Main Western railway line
E68311
The Main Western railway line is a major railway corridor in New South Wales, Australia, running west from Sydney across the Blue Mountains and into the state's central west.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Main Western line | 24 |
| Main Western railway line canonical | 21 |
| Main West railway line | 1 |
| Western railway line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T548191 — 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 Western railway line Context triple: [Main Southern railway line, connectsWith, Main Western railway line]
-
A.
Main Southern railway line
The Main Southern railway line is a major rail corridor in New South Wales, Australia, linking Sydney with the state’s southern regions and forming part of the key interstate route between Sydney and Melbourne.
-
B.
Main North railway line
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.
-
C.
West Coast Main Line
The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
-
D.
East Coast Main Line
The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
-
E.
Borders Railway
Borders Railway is a Scottish rail line that reconnects Edinburgh with the Scottish Borders and Midlothian, serving as one of the longest new domestic railway lines built in the UK in recent decades.
- 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 Western railway line Target entity description: The Main Western railway line is a major railway corridor in New South Wales, Australia, running west from Sydney across the Blue Mountains and into the state's central west.
-
A.
Main Southern railway line
The Main Southern railway line is a major rail corridor in New South Wales, Australia, linking Sydney with the state’s southern regions and forming part of the key interstate route between Sydney and Melbourne.
-
B.
Main North railway line
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.
-
C.
West Coast Main Line
The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
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D.
East Coast Main Line
The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
-
E.
Borders Railway
Borders Railway is a Scottish rail line that reconnects Edinburgh with the Scottish Borders and Midlothian, serving as one of the longest new domestic railway lines built in the UK in recent decades.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| connectsCity | Sydney ⓘ |
| connectsRegion |
Blue Mountains
ⓘ
Central West (New South Wales) ⓘ
surface form:
Central West, New South Wales
|
| country | Australia ⓘ |
| crosses |
Blue Mountains
ⓘ
surface form:
Blue Mountains range
|
| electrification | 1500 V DC overhead ⓘ |
| gauge | standard gauge ⓘ |
| hasDirection | westward from Sydney ⓘ |
| hasSection |
interurban section to Blue Mountains
ⓘ
regional section to Central West ⓘ suburban section in Sydney ⓘ |
| isMajorCorridorFor | rail traffic between Sydney and western New South Wales ⓘ |
| locatedIn | eastern Australia ⓘ |
| operator |
NSW TrainLink
ⓘ
Sydney Trains ⓘ various freight operators ⓘ |
| owner | Transport Asset Holding Entity ⓘ |
| partOfNetwork |
New South Wales rail network
ⓘ
surface form:
New South Wales railway network
|
| runsFrom | Sydney ⓘ |
| runsThrough | Blue Mountains ⓘ |
| runsTo |
Central West (New South Wales)
ⓘ
surface form:
Central West, New South Wales
|
| serves |
commuter traffic in Greater Sydney
ⓘ
regional communities in Central West, New South Wales ⓘ tourist traffic to Blue Mountains ⓘ |
| state | New South Wales ⓘ |
| terminus |
Sydney Central station
ⓘ
surface form:
Sydney Central railway station
|
| usedFor |
freight rail transport
ⓘ
passenger 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: Main Western railway line Description of subject: The Main Western railway line is a major railway corridor in New South Wales, Australia, running west from Sydney across the Blue Mountains and into the state's central west.
Referenced by (47)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Main Western line
this entity surface form:
Main Western line
subject surface form:
Wellington, New South Wales
this entity surface form:
Main Western line
this entity surface form:
Main Western line
subject surface form:
Mount Victoria, New South Wales
subject surface form:
Mount Victoria, New South Wales
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Western railway line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main West railway line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line
this entity surface form:
Main Western line