Class 319 electric multiple unit
E630537
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Class 319 electric multiple unit canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6963245 — 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 319 electric multiple unit Context triple: [First Capital Connect, usedRollingStockType, Class 319 electric multiple unit]
-
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 365 electric multiple unit
The Class 365 electric multiple unit is a British dual-voltage commuter train type introduced in the 1990s for high-frequency suburban and regional services, primarily around London and the southeast.
-
D.
Class 360 electric multiple unit
The Class 360 electric multiple unit is a type of British high-speed commuter train used on electrified mainline routes for regional and outer-suburban passenger services.
-
E.
Class 385 electric multiple units
The Class 385 electric multiple units are modern electric commuter trains used by ScotRail, primarily operating on electrified routes in Scotland’s Central Belt.
- 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 319 electric multiple unit Target entity description: 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.
-
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 365 electric multiple unit
The Class 365 electric multiple unit is a British dual-voltage commuter train type introduced in the 1990s for high-frequency suburban and regional services, primarily around London and the southeast.
-
D.
Class 360 electric multiple unit
The Class 360 electric multiple unit is a type of British high-speed commuter train used on electrified mainline routes for regional and outer-suburban passenger services.
-
E.
Class 385 electric multiple units
The Class 385 electric multiple units are modern electric commuter trains used by ScotRail, primarily operating on electrified routes in Scotland’s Central Belt.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
dual-voltage train
ⓘ
electric multiple unit ⓘ |
| brakeType | air brakes ⓘ |
| carBodyMaterial | steel ⓘ |
| conversionVariant | Class 769 bi-mode multiple unit NERFINISHED ⓘ |
| country | United Kingdom ⓘ |
| designedFor |
cross-London services
ⓘ
operation under two different electrification systems ⓘ |
| designedForRoute |
Bedpan route
ⓘ
Thameslink NERFINISHED ⓘ |
| electrificationSystem |
25 kV AC overhead
ⓘ
750 V DC third rail ⓘ |
| enteredServiceDecade | 1980s ⓘ |
| family | Mark 3-based EMU ⓘ |
| formation | 4-car unit ⓘ |
| introduced | late 1980s ⓘ |
| laterOperator |
Arriva Rail North
NERFINISHED
ⓘ
First Capital Connect NERFINISHED ⓘ Govia Thameslink Railway NERFINISHED ⓘ London Midland NERFINISHED ⓘ Northern NERFINISHED ⓘ Northern Trains NERFINISHED ⓘ Thameslink NERFINISHED ⓘ West Midlands Trains NERFINISHED ⓘ |
| manufacturer |
BREL York Works
NERFINISHED
ⓘ
British Rail Engineering Limited NERFINISHED ⓘ |
| multipleWorking | compatible with other Mark 3-based EMUs ⓘ |
| operatorCountry | United Kingdom NERFINISHED ⓘ |
| operatorType | passenger operator ⓘ |
| originalOperator |
British Rail
NERFINISHED
ⓘ
Network SouthEast NERFINISHED ⓘ |
| powerCollectionMethod |
contact shoe
ⓘ
pantograph ⓘ |
| primaryUse |
commuter services
ⓘ
regional services ⓘ suburban services ⓘ |
| routeUsedOn |
Bedford to Brighton
ⓘ
London Blackfriars to Brighton NERFINISHED ⓘ London St Pancras to Bedford NERFINISHED ⓘ London to Sutton loop NERFINISHED ⓘ North West England electrified routes ⓘ Thameslink core ⓘ |
| serviceEntryYear |
1987
ⓘ
1988 ⓘ |
| serviceType | commuter rail ⓘ |
| topSpeed |
100 mph
ⓘ
160 km/h ⓘ |
| trackGauge |
1435 mm
ⓘ
standard gauge ⓘ |
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: Class 319 electric multiple unit Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.