Cobar–Bourke railway line (historically)
E1021250
The Cobar–Bourke railway line was a historical branch railway in western New South Wales, Australia, built to connect the mining town of Cobar with the regional hub of Bourke and support the transport of minerals and goods across the outback.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cobar–Bourke railway line (historically) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13088915 — 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: Cobar–Bourke railway line (historically) Context triple: [Bourke, transportLink, Cobar–Bourke railway line (historically)]
-
A.
Cootamundra–Tumut railway line
The Cootamundra–Tumut railway line is a former New South Wales country branch line that once connected rural towns in the Riverina and South West Slopes regions of Australia.
-
B.
Deniliquin railway line
The Deniliquin railway line is a regional rail route in New South Wales, Australia, that connects the town of Deniliquin to the broader rail network, primarily serving freight and local transport needs.
-
C.
Stockinbingal–Parkes railway line
The Stockinbingal–Parkes railway line is a regional rail route in New South Wales, Australia, forming part of the freight and transport network that links inland agricultural areas with major rail corridors.
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D.
Broken Hill line
The Broken Hill line is a major railway route in New South Wales, Australia, connecting inland regional centres and forming part of the transcontinental rail link between Sydney and the country's western states.
-
E.
Swan Hill line
The Swan Hill line is a regional railway corridor in Victoria, Australia, providing passenger and freight services between Melbourne and the town of Swan Hill.
- 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: Cobar–Bourke railway line (historically) Target entity description: The Cobar–Bourke railway line was a historical branch railway in western New South Wales, Australia, built to connect the mining town of Cobar with the regional hub of Bourke and support the transport of minerals and goods across the outback.
-
A.
Cootamundra–Tumut railway line
The Cootamundra–Tumut railway line is a former New South Wales country branch line that once connected rural towns in the Riverina and South West Slopes regions of Australia.
-
B.
Deniliquin railway line
The Deniliquin railway line is a regional rail route in New South Wales, Australia, that connects the town of Deniliquin to the broader rail network, primarily serving freight and local transport needs.
-
C.
Stockinbingal–Parkes railway line
The Stockinbingal–Parkes railway line is a regional rail route in New South Wales, Australia, forming part of the freight and transport network that links inland agricultural areas with major rail corridors.
-
D.
Broken Hill line
The Broken Hill line is a major railway route in New South Wales, Australia, connecting inland regional centres and forming part of the transcontinental rail link between Sydney and the country's western states.
-
E.
Swan Hill line
The Swan Hill line is a regional railway corridor in Victoria, Australia, providing passenger and freight services between Melbourne and the town of Swan Hill.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
branch line
ⓘ
railway line ⓘ |
| category |
Closed railway lines in Australia
ⓘ
Mining railways in Australia ⓘ Rail transport in New South Wales ⓘ |
| connects |
Bourke
ⓘ
Cobar ⓘ |
| connectsRegion |
Bourke regional hub
ⓘ
Cobar mining district ⓘ |
| country | Australia ⓘ |
| endPoint | Bourke ⓘ |
| gauge | standard gauge (assumed for NSW Government Railways) ⓘ |
| hasEndpointCityRole |
Bourke is a regional hub
ⓘ
Cobar is a mining town ⓘ |
| historicalPeriod | historical railway era in New South Wales ⓘ |
| historicalSignificance |
linked remote communities in western New South Wales
ⓘ
supported development of Cobar mining town ⓘ
linked to:
Cobar
|
| infrastructureType | heavy rail ⓘ |
| languageOfPlaceNames | English ⓘ |
| locatedIn |
Bourke Shire
ⓘ
Cobar Shire ⓘ Far West region of New South Wales ⓘ New South Wales ⓘ western New South Wales ⓘ |
| locatedOnContinent | Australia ⓘ |
| owner |
New South Wales Government Railways (likely historical operator)
ⓘ
linked to:
NSW Government Railways
|
| partOf | railway network of New South Wales ⓘ |
| purpose |
support mining industry
ⓘ
transport of goods ⓘ transport of minerals ⓘ |
| regionServed | outback New South Wales ⓘ |
| servedIndustry |
copper mining
ⓘ
mineral extraction ⓘ |
| servedSettlement |
Bourke
ⓘ
Cobar ⓘ |
| startPoint | Cobar ⓘ |
| status |
closed
ⓘ
historical ⓘ |
| terrain | arid outback ⓘ |
| transportMode | rail ⓘ |
| usedFor |
bulk mineral haulage
ⓘ
freight transport ⓘ regional goods 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: Cobar–Bourke railway line (historically) Description of subject: The Cobar–Bourke railway line was a historical branch railway in western New South Wales, Australia, built to connect the mining town of Cobar with the regional hub of Bourke and support the transport of minerals and goods across the outback.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.