287 series EMU
E928492
The 287 series EMU is a Japanese electric multiple unit train operated by JR West, primarily used for limited express services in the Kansai region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 287 series EMU canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11480021 — 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: 287 series EMU Context triple: [Kuroshio limited express, rollingStock, 287 series EMU]
-
A.
323 series EMU
The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter services.
-
B.
683 series EMU
The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
-
C.
70 series EMU
The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
-
D.
21-series EMU
The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
-
E.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
- 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: 287 series EMU Target entity description: The 287 series EMU is a Japanese electric multiple unit train operated by JR West, primarily used for limited express services in the Kansai region.
-
A.
323 series EMU
The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter services.
-
B.
683 series EMU
The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
-
C.
70 series EMU
The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
-
D.
21-series EMU
The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
-
E.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese train type
ⓘ
electric multiple unit ⓘ |
| belongsToOperatorRegion | JR West Urban Network ⓘ |
| brakeType |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| collectionMethod | pantograph ⓘ |
| country | Japan ⓘ |
| designedFor | replacement of aging limited express rolling stock ⓘ |
| doorConfiguration | one door per side per car ⓘ |
| electricSystem | AC 20 kV 60 Hz overhead ⓘ |
| enteredTestService | 2010 ⓘ |
| family |
JR West limited express EMU
ⓘ
linked to:
JR West 271 series
|
| formation |
3-car sets
ⓘ
4-car sets ⓘ 6-car sets ⓘ |
| hasCabType | front-end gangway cab ⓘ |
| hasInteriorFeature |
LED passenger information displays
ⓘ
reclining seats ⓘ reserved and non-reserved seating ⓘ universal access toilet ⓘ |
| introducedInService | 2011 ⓘ |
| manufacturer |
Kawasaki Heavy Industries
ⓘ
Kinki Sharyo ⓘ |
| maximumSpeed | 130 km/h ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| operatorColorScheme | white body with colored stripes depending on service ⓘ |
| operatorService |
Amanohashidate limited express
ⓘ
Hashidate limited express ⓘ
linked to:
Hashidate
Kinosaki limited express ⓘ Kounotori limited express ⓘ
linked to:
Kōnotori limited express
Kuroshio limited express ⓘ Maizuru limited express ⓘ |
| owner | JR West ⓘ |
| powerOutput | approximately 440 kW per motor car ⓘ |
| primaryRegionOfOperation | Kansai region ⓘ |
| replaced |
183 series EMU
ⓘ
381 series EMU ⓘ |
| safetySystem |
ATS-P
ⓘ
ATS-SW ⓘ |
| serviceType | limited express ⓘ |
| trackGauge |
1067 mm
ⓘ
Cape gauge ⓘ |
| usedOnLine |
Fukuchiyama Line
NERFINISHED
ⓘ
Kisei Main Line NERFINISHED ⓘ Maizuru Line NERFINISHED ⓘ Sanin Main Line NERFINISHED ⓘ |
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: 287 series EMU Description of subject: The 287 series EMU is a Japanese electric multiple unit train operated by JR West, primarily used for limited express services in the Kansai region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.