JR East E231-500 series EMU

E1072317 UNEXPLORED

The JR East E231-500 series EMU is a Japanese commuter electric multiple unit train type operated by East Japan Railway Company, known for its high-capacity, high-frequency service in the Tokyo metropolitan area.

Try in SPARQL Jump to: Surface forms Disambiguation Referenced by

All labels observed (6)

Label	Occurrences
JR East E-series EMUs	1
JR East E231 series	1
JR East E231 series EMU	1
JR East E231-500 series EMU canonical	1
JR East EMU trains	1
JR East suburban EMU	1

How this entity was disambiguated

This entity first appeared as the object of triple T13875495 — 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 East E231-500 series EMU
Context triple: [Musashino Line, rollingStockUsed, JR East E231-500 series EMU]

A. JR East 205 series
The JR East 205 series is a Japanese electric multiple unit commuter train type introduced in the 1980s and widely used on various urban and suburban lines in the Tokyo area.
B. JR East 209 series
The JR East 209 series is a Japanese commuter electric multiple unit train type introduced in the 1990s for high-frequency urban and suburban services in the Tokyo area.
C. Tokyu 5080 series EMU
The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
D. JR West 225 series EMU
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.
E. 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.
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 East E231-500 series EMU
Target entity description: The JR East E231-500 series EMU is a Japanese commuter electric multiple unit train type operated by East Japan Railway Company, known for its high-capacity, high-frequency service in the Tokyo metropolitan area.

A. JR East 205 series
The JR East 205 series is a Japanese electric multiple unit commuter train type introduced in the 1980s and widely used on various urban and suburban lines in the Tokyo area.
B. JR East 209 series
The JR East 209 series is a Japanese commuter electric multiple unit train type introduced in the 1990s for high-frequency urban and suburban services in the Tokyo area.
C. Tokyu 5080 series EMU
The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
D. JR West 225 series EMU
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.
E. 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.
F. None of above. chosen