JR West 283 series
E1019992
The JR West 283 series is a tilting electric multiple unit train operated by West Japan Railway Company, primarily used for limited express services in western Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| JR West 283 series canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12837907 — 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 283 series Context triple: [JR West 281 series, family, JR West 283 series]
-
A.
JR West 281 series
The JR West 281 series is a Japanese electric multiple unit train operated by West Japan Railway Company, best known for serving limited express airport services in the Kansai region.
-
B.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
-
C.
JR West 323 series
The JR West 323 series is a modern electric multiple unit commuter train operated by West Japan Railway Company, primarily used on urban lines in the Osaka area.
-
D.
JR West 207 series
The JR West 207 series is a Japanese electric multiple unit commuter train operated by West Japan Railway Company on urban and suburban lines in the Kansai region.
-
E.
JR West 221 series
The JR West 221 series is a Japanese electric multiple unit train type operated by West Japan Railway Company for suburban and interurban 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: JR West 283 series Target entity description: The JR West 283 series is a tilting electric multiple unit train operated by West Japan Railway Company, primarily used for limited express services in western Japan.
-
A.
JR West 281 series
The JR West 281 series is a Japanese electric multiple unit train operated by West Japan Railway Company, best known for serving limited express airport services in the Kansai region.
-
B.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
-
C.
JR West 323 series
The JR West 323 series is a modern electric multiple unit commuter train operated by West Japan Railway Company, primarily used on urban lines in the Osaka area.
-
D.
JR West 207 series
The JR West 207 series is a Japanese electric multiple unit commuter train operated by West Japan Railway Company on urban and suburban lines in the Kansai region.
-
E.
JR West 221 series
The JR West 221 series is a Japanese electric multiple unit train type operated by West Japan Railway Company for suburban and interurban passenger services.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
tilting train ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| category |
JR West rolling stock
ⓘ
Japanese train type ⓘ |
| country | Japan ⓘ |
| designedFor |
curved coastal routes
ⓘ
higher speeds on curves ⓘ |
| designedForOperator | JR West limited express Kuroshio services NERFINISHED ⓘ |
| doorConfiguration | side doors for passenger access ⓘ |
| electrificationSystem | 1,500 V DC overhead ⓘ |
| enteredServiceInDecade | 1990s ⓘ |
| gauge | 1,067 mm ⓘ |
| hasClassDesignation | 283 series NERFINISHED ⓘ |
| hasOperatorLogo | JR West logo ⓘ |
| hasTiltingCapability | yes ⓘ |
| introducedBy | West Japan Railway Company NERFINISHED ⓘ |
| introducedInService | 1996 ⓘ |
| network | JR West network NERFINISHED ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| owner | West Japan Railway Company NERFINISHED ⓘ |
| passengerService |
reserved seat accommodation
ⓘ
standard class seating ⓘ |
| powerType | electric multiple unit ⓘ |
| primaryUse | limited express services ⓘ |
| railwayCompanyType | JR Group company rolling stock ⓘ |
| railwayRegion | Western Japan NERFINISHED ⓘ |
| regionServed |
Kansai region
ⓘ
Kii Peninsula NERFINISHED ⓘ |
| rollingStockFamily | JR West limited express EMUs NERFINISHED ⓘ |
| safetySystem |
ATS-P
ⓘ
ATS-SW NERFINISHED ⓘ |
| serviceOperator | Kuroshio limited express NERFINISHED ⓘ |
| serviceRoute |
Hanwa Line
NERFINISHED
ⓘ
Kisei Main Line NERFINISHED ⓘ Osaka area – Kii Peninsula routes NERFINISHED ⓘ |
| serviceStatus | in service ⓘ |
| serviceType | intercity passenger service ⓘ |
| tiltingMechanism | pendulum tilting ⓘ |
| trackGauge | Cape gauge ⓘ |
| tractionType | electric ⓘ |
| usedOnService | Ocean Arrow 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: JR West 283 series Description of subject: The JR West 283 series is a tilting electric multiple unit train operated by West Japan Railway Company, primarily used for limited express services in western Japan.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.