Parramatta River railway bridge
E309966
The Parramatta River railway bridge is a rail transport bridge in Sydney, Australia, carrying train lines across the Parramatta River as part of the city's suburban rail network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Parramatta River railway bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2853173 — 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: Parramatta River railway bridge Context triple: [Parramatta River, hasCrossing, Parramatta River railway bridge]
-
A.
Gladesville Bridge
Gladesville Bridge is a major concrete arch road bridge in Sydney, Australia, notable for carrying traffic across the Parramatta River and once being the longest concrete arch span in the world.
-
B.
Pyrmont Bridge
Pyrmont Bridge is a historic swing bridge in Sydney, Australia, known for carrying pedestrians across Darling Harbour and being one of the world’s oldest surviving electrically operated swing bridges.
-
C.
Railway bridge over Murrumbidgee River
The Railway bridge over the Murrumbidgee River is a historic timber viaduct near Gundagai, New South Wales, renowned as one of Australia’s longest and most significant railway timber trestle bridges.
-
D.
Goodradigbee River Bridge
Goodradigbee River Bridge is a roadway bridge in New South Wales, Australia, that carries traffic across the Goodradigbee River.
-
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: Parramatta River railway bridge Target entity description: The Parramatta River railway bridge is a rail transport bridge in Sydney, Australia, carrying train lines across the Parramatta River as part of the city's suburban rail network.
-
A.
Gladesville Bridge
Gladesville Bridge is a major concrete arch road bridge in Sydney, Australia, notable for carrying traffic across the Parramatta River and once being the longest concrete arch span in the world.
-
B.
Pyrmont Bridge
Pyrmont Bridge is a historic swing bridge in Sydney, Australia, known for carrying pedestrians across Darling Harbour and being one of the world’s oldest surviving electrically operated swing bridges.
-
C.
Railway bridge over Murrumbidgee River
The Railway bridge over the Murrumbidgee River is a historic timber viaduct near Gundagai, New South Wales, renowned as one of Australia’s longest and most significant railway timber trestle bridges.
-
D.
Goodradigbee River Bridge
Goodradigbee River Bridge is a roadway bridge in New South Wales, Australia, that carries traffic across the Goodradigbee River.
-
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 (30)
| Predicate | Object |
|---|---|
| instanceOf |
railway bridge
ⓘ
steel bridge ⓘ truss bridge ⓘ |
| carries |
railway tracks
ⓘ
suburban passenger trains ⓘ |
| country | Australia ⓘ |
| crosses | Parramatta River ⓘ |
| designedFor | heavy rail ⓘ |
| electrified | yes ⓘ |
| hasAccess | restricted to rail vehicles ⓘ |
| hasDeck | single-deck ⓘ |
| hasFunction | carry trains across Parramatta River ⓘ |
| isPartOfInfrastructureType | railway infrastructure ⓘ |
| isPartOfTransportSystem | public transport in Sydney ⓘ |
| locatedIn |
New South Wales
ⓘ
Sydney ⓘ |
| locatedInUrbanArea |
Greater Sydney
ⓘ
linked to:
Greater Sydney region
|
| locatedOnWaterway | Parramatta River ⓘ |
| maintainedBy | Sydney Trains ⓘ |
| material | steel ⓘ |
| notUsedFor | road traffic ⓘ |
| owner | Transport for NSW ⓘ |
| partOf |
Sydney suburban rail network
ⓘ
linked to:
Sydney Metro
|
| passesThrough | inner western Sydney corridor ⓘ |
| railNetwork |
Sydney Trains network
ⓘ
linked to:
Sydney Trains
|
| region |
Sydney metropolitan area
ⓘ
linked to:
Greater Sydney region
|
| structureType | multi-span bridge ⓘ |
| trafficType |
freight rail
ⓘ
passenger rail ⓘ |
| usedFor | rail transport ⓘ |
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: Parramatta River railway bridge Description of subject: The Parramatta River railway bridge is a rail transport bridge in Sydney, Australia, carrying train lines across the Parramatta River as part of the city's suburban rail network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.