Class 319
E549606
Class 319 is a type of British dual-voltage electric multiple unit train used primarily for commuter and regional services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Class 319 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5834944 — 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 Context triple: [London Midland, fleetIncluded, Class 319]
-
A.
CP Class 3400
CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
-
B.
Classe
Classe is a historic coastal area near Ravenna in Italy, renowned for its early Christian monuments and archaeological remains.
-
C.
Y class
Y class is the standard economy fare class used by airlines, typically representing full-fare economy tickets with the least restrictions on changes and refunds.
-
D.
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.
-
E.
BB-34 class
The BB-34 class, better known as the New York-class, was a pair of early 20th-century U.S. Navy dreadnought battleships that served through both World Wars.
- 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 Target entity description: Class 319 is a type of British dual-voltage electric multiple unit train used primarily for commuter and regional services.
-
A.
CP Class 3400
CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
-
B.
Classe
Classe is a historic coastal area near Ravenna in Italy, renowned for its early Christian monuments and archaeological remains.
-
C.
Y class
Y class is the standard economy fare class used by airlines, typically representing full-fare economy tickets with the least restrictions on changes and refunds.
-
D.
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.
-
E.
BB-34 class
The BB-34 class, better known as the New York-class, was a pair of early 20th-century U.S. Navy dreadnought battleships that served through both World Wars.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
dual-voltage train
ⓘ
electric multiple unit ⓘ |
| brakingSystem | air brakes ⓘ |
| carBodyConstruction | steel ⓘ |
| configuration | 4-car unit ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| couplingType | Tightlock ⓘ |
| designedBy | British Rail Engineering Limited NERFINISHED ⓘ |
| designedFor |
Bedpan line
ⓘ
Thameslink route NERFINISHED ⓘ |
| doorType |
power-operated sliding doors (refurbished)
ⓘ
slam doors (original) ⓘ |
| electricCollectionMethod |
pantograph
ⓘ
third-rail shoegear ⓘ |
| electricSystemType | dual-voltage ⓘ |
| enteredService | 1988 ⓘ |
| family | Mark 3-based EMU NERFINISHED ⓘ |
| introduced | 1987 ⓘ |
| manufacturer |
BREL York
NERFINISHED
ⓘ
British Rail Engineering Limited NERFINISHED ⓘ |
| multipleWorking | compatible with other 319 units ⓘ |
| numberBuilt | 86 units ⓘ |
| operator |
British Rail
NERFINISHED
ⓘ
First Capital Connect NERFINISHED ⓘ Govia Thameslink Railway NERFINISHED ⓘ London Midland NERFINISHED ⓘ Northern Rail NERFINISHED ⓘ Northern Trains ⓘ Thameslink NERFINISHED ⓘ |
| owner |
Eversholt Rail
NERFINISHED
ⓘ
Porterbrook NERFINISHED ⓘ |
| powerSupply |
25 kV AC overhead
ⓘ
750 V DC third rail ⓘ |
| primaryUse |
commuter services
ⓘ
regional services ⓘ |
| refurbishedAs | Class 769 bi-mode units NERFINISHED ⓘ |
| serviceArea |
London
NERFINISHED
ⓘ
Midlands NERFINISHED ⓘ North West England NERFINISHED ⓘ South East England NERFINISHED ⓘ |
| serviceStatus | in service (reduced numbers) ⓘ |
| successor | British Rail Class 700 NERFINISHED ⓘ |
| topSpeed |
100 mph
ⓘ
161 km/h ⓘ |
| trackGauge | standard gauge ⓘ |
| UICClassification | Bo′Bo′+2′2′ ⓘ |
| usedFor | cross-London services ⓘ |
| usedOn |
Bedford to Brighton services
ⓘ
St Pancras to Moorgate services (historical) ⓘ Thameslink core route NERFINISHED ⓘ |
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 Description of subject: Class 319 is a type of British dual-voltage electric multiple unit train used primarily for commuter and regional services.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.