JR West 225 series EMU
E284124
The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
All labels observed (2)
| Label | Occurrences |
|---|---|
| JR West 225 series | 4 |
| JR West 225 series EMU canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2567374 — 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: JR West 225 series EMU Context triple: [JR Kobe Line, primaryRollingStockType, JR West 225 series EMU]
-
A.
JR West 223 series EMU
The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
-
B.
JR West 321 series EMU
The JR West 321 series EMU is a Japanese commuter electric multiple unit train operated by West Japan Railway Company, primarily used for high-frequency urban and suburban services in the Kansai region.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: JR West 225 series EMU Target entity description: The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
-
A.
JR West 223 series EMU
The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
-
B.
JR West 321 series EMU
The JR West 321 series EMU is a Japanese commuter electric multiple unit train operated by West Japan Railway Company, primarily used for high-frequency urban and suburban services in the Kansai region.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ suburban train ⓘ |
| brakeType |
electro‑pneumatic brakes
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| collectionMethod | pantograph ⓘ |
| country | Japan ⓘ |
| designedFor |
commuter services
ⓘ
high‑frequency services ⓘ high‑speed services ⓘ suburban services ⓘ |
| designedWith | improved crashworthiness ⓘ |
| doorConfiguration | 3 pairs of doors per side per car on most variants ⓘ |
| electricSystem | 1,500 V DC overhead catenary ⓘ |
| enteredService | 2010 ⓘ |
| family | JR West 223/225 series family ⓘ |
| feature |
LED destination indicators
ⓘ
enhanced passenger safety features ⓘ improved passenger comfort ⓘ priority seating areas ⓘ universal access toilets on some cars ⓘ |
| hasVariant |
225-0 series
ⓘ
225-100 series ⓘ
linked to:
223 series
225-5000 series ⓘ
linked to:
225-0 series
225-5100 series ⓘ |
| introduced | 2010 ⓘ |
| manufacturer |
Kawasaki Heavy Industries
ⓘ
Kinki Sharyo ⓘ |
| maximumSpeed | 130 km/h ⓘ |
| operator | West Japan Railway Company ⓘ |
| powerType | electric ⓘ |
| predecessor |
JR West 221 series
ⓘ
JR West 223 series ⓘ
linked to:
JR West 223 series EMU
|
| railwayCompany | JR West ⓘ |
| region | Kansai region ⓘ |
| safetySystem |
ATS-P
ⓘ
ATS-SW ⓘ |
| serviceType |
suburban
ⓘ
urban commuter ⓘ |
| successorTo | older 113 series EMUs on some routes ⓘ |
| trackGauge |
1,067 mm
ⓘ
Cape gauge ⓘ |
| usedOnLine |
Hanwa Line
ⓘ
Kosei Line NERFINISHED ⓘ Kusatsu Line NERFINISHED ⓘ San-yō Main Line (JR Kobe Line section) ⓘ
linked to:
JR Kobe Line
Tokaido Main Line (JR Kyoto Line / JR Kobe Line) ⓘ
linked to:
Tōkaidō Main 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: JR West 225 series EMU Description of subject: The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: JR West 225 series EMU
linked to: JR West 225 series EMU
linked to: JR West 225 series EMU
linked to: JR West 225 series EMU