British Rail Class 387
E267340
The British Rail Class 387 is a fleet of modern electric multiple-unit trains used on high-speed commuter and airport services in the UK.
All labels observed (1)
| Label | Occurrences |
|---|---|
| British Rail Class 387 canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T2377919 — 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: British Rail Class 387 Context triple: [Heathrow Express, rollingStock, British Rail Class 387]
-
A.
British Rail Class 377
The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
-
B.
British Rail Class 373
The British Rail Class 373 is a high-speed electric multiple unit train designed for cross-Channel services through the Channel Tunnel, primarily operated by Eurostar between the UK and mainland Europe.
-
C.
British Rail Class 395
The British Rail Class 395 is a high-speed electric multiple unit train used in the UK, best known for operating Southeastern’s domestic services on High Speed 1 between London and Kent.
-
D.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
-
E.
British Rail Class 332
The British Rail Class 332 is an electric multiple unit train type built in the late 1990s specifically for high-speed, premium passenger services between London Paddington and Heathrow Airport.
- 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: British Rail Class 387 Target entity description: The British Rail Class 387 is a fleet of modern electric multiple-unit trains used on high-speed commuter and airport services in the UK.
-
A.
British Rail Class 377
The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
-
B.
British Rail Class 373
The British Rail Class 373 is a high-speed electric multiple unit train designed for cross-Channel services through the Channel Tunnel, primarily operated by Eurostar between the UK and mainland Europe.
-
C.
British Rail Class 395
The British Rail Class 395 is a high-speed electric multiple unit train used in the UK, best known for operating Southeastern’s domestic services on High Speed 1 between London and Kent.
-
D.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
-
E.
British Rail Class 332
The British Rail Class 332 is an electric multiple unit train type built in the late 1990s specifically for high-speed, premium passenger services between London Paddington and Heathrow Airport.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
passenger train ⓘ railway rolling stock class ⓘ |
| brakeType | electro-pneumatic brake ⓘ |
| buildLocation |
Derby Litchurch Lane Works
ⓘ
linked to:
Derby railway works
|
| category | British electric multiple units ⓘ |
| collectionMethod |
pantograph
ⓘ
third rail shoegear ⓘ |
| configuration | 4-car unit ⓘ |
| country | United Kingdom ⓘ |
| coupling | Dellner ⓘ |
| designedFor |
airport services
ⓘ
commuter services ⓘ |
| doorArrangement | two sets of doors per side per car (typical) ⓘ |
| doorType | sliding plug doors ⓘ |
| electricSystem |
25 kV AC overhead
ⓘ
750 V DC third rail ⓘ |
| enteredService | 2015 ⓘ |
| family | Electrostar ⓘ |
| formation | DMSO+MSO+TSO+DMSO (typical) ⓘ |
| gauge | 1435 mm ⓘ |
| introduced | 2014 ⓘ |
| manufacturer |
Bombardier Transportation
ⓘ
linked to:
Alstom (formerly Bombardier Transportation)
|
| multipleWorking | compatible with other Electrostar units ⓘ |
| operator |
Govia Thameslink Railway
ⓘ
Great Northern ⓘ Great Western Railway ⓘ Heathrow Express ⓘ Thameslink ⓘ c2c ⓘ |
| powerOutput | approximately 1.68 MW ⓘ |
| powerType | electric ⓘ |
| precededBy | British Rail Class 379 ⓘ |
| relatedTo | British Rail Class 377 ⓘ |
| safetySystem |
AWS
ⓘ
GSM-R ⓘ TPWS ⓘ |
| serviceType |
airport express
ⓘ
high-speed commuter ⓘ suburban ⓘ |
| topSpeed |
110 mph
ⓘ
177 km/h ⓘ |
| trackGauge | standard gauge ⓘ |
| UICClassification | Bo′Bo′+2′2′+2′2′+Bo′Bo′ (typical for 4-car EMU) ⓘ |
| usedOn |
Great Western Main Line
ⓘ
Heathrow Express services ⓘ
linked to:
Heathrow Express
London Paddington – Heathrow Airport ⓘ
linked to:
London Paddington–Heathrow Airport
Thameslink route ⓘ |
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: British Rail Class 387 Description of subject: The British Rail Class 387 is a fleet of modern electric multiple-unit trains used on high-speed commuter and airport services in the UK.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Bombardier Electrostar (electric multiple unit family)
subject linked to:
Class 387/1
subject linked to:
Class 387/2
subject linked to:
Class 387/3
subject linked to:
Class 387/4
subject linked to:
Class 317 EMU