E235 series EMU
E138591
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| E235 series | 2 |
| E235 series EMU canonical | 2 |
| E235 series 1000 subseries | 1 |
| E235 series EMU (on some lines) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1146091 — 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: E235 series EMU Context triple: [JR Yamanote Line, rollingStock, E235 series 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.
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.
-
C.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
-
D.
Seibu 6000 series
The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway lines.
-
E.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
- 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: E235 series EMU Target entity description: 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.
-
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.
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.
-
C.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
-
D.
Seibu 6000 series
The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway lines.
-
E.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| collectionMethod | pantograph ⓘ |
| country | Japan ⓘ |
| designedFor |
commuter services
ⓘ
urban rail ⓘ |
| doorConfiguration | 4 pairs per side per car ⓘ |
| electrificationSystem | 1,500 V DC overhead catenary ⓘ |
| enteredService | 2015-11-30 ⓘ |
| family |
E231 series EMU
ⓘ
surface form:
JR East E series EMU
|
| features |
LCD passenger information screens above doors
ⓘ
LED interior lighting ⓘ advanced onboard passenger information displays ⓘ energy-efficient design ⓘ security cameras ⓘ universal access toilets (on some sets) ⓘ wheelchair spaces ⓘ |
| formation |
10-car sets (other lines)
ⓘ
11-car sets (Yamanote Line) ⓘ 12-car sets (Yokosuka–Sobu Rapid) ⓘ |
| introduced | 2015 ⓘ |
| manufacturer |
J-TREC
ⓘ
Kawasaki Heavy Industries ⓘ |
| operator |
East Japan Railway Company
ⓘ
East Japan Railway Company ⓘ
surface form:
JR East
|
| powerType | electric ⓘ |
| replaced |
E217 series
ⓘ
E231 series EMU ⓘ
surface form:
E231-500 series
|
| safetySystem |
ATC
ⓘ
ATS-P ⓘ ATS-P ⓘ
surface form:
ATS-Ps
|
| serviceType |
rapid services
ⓘ
stopping services ⓘ |
| trackGauge | 1067 mm ⓘ |
| traction | IGBT–VVVF inverter control ⓘ |
| tractionMotors | 3-phase AC induction motors ⓘ |
| usedOnArea | Tokyo metropolitan area ⓘ |
| usedOnLine |
Joban Line (local services)
ⓘ
Keihin-Tōhoku Line ⓘ
surface form:
Keihin-Tohoku Line
Narita Line ⓘ Negishi Line ⓘ Sōbu Line Rapid ⓘ
surface form:
Sobu Line (Rapid)
Takasaki Line ⓘ Tōkaidō Main Line ⓘ
surface form:
Tokaido Line (JR East)
Utsunomiya Line ⓘ JR Yamanote Line ⓘ
surface form:
Yamanote Line
Yokosuka Line ⓘ |
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: E235 series EMU Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
E235 series EMU (on some lines)
this entity surface form:
E235 series
this entity surface form:
E235 series 1000 subseries
this entity surface form:
E235 series