W7 series
E711346
The W7 series is a high-speed Japanese Shinkansen train type operated by JR West, designed for comfort, safety, and reliable performance on long-distance routes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| W7 series canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8089745 — 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 Context triple: [Hokuriku Shinkansen, rollingStockUsed, W7 series]
-
A.
Série 4000
Série 4000 is a class of high-speed electric multiple unit trains used by Comboios de Portugal for its Alfa Pendular premium intercity services.
-
B.
G Series
G Series is Dell’s line of gaming-focused laptops and desktops designed to offer strong performance at more affordable prices than its premium Alienware range.
-
C.
I-70 Series
The I-70 Series is the nickname for the 1985 World Series matchup between the Kansas City Royals and the St. Louis Cardinals, named for the Interstate highway connecting the two Missouri cities.
-
D.
J7
J7 is a numbered junction on the M60 motorway in Greater Manchester, England, serving as an access point between the motorway and the surrounding local road network.
-
E.
TS 37-series
TS 37-series is a set of 3GPP technical specifications that define aspects of interworking, radio access network interfaces, and related protocols for mobile communication systems.
- 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 Target entity description: The W7 series is a high-speed Japanese Shinkansen train type operated by JR West, designed for comfort, safety, and reliable performance on long-distance routes.
-
A.
Série 4000
Série 4000 is a class of high-speed electric multiple unit trains used by Comboios de Portugal for its Alfa Pendular premium intercity services.
-
B.
G Series
G Series is Dell’s line of gaming-focused laptops and desktops designed to offer strong performance at more affordable prices than its premium Alienware range.
-
C.
I-70 Series
The I-70 Series is the nickname for the 1985 World Series matchup between the Kansas City Royals and the St. Louis Cardinals, named for the Interstate highway connecting the two Missouri cities.
-
D.
J7
J7 is a numbered junction on the M60 motorway in Greater Manchester, England, serving as an access point between the motorway and the surrounding local road network.
-
E.
TS 37-series
TS 37-series is a set of 3GPP technical specifications that define aspects of interworking, radio access network interfaces, and related protocols for mobile communication systems.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen train type
ⓘ
high-speed train ⓘ |
| brakingSystem |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| collectionMethod | pantograph ⓘ |
| country | Japan ⓘ |
| designedBy | JR East and JR West joint specification (E7/W7 platform) ⓘ |
| designedFor |
long-distance high-speed services
ⓘ
passenger comfort ⓘ reliable performance ⓘ safety ⓘ |
| doorType | plug doors ⓘ |
| electricSystem | 25 kV AC 50/60 Hz overhead catenary ⓘ |
| enteredTrialService | 2014 ⓘ |
| family | E7/W7 series ⓘ |
| formation | 12-car sets ⓘ |
| gauge | 1,435 mm ⓘ |
| hasCabType | aerodynamic end cars ⓘ |
| hasClass |
Gran Class
ⓘ
Green Car ⓘ Ordinary class ⓘ |
| hasFeature |
LED passenger information displays
ⓘ
barrier-free facilities ⓘ earthquake detection and automatic braking systems ⓘ |
| introduced | 2015 ⓘ |
| livery | white with blue and copper stripes ⓘ |
| manufacturer |
Hitachi
ⓘ
Kawasaki Heavy Industries ⓘ |
| maximumSpeed | 260 km/h ⓘ |
| numberOfCarsPerSet | 12 ⓘ |
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| operatorService |
Hakutaka
ⓘ
Kagayaki ⓘ Tsurugi ⓘ |
| owner | West Japan Railway Company ⓘ |
| powerSupply | overhead line ⓘ |
| purpose | replacement of older Hokuriku limited express services ⓘ |
| railwayLineUsed | Hokuriku Shinkansen ⓘ |
| regionServed |
Hokuriku region
ⓘ
Kansai region ⓘ |
| relatedTo | E7 series ⓘ |
| safetySystem |
ATS-P
ⓘ
DS-ATC ⓘ |
| serviceEntry | 2015-03-14 ⓘ |
| trackUsage | standard gauge high-speed lines ⓘ |
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 Description of subject: The W7 series is a high-speed Japanese Shinkansen train type operated by JR West, designed for comfort, safety, and reliable performance on long-distance routes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.