Main Northern railway line, New South Wales
E446821
The Main Northern railway line in New South Wales is a major rail corridor that runs from Sydney through the Central Coast and Hunter regions to the New England and northern parts of the state, serving both passenger and freight traffic.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T4491417 — 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: Main Northern railway line, New South Wales Context triple: [Singleton railway station, category, Main Northern railway line, New South Wales]
-
A.
New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
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B.
North Coast railway line
The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
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C.
North Coast railway line
The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
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D.
Junee–Narrandera railway line
The Junee–Narrandera railway line is a regional rail route in New South Wales, Australia, that connects the town of Junee with Narrandera and serves several intermediate rural communities.
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E.
Illawarra railway line
The Illawarra railway line is a major suburban and intercity rail corridor in New South Wales, Australia, running from Sydney through the Illawarra region along the South Coast.
- 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: Main Northern railway line, New South Wales Target entity description: The Main Northern railway line in New South Wales is a major rail corridor that runs from Sydney through the Central Coast and Hunter regions to the New England and northern parts of the state, serving both passenger and freight traffic.
-
A.
New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
-
B.
North Coast railway line
The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
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C.
North Coast railway line
The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
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D.
Junee–Narrandera railway line
The Junee–Narrandera railway line is a regional rail route in New South Wales, Australia, that connects the town of Junee with Narrandera and serves several intermediate rural communities.
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E.
Illawarra railway line
The Illawarra railway line is a major suburban and intercity rail corridor in New South Wales, Australia, running from Sydney through the Illawarra region along the South Coast.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
rail corridor
ⓘ
railway line ⓘ |
| connects |
New England region
ⓘ
Sydney ⓘ northern New South Wales ⓘ |
| country | Australia ⓘ |
| electrification | partially electrified ⓘ |
| gauge | standard gauge ⓘ |
| hasTerminus | Sydney ⓘ |
| locatedIn |
Central Coast region
ⓘ
linked to:
Central Coast region of New South Wales
Hunter Region ⓘ New England region ⓘ Northern New South Wales ⓘ Sydney ⓘ |
| operator |
NSW TrainLink
ⓘ
Sydney Trains ⓘ freight rail operators in New South Wales ⓘ |
| partOf | New South Wales rail network ⓘ |
| regionServed |
Central Coast
ⓘ
Greater Sydney ⓘ
linked to:
Greater Sydney region
Hunter Region ⓘ New England ⓘ |
| serves |
freight traffic
ⓘ
passenger traffic ⓘ |
| significance | major rail corridor in New South Wales ⓘ |
| state | New South Wales ⓘ |
| transportType | heavy rail ⓘ |
| use |
freight rail services
ⓘ
intercity rail services ⓘ regional rail services ⓘ |
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: Main Northern railway line, New South Wales Description of subject: The Main Northern railway line in New South Wales is a major rail corridor that runs from Sydney through the Central Coast and Hunter regions to the New England and northern parts of the state, serving both passenger and freight traffic.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Tarro
linked to: Main Northern railway line, New South Wales
linked to: Main Northern railway line, New South Wales
Armidale railway station
→
isTerminusOf
→
Main Northern line (passenger services north of Armidale)
ⓘ
linked to: Main Northern railway line, New South Wales
linked to: Main Northern railway line, New South Wales
linked to: Main Northern railway line, New South Wales