Main North railway line
E11958
The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Main Northern line | 49 |
| Main North railway line canonical | 27 |
| Main Northern railway line | 12 |
| Main North line | 2 |
| Main Northern railway | 2 |
| Hunter railway line | 1 |
| Main North railway line (closed to regular passenger services) | 1 |
| North East railway line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T116094 — 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 North railway line Context triple: [Hunter Region, railwayLine, Main North railway line]
-
A.
Manchester to Leeds line
The Manchester to Leeds line is a key trans-Pennine railway route in northern England connecting major cities across the Pennines.
-
B.
Rochdale line
The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
-
C.
Glasgow–Edinburgh railway line
The Glasgow–Edinburgh railway line is a major intercity rail route linking Scotland’s two largest cities and serving as one of the country’s busiest and most important transport corridors.
-
D.
Northern Central Railway
Northern Central Railway was a historic American railroad that operated primarily in Pennsylvania and Maryland, serving as an important north–south link in the 19th and early 20th centuries.
-
E.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
- 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 North railway line Target entity description: The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
-
A.
Manchester to Leeds line
The Manchester to Leeds line is a key trans-Pennine railway route in northern England connecting major cities across the Pennines.
-
B.
Rochdale line
The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
-
C.
Glasgow–Edinburgh railway line
The Glasgow–Edinburgh railway line is a major intercity rail route linking Scotland’s two largest cities and serving as one of the country’s busiest and most important transport corridors.
-
D.
Northern Central Railway
Northern Central Railway was a historic American railroad that operated primarily in Pennsylvania and Maryland, serving as an important north–south link in the 19th and early 20th centuries.
-
E.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
rail corridor
ⓘ
railway line ⓘ |
| connectsRegion |
Hunter Region
ⓘ
New England region ⓘ Northern Tablelands ⓘ Sydney ⓘ north-western New South Wales ⓘ |
| country | Australia ⓘ |
| electrification |
electrified between Sydney and Newcastle
ⓘ
non-electrified north of Newcastle ⓘ |
| gauge | standard gauge ⓘ |
| hasSection |
Armidale to Wallangarra section
ⓘ
Gosford to Newcastle section ⓘ Hornsby to Gosford section ⓘ Maitland to Armidale section ⓘ Newcastle to Maitland section ⓘ Strathfield to Hornsby section ⓘ Sydney to Strathfield section ⓘ |
| historicallyLinked |
Hunter Region
ⓘ
Sydney ⓘ northern New South Wales ⓘ |
| historicalRole |
key link between Sydney and the Hunter Region
ⓘ
main route from Sydney to northern New South Wales ⓘ |
| historicalSignificance |
enabled development of northern New South Wales
ⓘ
major route for coal and agricultural freight from the Hunter and northern regions ⓘ |
| locatedIn | New South Wales ⓘ |
| operator |
Australian Rail Track Corporation
ⓘ
NSW Government Railways ⓘ NSW TrainLink ⓘ Transport Asset Holding Entity of New South Wales ⓘ
surface form:
RailCorp
State Rail Authority ⓘ Sydney Trains ⓘ |
| partOfNetwork |
New South Wales rail network
ⓘ
surface form:
New South Wales railway network
|
| passesThrough |
Central Coast
ⓘ
surface form:
Central Coast region
Hunter Region ⓘ New England region ⓘ |
| primaryUse |
freight rail transport
ⓘ
passenger rail transport ⓘ |
| state | New South Wales ⓘ |
| status |
partly active
ⓘ
partly closed ⓘ |
| terminusCity | Sydney ⓘ |
| trackConfiguration |
double track in busy suburban sections
ⓘ
single track in many rural sections ⓘ |
| usedByService |
freight trains
ⓘ
intercity passenger trains ⓘ long-distance passenger trains ⓘ regional passenger trains ⓘ |
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 North railway line Description of subject: The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
Referenced by (95)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Main Northern line
subject surface form:
Hamilton railway station
this entity surface form:
Main Northern line
subject surface form:
Sandgate railway station
this entity surface form:
Main Northern line
subject surface form:
Tarro railway station
this entity surface form:
Main Northern line
subject surface form:
Narara railway station
this entity surface form:
Main Northern line
this entity surface form:
Main Northern railway line
this entity surface form:
Main Northern line
subject surface form:
Hornsby railway station
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main North line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern railway line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern railway
this entity surface form:
Main Northern railway line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern railway
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern railway line
this entity surface form:
Main Northern line
this entity surface form:
Main Northern line