CRH2 EMU
E270063
The CRH2 EMU is a high-speed electric multiple unit train used in China’s railway network, derived from Japan’s Shinkansen technology and designed for fast, long-distance passenger service.
All labels observed (8)
| Label | Occurrences |
|---|---|
| CRH2 EMU canonical | 3 |
| CRH2 | 2 |
| CRH2 trainsets | 1 |
| CRH2A trainsets | 1 |
| CRH2C | 1 |
| CRH2C trainsets | 1 |
| CRH2E | 1 |
| CRH2G | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2467637 — 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: CRH2 EMU Context triple: [Wuhan–Guangzhou High-Speed Railway, usesRollingStock, CRH2 EMU]
-
A.
E233 series EMU
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
-
B.
E235 series EMU
The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
-
C.
E231 series EMU
The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
-
D.
Class 745 EMU
The Class 745 EMU is a modern electric multiple unit train used on regional and intercity services in the UK, built for high-capacity, high-comfort passenger operations.
-
E.
Class 720 EMU
The Class 720 EMU is a modern British electric multiple unit train built for high-capacity commuter and regional services, primarily operated in East Anglia.
- 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: CRH2 EMU Target entity description: The CRH2 EMU is a high-speed electric multiple unit train used in China’s railway network, derived from Japan’s Shinkansen technology and designed for fast, long-distance passenger service.
-
A.
E233 series EMU
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
-
B.
E235 series EMU
The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
-
C.
E231 series EMU
The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
-
D.
Class 745 EMU
The Class 745 EMU is a modern electric multiple unit train used on regional and intercity services in the UK, built for high-capacity, high-comfort passenger operations.
-
E.
Class 720 EMU
The Class 720 EMU is a modern British electric multiple unit train built for high-capacity commuter and regional services, primarily operated in East Anglia.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Chinese high-speed train
ⓘ
high-speed electric multiple unit ⓘ |
| basedOn | Shinkansen technology ⓘ |
| belongsToProgram | China high-speed rail development program ⓘ |
| brakeType |
electropneumatic braking
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| collectionMethod | pantograph ⓘ |
| configuration |
16-car set
ⓘ
8-car set ⓘ |
| countryOfOperation | China ⓘ |
| couplingType | Scharfenberg coupler ⓘ |
| derivedFrom |
E2 series Shinkansen
ⓘ
surface form:
E2 Series Shinkansen
|
| designedFor |
China’s high-speed rail network
ⓘ
high-speed operation ⓘ |
| doorType | sliding plug doors ⓘ |
| electricSystem | 25 kV 50 Hz AC overhead line ⓘ |
| family |
CRH
ⓘ
surface form:
China Railway High-speed (CRH)
|
| hasVariant |
CRH2A
ⓘ
CRH2B ⓘ CRH2 EMU self-linksurface differs ⓘ
surface form:
CRH2C
CRH2 EMU self-linksurface differs ⓘ
surface form:
CRH2E
CRH2 EMU self-linksurface differs ⓘ
surface form:
CRH2G
|
| introducedInService | 2007 ⓘ |
| manufacturer |
CRRC Qingdao Sifang
ⓘ
surface form:
CSR Sifang Locomotive and Rolling Stock
Kawasaki Heavy Industries ⓘ |
| manufacturingCountry | China ⓘ |
| marketedAs | Hexie Hao ⓘ |
| maximumServiceSpeed |
250 km/h
ⓘ
300 km/h ⓘ |
| notableFeature |
derived from imported Shinkansen sets and later localized production
ⓘ
supports distributed traction with powered end cars ⓘ |
| operator | China Railway ⓘ |
| originalDesignCountry | Japan ⓘ |
| powerType | electric ⓘ |
| primaryUse |
high-speed intercity service
ⓘ
long-distance passenger service ⓘ |
| railwayNetwork |
CRH
ⓘ
surface form:
China Railway High-speed
|
| safetySystem |
CTCS-3
ⓘ
surface form:
CTCS
|
| serviceType | passenger ⓘ |
| technologyOrigin | Japan ⓘ |
| trackGauge | standard gauge ⓘ |
| trainType | electric multiple unit ⓘ |
| UICClassification | Bo′Bo′+2′2′+2′2′+Bo′Bo′ (typical set) ⓘ |
| usedOnLine |
Beijing–Shanghai High-Speed Railway
ⓘ
Shanghai–Nanjing intercity railway ⓘ
surface form:
Shanghai–Nanjing Intercity Railway
Wuhan–Guangzhou High-Speed Railway ⓘ |
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: CRH2 EMU Description of subject: The CRH2 EMU is a high-speed electric multiple unit train used in China’s railway network, derived from Japan’s Shinkansen technology and designed for fast, long-distance passenger service.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CRH2
this entity surface form:
CRH2C
this entity surface form:
CRH2E
this entity surface form:
CRH2G
this entity surface form:
CRH2 trainsets
this entity surface form:
CRH2A trainsets
this entity surface form:
CRH2C trainsets
this entity surface form:
CRH2