Great Western Railway
E28420
Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
All labels observed (21)
How this entity was disambiguated
This entity first appeared as the object of triple T217871 — 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: Great Western Railway Context triple: [Cardiff Central, operator, Great Western Railway]
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A.
London and North Western Railway
London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
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B.
London, Midland and Scottish Railway
The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
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C.
Great Northern Railway
Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
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D.
British Rail
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
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E.
Caledonian Railway
Caledonian Railway was a major Scottish railway company that operated extensive routes across Scotland and into England during the 19th and early 20th centuries.
- 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: Great Western Railway Target entity description: Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
-
A.
London and North Western Railway
London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
-
B.
London, Midland and Scottish Railway
The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
-
C.
Great Northern Railway
Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
-
D.
British Rail
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
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E.
Caledonian Railway
Caledonian Railway was a major Scottish railway company that operated extensive routes across Scotland and into England during the 19th and early 20th centuries.
- F. None of above. chosen
Statements (55)
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: Great Western Railway Description of subject: Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
Referenced by (399)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Kemble
this entity surface form:
Great Western Railway (limited services)
this entity surface form:
Great Western Railway (historic company)
this entity surface form:
Great Western Railway (historic)
subject surface form:
British Rail Class 165
this entity surface form:
Great Western Railway network
this entity surface form:
Great Western Railway (pre‑grouping company)
subject surface form:
British Rail Class 166
subject surface form:
British Rail Class 166
this entity surface form:
Great Western Railway network
subject surface form:
British Rail Class 150
subject surface form:
British Rail Class 387