W7 series Shinkansen
E943211
The W7 series Shinkansen is a high-speed electric multiple unit train operated in Japan, known for serving the Hokuriku Shinkansen line with enhanced safety, comfort, and energy efficiency features.
All labels observed (3)
| Label | Occurrences |
|---|---|
| W7 series Shinkansen canonical | 7 |
| E7/W7 series Shinkansen | 1 |
| Series W7 Shinkansen | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11575700 — 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: W7 series Shinkansen Context triple: [JR West Shinkansen, rollingStockUsed, W7 series Shinkansen]
-
A.
N700 series Shinkansen
The N700 series Shinkansen is a high-speed Japanese bullet train known for its tilting technology, energy efficiency, and operation on major routes such as the Tokaido and Sanyo Shinkansen lines.
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B.
E5 series Shinkansen
The E5 series Shinkansen is a high-speed Japanese bullet train known for its long aerodynamic nose, advanced comfort features, and operation on some of the fastest services in the country.
-
C.
H5 series Shinkansen
The H5 series Shinkansen is a high-speed Japanese train type operated by JR Hokkaido, known for its advanced technology, comfort, and service on the northernmost Shinkansen routes.
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D.
E6 series Shinkansen
The E6 series Shinkansen is a high-speed Japanese bullet train known for its streamlined design, tilting capability, and operation on Akita Shinkansen services.
-
E.
700 series Shinkansen
The 700 series Shinkansen is a Japanese high-speed train type introduced in the late 1990s, known for its distinctive "duck-bill" nose design and service on major Shinkansen lines.
- 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: W7 series Shinkansen Target entity description: The W7 series Shinkansen is a high-speed electric multiple unit train operated in Japan, known for serving the Hokuriku Shinkansen line with enhanced safety, comfort, and energy efficiency features.
-
A.
N700 series Shinkansen
The N700 series Shinkansen is a high-speed Japanese bullet train known for its tilting technology, energy efficiency, and operation on major routes such as the Tokaido and Sanyo Shinkansen lines.
-
B.
E5 series Shinkansen
The E5 series Shinkansen is a high-speed Japanese bullet train known for its long aerodynamic nose, advanced comfort features, and operation on some of the fastest services in the country.
-
C.
H5 series Shinkansen
The H5 series Shinkansen is a high-speed Japanese train type operated by JR Hokkaido, known for its advanced technology, comfort, and service on the northernmost Shinkansen routes.
-
D.
E6 series Shinkansen
The E6 series Shinkansen is a high-speed Japanese bullet train known for its streamlined design, tilting capability, and operation on Akita Shinkansen services.
-
E.
700 series Shinkansen
The 700 series Shinkansen is a Japanese high-speed train type introduced in the late 1990s, known for its distinctive "duck-bill" nose design and service on major Shinkansen lines.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen train type
ⓘ
electric multiple unit ⓘ high-speed train ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| carLength | 25 m ⓘ |
| classConfiguration |
Gran Class
ⓘ
Green Car ⓘ Ordinary Class ⓘ |
| collectionMethod | pantograph ⓘ |
| country | Japan ⓘ |
| designedFor | Hokuriku Shinkansen services ⓘ |
| designSpeed | 275 km/h ⓘ |
| electricSystem | 25 kV AC 50/60 Hz overhead catenary ⓘ |
| enteredService | 2015 ⓘ |
| family |
E7/W7 series Shinkansen
ⓘ
linked to:
W7 series Shinkansen
|
| feature |
LED lighting
ⓘ
barrier-free facilities ⓘ earthquake detection system ⓘ energy-efficient traction system ⓘ enhanced crash energy absorption structures ⓘ improved ride comfort ⓘ improved sound insulation ⓘ multi-language passenger information displays ⓘ |
| formation | 12-car sets ⓘ |
| introduced | 2014 ⓘ |
| liveryColor |
blue
ⓘ
copper ⓘ white ⓘ |
| manufacturer |
Hitachi
ⓘ
Kawasaki Heavy Industries ⓘ |
| maximumSpeedInService | 260 km/h ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| purpose |
energy efficiency
ⓘ
enhanced safety ⓘ improved passenger comfort ⓘ |
| relatedTo | E7 series Shinkansen ⓘ |
| safetySystem |
ATC
ⓘ
digital communication and control systems ⓘ |
| serviceArea |
Kanazawa
ⓘ
Nagano ⓘ
linked to:
Nagano Prefecture
Tokyo ⓘ Tsuruga NERFINISHED ⓘ |
| serviceType | passenger service ⓘ |
| trackGauge | 1435 mm ⓘ |
| usedOnLine | Hokuriku Shinkansen ⓘ |
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: W7 series Shinkansen Description of subject: The W7 series Shinkansen is a high-speed electric multiple unit train operated in Japan, known for serving the Hokuriku Shinkansen line with enhanced safety, comfort, and energy efficiency features.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: W7 series Shinkansen
linked to: W7 series Shinkansen