golden Gate Strait, renowned as a symbol of San Francisco and a landmark of American engineering.
-
D.
Brooklyn Bridge
The Brooklyn Bridge is a historic 19th-century suspension bridge spanning the East River, renowned as an iconic symbol of New York City and a major connection between Manhattan and Brooklyn.
-
E.
Key Bridge
Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
- F. None of above. chosen
Statements (50)
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: Sydney Harbour Bridge Description of subject: The Sydney Harbour Bridge is an iconic steel arch bridge in Sydney, Australia, renowned for its massive span across Sydney Harbour and its status as a national symbol.
Referenced by (53)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sydney Harbour Bridge (southern end)
this entity surface form:
Sydney Harbour Bridge main arch structure
subject surface form:
Sydney