E233 series EMU
E126032
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.
All labels observed (13)
| Label | Occurrences |
|---|---|
| E233 series EMU canonical | 5 |
| JR East E233 series | 2 |
| E233 series | 1 |
| E233-0 series | 1 |
| E233-1000 series | 1 |
| E233-2000 series | 1 |
| E233-3000 series | 1 |
| E233-5000 series | 1 |
| E233-6000 series | 1 |
| E233-7000 series | 1 |
| E233-8000 series | 1 |
| JR East E233-0 series EMU | 1 |
| JR East E233-2000 series | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1081021 — 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: E233 series EMU Context triple: [JR Shonan–Shinjuku Line, primaryRollingStock, E233 series EMU]
-
A.
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.
-
B.
NS 88 series
The NS 88 series is a type of electric multiple-unit rolling stock used on the Santiago Metro system in Chile.
-
C.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
D.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
E.
Class 397 Civity EMU
The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
- 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: E233 series EMU Target entity description: 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.
-
A.
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.
-
B.
NS 88 series
The NS 88 series is a type of electric multiple-unit rolling stock used on the Santiago Metro system in Chile.
-
C.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
D.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
E.
Class 397 Civity EMU
The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carbodyMaterial | stainless steel ⓘ |
| country | Japan ⓘ |
| designedFor |
high-capacity commuter services
ⓘ
urban and suburban lines around Tokyo ⓘ |
| doorConfiguration | 4 pairs of doors per side per car on most variants ⓘ |
| electrificationSystem | 1,500 V DC overhead catenary ⓘ |
| enteredService | 2006 ⓘ |
| family |
E231 series EMU
ⓘ
surface form:
JR East E series EMU
|
| feature |
LCD passenger information displays
ⓘ
improved crashworthiness compared with predecessors ⓘ redundant onboard systems for reliability ⓘ universal access toilets on some cars ⓘ wheelchair spaces ⓘ |
| floorHeight | low-floor design for improved accessibility ⓘ |
| gauge | 1,067 mm ⓘ |
| introducedAsSuccessorTo |
201 series EMU
ⓘ
E231 series EMU on some routes ⓘ |
| manufacturer |
Hitachi
ⓘ
J-TREC ⓘ JR East Niitsu Rolling Stock Plant ⓘ Kawasaki Heavy Industries ⓘ Tokyu Car Corporation ⓘ |
| maximumSpeed | 120 km/h ⓘ |
| operator | East Japan Railway Company ⓘ |
| operatorRegion |
Tokyo metropolitan area
ⓘ
surface form:
Greater Tokyo Area
|
| powerOutput | approximately 1,500 kW for a 10-car set (varies by variant) ⓘ |
| replaced |
201 series EMU on some lines
ⓘ
E231 series EMU on some services ⓘ |
| safetySystem |
ATS-P
ⓘ
ATS-P ⓘ
surface form:
ATS-Ps
ATS-SN ⓘ D-ATC (on some variants) ⓘ |
| serviceType | all-stations and rapid commuter services ⓘ |
| traction | IGBT–VVVF inverter control ⓘ |
| usedOnLine |
Chūō Line (Rapid)
ⓘ
Itsukaichi Line (through services) ⓘ Jōban Line local services ⓘ Keihin-Tōhoku Line ⓘ Keiyō Line ⓘ Musashino Line ⓘ Nambu Line ⓘ Negishi Line ⓘ Saikyō Line ⓘ JR Shonan–Shinjuku Line ⓘ
surface form:
Shōnan–Shinjuku Line
Takasaki Line ⓘ
surface form:
Takasaki Line (via Shōnan–Shinjuku and Ueno–Tokyo Line)
Ueno-Tokyo Line ⓘ
surface form:
Tōkaidō Main Line (Ueno–Tokyo Line services)
Utsunomiya Line ⓘ
surface form:
Utsunomiya Line (via Shōnan–Shinjuku and Ueno–Tokyo Line)
Yokohama Line ⓘ JR East Ōme Line ⓘ
surface form:
Ōme Line (through services)
|
| variant |
E233 series EMU
self-linksurface differs
ⓘ
surface form:
E233-0 series
E233 series EMU self-linksurface differs ⓘ
surface form:
E233-1000 series
E233 series EMU self-linksurface differs ⓘ
surface form:
E233-2000 series
E233 series EMU self-linksurface differs ⓘ
surface form:
E233-3000 series
E233 series EMU self-linksurface differs ⓘ
surface form:
E233-5000 series
E233 series EMU self-linksurface differs ⓘ
surface form:
E233-6000 series
E233 series EMU self-linksurface differs ⓘ
surface form:
E233-7000 series
E233 series EMU self-linksurface differs ⓘ
surface form:
E233-8000 series
|
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: E233 series EMU Description of subject: 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.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
E233-0 series
this entity surface form:
E233-1000 series
this entity surface form:
E233-2000 series
this entity surface form:
E233-3000 series
this entity surface form:
E233-5000 series
this entity surface form:
E233-6000 series
this entity surface form:
E233-7000 series
this entity surface form:
E233-8000 series
this entity surface form:
E233 series
this entity surface form:
JR East E233 series
this entity surface form:
JR East E233-2000 series
this entity surface form:
JR East E233 series
this entity surface form:
JR East E233-0 series EMU