Upper Harbour Bridge
E469204
The Upper Harbour Bridge is a motorway bridge in Auckland, New Zealand, carrying State Highway 18 across the upper reaches of the Waitematā Harbour.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Upper Harbour Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4747893 — 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: Upper Harbour Bridge Context triple: [Waitematā Harbour, crossedBy, Upper Harbour Bridge]
-
A.
Tasman Bridge
The Tasman Bridge is a major concrete bridge in Hobart, Tasmania, carrying the Tasman Highway across the Derwent River and known for its 1975 collapse after a ship collision.
-
B.
Silverwater Bridge
Silverwater Bridge is a major road bridge in Sydney, Australia, carrying Silverwater Road across the Parramatta River and serving as an important link in the city's western suburbs transport network.
-
C.
West Gate Bridge
West Gate Bridge is a major steel box-girder road bridge in Melbourne, Australia, known for carrying heavy traffic between the city’s inner west and the central business district and for the tragic collapse during its construction in 1970.
-
D.
Horace Wilkinson Bridge
The Horace Wilkinson Bridge is a major Mississippi River crossing in Baton Rouge, Louisiana, carrying Interstate 10 and serving as a key transportation link in the region.
-
E.
Forster–Tuncurry Bridge
The Forster–Tuncurry Bridge is a road bridge in New South Wales, Australia, that spans Wallis Lake to connect the twin coastal towns of Forster and Tuncurry.
- 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: Upper Harbour Bridge Target entity description: The Upper Harbour Bridge is a motorway bridge in Auckland, New Zealand, carrying State Highway 18 across the upper reaches of the Waitematā Harbour.
-
A.
Tasman Bridge
The Tasman Bridge is a major concrete bridge in Hobart, Tasmania, carrying the Tasman Highway across the Derwent River and known for its 1975 collapse after a ship collision.
-
B.
Silverwater Bridge
Silverwater Bridge is a major road bridge in Sydney, Australia, carrying Silverwater Road across the Parramatta River and serving as an important link in the city's western suburbs transport network.
-
C.
West Gate Bridge
West Gate Bridge is a major steel box-girder road bridge in Melbourne, Australia, known for carrying heavy traffic between the city’s inner west and the central business district and for the tragic collapse during its construction in 1970.
-
D.
Horace Wilkinson Bridge
The Horace Wilkinson Bridge is a major Mississippi River crossing in Baton Rouge, Louisiana, carrying Interstate 10 and serving as a key transportation link in the region.
-
E.
Forster–Tuncurry Bridge
The Forster–Tuncurry Bridge is a road bridge in New South Wales, Australia, that spans Wallis Lake to connect the twin coastal towns of Forster and Tuncurry.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
motorway bridge
ⓘ
road bridge ⓘ |
| bodyOfWater | upper Waitematā Harbour NERFINISHED ⓘ |
| carries | State Highway 18 NERFINISHED ⓘ |
| connects |
Greenhithe
NERFINISHED
ⓘ
Hobsonville NERFINISHED ⓘ |
| country | New Zealand ⓘ |
| crosses | Waitematā Harbour NERFINISHED ⓘ |
| function | cross-harbour transport link ⓘ |
| hasApproachFrom |
east
ⓘ
west ⓘ |
| hasLanes | 4 ⓘ |
| hasMaterial |
concrete
ⓘ
steel ⓘ |
| hasNumberOfCarriageways | 2 ⓘ |
| hasNumberOfDirections | 2 ⓘ |
| hasOwner | New Zealand Government NERFINISHED ⓘ |
| hasToll | no ⓘ |
| hasTrafficFlow | high ⓘ |
| isInUrbanArea | yes ⓘ |
| isOnRoute | Western Ring Route NERFINISHED ⓘ |
| locatedIn |
Auckland
NERFINISHED
ⓘ
North Island ⓘ North Shore, Auckland NERFINISHED ⓘ Waitematā Harbour NERFINISHED ⓘ |
| locatedNear | Upper Harbour Motorway NERFINISHED ⓘ |
| maintainedBy | Waka Kotahi NZ Transport Agency NERFINISHED ⓘ |
| namedAfter | Upper Harbour NERFINISHED ⓘ |
| opened | 1975 ⓘ |
| partOf |
Auckland motorway network
NERFINISHED
ⓘ
State Highway 18 NERFINISHED ⓘ |
| reconstructed | 2006 ⓘ |
| region | Auckland Region NERFINISHED ⓘ |
| roadTypeCarried | motorway ⓘ |
| usage | vehicular traffic ⓘ |
| widened | 2006 ⓘ |
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: Upper Harbour Bridge Description of subject: The Upper Harbour Bridge is a motorway bridge in Auckland, New Zealand, carrying State Highway 18 across the upper reaches of the Waitematā Harbour.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.