Swansea–Cardiff line
E428872
The Swansea–Cardiff line is a key railway route in South Wales that connects the cities of Swansea and Cardiff and serves numerous intermediate towns and communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Swansea–Cardiff line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4290292 — 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: Swansea–Cardiff line Context triple: [Neath railway station, locatedOnLine, Swansea–Cardiff line]
-
A.
Cardiff to Portsmouth Line
The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
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B.
Vale of Glamorgan Line
The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
-
C.
Cardiff City Line
Cardiff City Line is a suburban railway line in Cardiff, Wales, providing local passenger services between the city centre and its western districts.
-
D.
Cynwyd Line
The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
-
E.
West Wales Line
The West Wales Line is a railway route in southwest Wales that links the South Wales rail network to coastal towns such as Carmarthen, Milford Haven, and Fishguard.
- 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: Swansea–Cardiff line Target entity description: The Swansea–Cardiff line is a key railway route in South Wales that connects the cities of Swansea and Cardiff and serves numerous intermediate towns and communities.
-
A.
Cardiff to Portsmouth Line
The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
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B.
Vale of Glamorgan Line
The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
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C.
Cardiff City Line
Cardiff City Line is a suburban railway line in Cardiff, Wales, providing local passenger services between the city centre and its western districts.
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D.
Cynwyd Line
The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
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E.
West Wales Line
The West Wales Line is a railway route in southwest Wales that links the South Wales rail network to coastal towns such as Carmarthen, Milford Haven, and Fishguard.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
heavy rail
ⓘ
railway line ⓘ |
| alsoUsedFor | freight traffic ⓘ |
| connects |
Cardiff
NERFINISHED
ⓘ
Swansea NERFINISHED ⓘ |
| country | Wales ⓘ |
| electrificationStatus | partially electrified ⓘ |
| formsCorridorBetween |
Cardiff Capital Region
NERFINISHED
ⓘ
West Wales NERFINISHED ⓘ |
| hasExpressServices | yes ⓘ |
| hasStoppingServices | yes ⓘ |
| importance | key railway route in South Wales ⓘ |
| locatedIn | United Kingdom ⓘ |
| operator |
Great Western Railway
NERFINISHED
ⓘ
Transport for Wales Rail NERFINISHED ⓘ |
| owner | Network Rail NERFINISHED ⓘ |
| partOf |
Great Western Main Line network
NERFINISHED
ⓘ
South Wales Main Line NERFINISHED ⓘ |
| primaryUse | passenger rail ⓘ |
| railwayStationOnLine |
Bridgend railway station
NERFINISHED
ⓘ
Cardiff Central railway station NERFINISHED ⓘ Neath railway station NERFINISHED ⓘ Pontyclun railway station NERFINISHED ⓘ Port Talbot Parkway railway station NERFINISHED ⓘ Swansea railway station NERFINISHED ⓘ |
| region | South Wales NERFINISHED ⓘ |
| servesCity |
Cardiff
NERFINISHED
ⓘ
Swansea NERFINISHED ⓘ |
| servesCommunity |
Baglan
NERFINISHED
ⓘ
Barry NERFINISHED ⓘ Briton Ferry NERFINISHED ⓘ Cardiff suburbs ⓘ Grangetown, Cardiff NERFINISHED ⓘ Llantwit Major NERFINISHED ⓘ Pyle NERFINISHED ⓘ Rhoose NERFINISHED ⓘ Skewen NERFINISHED ⓘ |
| servesTown |
Bridgend
NERFINISHED
ⓘ
Neath NERFINISHED ⓘ Pencoed NERFINISHED ⓘ Pontyclun NERFINISHED ⓘ Port Talbot NERFINISHED ⓘ |
| serviceType | inter-urban rail ⓘ |
| terminus |
Cardiff Central railway station
NERFINISHED
ⓘ
Swansea railway station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usedBy |
local commuter services
ⓘ
long-distance services to London ⓘ regional 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: Swansea–Cardiff line Description of subject: The Swansea–Cardiff line is a key railway route in South Wales that connects the cities of Swansea and Cardiff and serves numerous intermediate towns and communities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.