Gran Class
E1002374
Gran Class is the premium first-class service offered on select Japanese Shinkansen trains, featuring spacious seating, enhanced amenities, and personalized hospitality.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gran Class canonical | 13 |
| GranClass | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12801671 — 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: Gran Class Context triple: [Nozomi, classAvailable, Gran Class]
-
A.
Klasen
Klasen is the family name of English actress and musical theatre star Gertrude Lawrence, born Gertrude Alexandria Dagmar Klasen.
-
B.
Gran Coupé
Gran Coupé is BMW’s four-door coupé body style, combining a sleek coupé silhouette with the practicality of additional doors and enhanced interior space.
-
C.
C-Class
The C-Class is a compact executive car line from Mercedes-Benz known for blending luxury, performance, and advanced technology in a smaller sedan, coupe, and wagon format.
-
D.
A-Class
The A-Class is Mercedes-Benz’s compact car line known for bringing the brand’s luxury, technology, and safety features into a smaller, more affordable hatchback and sedan segment.
-
E.
G-Class
The G-Class is Mercedes-Benz’s iconic luxury off-road SUV, renowned for its boxy design, rugged capability, and high-end performance.
- 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: Gran Class Target entity description: Gran Class is the premium first-class service offered on select Japanese Shinkansen trains, featuring spacious seating, enhanced amenities, and personalized hospitality.
-
A.
Klasen
Klasen is the family name of English actress and musical theatre star Gertrude Lawrence, born Gertrude Alexandria Dagmar Klasen.
-
B.
Gran Coupé
Gran Coupé is BMW’s four-door coupé body style, combining a sleek coupé silhouette with the practicality of additional doors and enhanced interior space.
-
C.
C-Class
The C-Class is a compact executive car line from Mercedes-Benz known for blending luxury, performance, and advanced technology in a smaller sedan, coupe, and wagon format.
-
D.
A-Class
The A-Class is Mercedes-Benz’s compact car line known for bringing the brand’s luxury, technology, and safety features into a smaller, more affordable hatchback and sedan segment.
-
E.
G-Class
The G-Class is Mercedes-Benz’s iconic luxury off-road SUV, renowned for its boxy design, rugged capability, and high-end performance.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
premium rail service
ⓘ
train travel class ⓘ |
| amenity |
alcoholic beverages (on many services)
ⓘ
amenity kit (on many services) ⓘ blanket ⓘ dedicated Gran Class attendant ⓘ light meal or snack service ⓘ newspapers or reading materials (on some services) ⓘ non-alcoholic beverages ⓘ slippers (on many services) ⓘ welcome drink ⓘ |
| availableOnLine |
Hokkaido Shinkansen
ⓘ
Hokuriku Shinkansen ⓘ Tohoku Shinkansen ⓘ
linked to:
Tōhoku Shinkansen
|
| availableOnService |
Hakutaka (selected services)
ⓘ
linked to:
Hakutaka
Hayabusa ⓘ Hayate (selected services) ⓘ
linked to:
Hayate
Kagayaki ⓘ Yamabiko (selected services) ⓘ
linked to:
Yamabiko
|
| availableOnTrainSeries |
E5 series Shinkansen
ⓘ
E7 series Shinkansen ⓘ H5 series Shinkansen ⓘ W7 series Shinkansen ⓘ |
| carNumber |
Car 10 on E5 series
ⓘ
Car 10 on H5 series ⓘ Car 12 on E7 series ⓘ Car 12 on W7 series ⓘ |
| country | Japan ⓘ |
| feature |
enhanced sound insulation
ⓘ
larger seat pitch than standard class ⓘ reduced seat density compared to Green Car ⓘ |
| introducedOn | 2011 ⓘ |
| introducedOnLine |
Tohoku Shinkansen
ⓘ
linked to:
Tōhoku Shinkansen
|
| introducedWith | E5 series Shinkansen ⓘ |
| operator |
East Japan Railway Company
ⓘ
Hokkaido Railway Company ⓘ West Japan Railway Company ⓘ |
| railwayType | Shinkansen ⓘ |
| seatFeature |
AC power outlet
ⓘ
footrest ⓘ large tray table ⓘ leg rest ⓘ personal reading light ⓘ power recline ⓘ |
| seatingConfiguration | 2+1 across ⓘ |
| seatType | reclining leather seat ⓘ |
| serviceLevel |
first class
ⓘ
premium class above Green Car ⓘ |
| targetCustomer |
business travelers
ⓘ
premium leisure travelers ⓘ |
| ticketType | requires Gran Class surcharge ⓘ |
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: Gran Class Description of subject: Gran Class is the premium first-class service offered on select Japanese Shinkansen trains, featuring spacious seating, enhanced amenities, and personalized hospitality.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gran Class