Class 158
E524216
Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Class 158 canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5493692 — 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 158 Context triple: [Nottingham to Skegness, typicalRollingStock, Class 158]
-
A.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
B.
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.
-
C.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
-
D.
Klas
Klas is a Scandinavian given name, commonly used as a variant of Nicholas.
-
E.
JH 1580
JH 1580 is the catalogue number assigned to Vincent van Gogh’s painting "The Night Café" in the standard reference of his works.
- 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 158 Target entity description: Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
-
A.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
B.
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.
-
C.
Class 180 Adelante
The Class 180 Adelante is a high-speed diesel multiple unit train used on intercity and regional services on the British railway network.
-
D.
Klas
Klas is a Scandinavian given name, commonly used as a variant of Nicholas.
-
E.
JH 1580
JH 1580 is the catalogue number assigned to Vincent van Gogh’s painting "The Night Café" in the standard reference of his works.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | diesel multiple unit ⓘ |
| brakeType | air brakes ⓘ |
| builder | British Rail Engineering Limited ⓘ |
| builtAt |
Derby Litchurch Lane Works
ⓘ
linked to:
Derby railway works
|
| carBodyConstruction | steel ⓘ |
| configuration | multiple unit ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| coupling | BSI automatic coupler ⓘ |
| designedBy | British Rail Engineering Limited ⓘ |
| designedFor |
intercity services
ⓘ
long‑distance services ⓘ regional services ⓘ |
| doorType | single‑leaf sliding plug doors ⓘ |
| engineType | diesel engine ⓘ |
| enteredService | 1990 ⓘ |
| family | Sprinter ⓘ |
| feature |
air conditioning
ⓘ
high‑back seating ⓘ improved sound insulation ⓘ inter‑unit gangways ⓘ luggage racks ⓘ toilets ⓘ |
| gauge | standard gauge ⓘ |
| introduced | 1989 ⓘ |
| manufacturer | BREL Derby ⓘ |
| maximumSpeed |
145 km/h
ⓘ
90 mph ⓘ |
| nickName |
Express Sprinter
ⓘ
linked to:
Sprinter
|
| notableFor | higher comfort and speed than older provincial stock ⓘ |
| numberOfCarsPerSet |
2
ⓘ
3 ⓘ |
| operator |
British Rail
ⓘ
British Rail Provincial sector ⓘ British Rail Regional Railways ⓘ
linked to:
British Rail Provincial sector
East Midlands Railway ⓘ Great Western Railway ⓘ Northern Trains ⓘ ScotRail ⓘ South Western Railway ⓘ Transport for Wales ⓘ
linked to:
Transport for Wales Rail
|
| powerType | diesel ⓘ |
| serviceRole | higher‑comfort regional DMU ⓘ |
| successorTo | older Provincial sector DMUs ⓘ |
| trackGauge | 1435 mm ⓘ |
| transmission | hydraulic transmission ⓘ |
| UICClassification | Bo′2′ ⓘ |
| usedOn |
interurban routes in Great Britain
ⓘ
regional routes in Great Britain ⓘ |
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 158 Description of subject: Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.