Class 91 locomotive
E1502193
UNEXPLORED
The Class 91 locomotive is a high-speed electric locomotive used on Britain’s East Coast Main Line, designed for 140 mph operation and commonly paired with Mark 4 coaching stock.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Class 91 locomotive canonical | 2 |
| Class 91 locomotives | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21804447 — 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: Class 91 locomotive Context triple: [Mark 4 coaching stock, usedWith, Class 91 locomotive]
-
A.
Class 90 locomotive
The Class 90 locomotive is a British electric locomotive class introduced in the late 1980s, widely used for both high-speed passenger and heavy freight services on the UK rail network.
-
B.
Class 86 locomotive
The Class 86 locomotive is a British electric locomotive class introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes.
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C.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
-
D.
Class 68 locomotive
The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
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E.
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
- 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: Class 91 locomotive Target entity description: The Class 91 locomotive is a high-speed electric locomotive used on Britain’s East Coast Main Line, designed for 140 mph operation and commonly paired with Mark 4 coaching stock.
-
A.
Class 90 locomotive
The Class 90 locomotive is a British electric locomotive class introduced in the late 1980s, widely used for both high-speed passenger and heavy freight services on the UK rail network.
-
B.
Class 86 locomotive
The Class 86 locomotive is a British electric locomotive class introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes.
-
C.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
-
D.
Class 68 locomotive
The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
-
E.
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Class 91 locomotive