Green Car
E922888
Green Car is the first-class, reserved-seat section on Japanese Shinkansen and limited express trains, offering more spacious seating and enhanced comfort compared to standard cars.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T11384609 — 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: Green Car Context triple: [Hikari (on Sanyo Shinkansen section), serviceClass, Green Car]
-
A.
Volkswagen e-Golf
The Volkswagen e-Golf is an all-electric version of Volkswagen’s compact Golf hatchback, offering zero-emission driving with familiar Golf styling and practicality.
-
B.
Nissan Leaf
The Nissan Leaf is a mass-market all-electric compact hatchback known for pioneering affordable zero-emission driving.
-
C.
Rimac Concept_One
The Rimac Concept_One is a Croatian-built, all-electric hypercar renowned for its extreme performance, advanced battery technology, and status as one of the world’s first high-performance electric supercars.
-
D.
Maxwell Model E
The Maxwell Model E was an early 20th-century American automobile produced by the Maxwell Motor Company, known for its role in the development of affordable, mass-market cars before the rise of major manufacturers like Chrysler.
-
E.
Hyundai Ioniq
Hyundai Ioniq is a line of eco-friendly compact cars from Hyundai that includes hybrid, plug-in hybrid, and fully electric models designed for high efficiency and low emissions.
- 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: Green Car Target entity description: Green Car is the first-class, reserved-seat section on Japanese Shinkansen and limited express trains, offering more spacious seating and enhanced comfort compared to standard cars.
-
A.
Volkswagen e-Golf
The Volkswagen e-Golf is an all-electric version of Volkswagen’s compact Golf hatchback, offering zero-emission driving with familiar Golf styling and practicality.
-
B.
Nissan Leaf
The Nissan Leaf is a mass-market all-electric compact hatchback known for pioneering affordable zero-emission driving.
-
C.
Rimac Concept_One
The Rimac Concept_One is a Croatian-built, all-electric hypercar renowned for its extreme performance, advanced battery technology, and status as one of the world’s first high-performance electric supercars.
-
D.
Maxwell Model E
The Maxwell Model E was an early 20th-century American automobile produced by the Maxwell Motor Company, known for its role in the development of affordable, mass-market cars before the rise of major manufacturers like Chrysler.
-
E.
Hyundai Ioniq
Hyundai Ioniq is a line of eco-friendly compact cars from Hyundai that includes hybrid, plug-in hybrid, and fully electric models designed for high efficiency and low emissions.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
first-class train accommodation
ⓘ
railway passenger car class ⓘ |
| abbreviation | グリーン車 ⓘ |
| appliesTo |
multiple Shinkansen series
ⓘ
multiple limited express train types ⓘ |
| classLevel | first class ⓘ |
| comfortLevel | higher than ordinary cars ⓘ |
| comparedTo | ordinary car ⓘ |
| country | Japan ⓘ |
| distinguishedBy |
Green Car logo
ⓘ
green clover symbol on car body ⓘ |
| fareCategory | supplementary fare ⓘ |
| feature |
carpeted floors
ⓘ
enhanced interior design ⓘ increased legroom ⓘ individual armrests ⓘ larger seat width ⓘ overhead luggage racks ⓘ power outlets at seats ⓘ reading lights ⓘ reclining seats ⓘ reserved-seat only policy ⓘ |
| introducedFor | improved passenger comfort ⓘ |
| language | Japanese ⓘ |
| locationOnTrain | designated Green Car coaches GENERATED ⓘ |
| operatedOn |
Shinkansen
NERFINISHED
ⓘ
limited express trains ⓘ |
| railTransportType | passenger rail ⓘ |
| railwayOperator | Japan Railways Group NERFINISHED ⓘ |
| railwaySystem |
JR Central
NERFINISHED
ⓘ
JR East NERFINISHED ⓘ JR Hokkaido NERFINISHED ⓘ JR Kyushu NERFINISHED ⓘ JR West NERFINISHED ⓘ |
| region | Japanese railway network ⓘ |
| relativeToStandardClass |
enhanced comfort
GENERATED
ⓘ
fewer seats per row GENERATED ⓘ more spacious seating GENERATED ⓘ quieter environment GENERATED ⓘ wider seat pitch GENERATED ⓘ |
| reservationSystem | seat reservation required ⓘ |
| seatType | reserved seat ⓘ |
| serviceLevel | premium ⓘ |
| targetMarket | higher-paying passengers ⓘ |
| ticketRequirement |
Green Car ticket surcharge
ⓘ
basic fare ticket ⓘ |
| usedBy |
business travelers
ⓘ
long-distance passengers ⓘ tourists seeking comfort ⓘ |
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: Green Car Description of subject: Green Car is the first-class, reserved-seat section on Japanese Shinkansen and limited express trains, offering more spacious seating and enhanced comfort compared to standard cars.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Green car