Class 331 electric multiple unit
E1060963
UNEXPLORED
The Class 331 electric multiple unit is a modern British commuter train operated by Northern Trains, designed for high-frequency regional services with rapid acceleration and improved passenger comfort.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Class 331 electric multiple unit canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13741294 — 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 331 electric multiple unit Context triple: [Liverpool Lime Street – Manchester Oxford Road, rollingStock, Class 331 electric multiple unit]
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A.
Class 321 electric multiple unit
The Class 321 electric multiple unit is a British suburban and commuter train type introduced in the late 1980s for high-capacity, overhead-electrified passenger services.
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B.
Class 323 electric multiple unit
The Class 323 electric multiple unit is a type of British suburban electric train widely used for high-frequency commuter services around cities such as Birmingham and Manchester.
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C.
Class 315 electric multiple unit
The Class 315 electric multiple unit is a type of British suburban electric train built in the early 1980s for commuter services in and around London.
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D.
Class 317 electric multiple unit
The Class 317 electric multiple unit is a type of British suburban electric train introduced in the early 1980s for commuter services on 25 kV AC overhead electrified routes.
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E.
Class 319 electric multiple unit
The Class 319 electric multiple unit is a dual-voltage British commuter train class introduced in the late 1980s for services on routes such as Thameslink, capable of operating on both overhead and third-rail electrification systems.
- 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 331 electric multiple unit Target entity description: The Class 331 electric multiple unit is a modern British commuter train operated by Northern Trains, designed for high-frequency regional services with rapid acceleration and improved passenger comfort.
-
A.
Class 321 electric multiple unit
The Class 321 electric multiple unit is a British suburban and commuter train type introduced in the late 1980s for high-capacity, overhead-electrified passenger services.
-
B.
Class 323 electric multiple unit
The Class 323 electric multiple unit is a type of British suburban electric train widely used for high-frequency commuter services around cities such as Birmingham and Manchester.
-
C.
Class 315 electric multiple unit
The Class 315 electric multiple unit is a type of British suburban electric train built in the early 1980s for commuter services in and around London.
-
D.
Class 317 electric multiple unit
The Class 317 electric multiple unit is a type of British suburban electric train introduced in the early 1980s for commuter services on 25 kV AC overhead electrified routes.
-
E.
Class 319 electric multiple unit
The Class 319 electric multiple unit is a dual-voltage British commuter train class introduced in the late 1980s for services on routes such as Thameslink, capable of operating on both overhead and third-rail electrification systems.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.