JR West 321 series EMU

E279191

commuter train electric multiple unit

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.

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All labels observed (3)

Label	Occurrences
JR West 321 series	5
JR West 321 series EMU canonical	2
JR West commuter EMU	1

How this entity was disambiguated

This entity first appeared as the object of triple T2567372 — 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 321 series EMU
Context triple: [JR Kobe Line, primaryRollingStockType, JR West 321 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. 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. Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
E. 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.
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 321 series EMU
Target entity description: 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.

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. 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. Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
E. 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.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	commuter train ⓘ electric multiple unit ⓘ
brakeType	electro-pneumatic brake ⓘ regenerative brake ⓘ
carBodyMaterial	stainless steel ⓘ
category	Japanese commuter EMU ⓘ
country	Japan ⓘ
couplingType	Shibata-type ⓘ
designedBy	West Japan Railway Company ⓘ
designedFor	high-density commuter traffic ⓘ
doorConfiguration	3 pairs per side per car ⓘ
doorLocation	side doors only ⓘ
doorType	sliding doors ⓘ
electrificationSystem	1,500 V DC overhead catenary ⓘ
family	JR West commuter EMU ⓘ linked to: JR West 321 series EMU
formation	7-car sets ⓘ
gaugeCategory	Cape gauge ⓘ
intendedRole	replacement and supplement for older commuter stock ⓘ
multipleWorking	compatible with JR West 207 series ⓘ
operationMode	bidirectional ⓘ
operator	JR West ⓘ West Japan Railway Company ⓘ
operatorStyle	driver-only operation capable (on some services) ⓘ
operatorType	passenger ⓘ
owner	West Japan Railway Company ⓘ
passengerService	standard class only ⓘ
powerType	electric ⓘ
primaryUse	suburban commuter services ⓘ urban commuter services ⓘ
railNetwork	JR West Urban Network ⓘ
railwayCompanyType	JR Group company ⓘ
railwaySystem	conventional lines ⓘ
regionServed	Kansai region ⓘ
serviceArea	JR Kobe Line ⓘ JR Kyoto Line ⓘ JR Takarazuka Line ⓘ Osaka Loop Line (select services) ⓘ linked to: Osaka Loop Line
serviceEnvironment	commuter rail ⓘ
serviceFrequencyRole	used on high-frequency timetables ⓘ
servicePattern	all-stations services ⓘ rapid services (selected) ⓘ
serviceRegion	Hyogo Prefecture ⓘ Kyoto Prefecture ⓘ Osaka metropolitan area ⓘ linked to: Osaka–Kobe metropolitan area
serviceType	high-frequency stopping services ⓘ
trackGauge	1,067 mm ⓘ
trackType	narrow gauge ⓘ
traction	electric traction ⓘ
usageStatus	in service ⓘ

How these facts were elicited