South Wales Main Line
E16146
The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T116390 — 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: South Wales Main Line Context triple: [South Wales, hasTransportInfrastructure, South Wales Main Line]
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A.
Eccles Line
The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
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B.
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.
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C.
Transport for Wales Rail
Transport for Wales Rail is a Welsh train operating company that provides regional and intercity rail services across Wales and into parts of England.
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D.
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.
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E.
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.
- 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: South Wales Main Line Target entity description: The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
-
A.
Eccles Line
The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
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B.
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.
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C.
Transport for Wales Rail
Transport for Wales Rail is a Welsh train operating company that provides regional and intercity rail services across Wales and into parts of England.
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D.
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.
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E.
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.
- F. None of above. chosen
Statements (46)
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: South Wales Main Line Description of subject: The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
Referenced by (63)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
South Wales (region of Wales)
linked to: South Wales Main Line
linked to: South Wales Main Line
linked to: South Wales Main Line
linked to: South Wales Main Line
linked to: South Wales Main Line
linked to: South Wales Main Line
Milford Haven railway station
→
locatedOn
→
South Wales Main Line (historical connection via West Wales Line)
ⓘ
linked to: South Wales Main Line
linked to: South Wales Main Line
linked to: South Wales Main Line
linked to: South Wales Main Line
Ogmore (UK Parliament constituency)
→
hasTransportLink
→
South Wales Main Line (nearby rail services)
ⓘ
linked to: South Wales Main Line
subject linked to:
Llanharan