E8 series Shinkansen
E717972
The E8 series Shinkansen is a high-speed Japanese train type operated by JR East, designed for mini-shinkansen services with improved comfort, energy efficiency, and performance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| E8 series Shinkansen canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8185639 — 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: E8 series Shinkansen Context triple: [Yamagata Shinkansen, usesRollingStock, E8 series Shinkansen]
-
A.
E4 series Shinkansen
The E4 series Shinkansen is a Japanese double-decker high-speed train type designed to carry large numbers of passengers on busy Shinkansen routes.
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B.
E2 series Shinkansen
The E2 series Shinkansen is a Japanese high-speed electric multiple unit train type operated by JR East, known for serving routes such as the Tōhoku and Jōetsu Shinkansen lines.
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C.
E3 series Shinkansen
The E3 series Shinkansen is a Japanese high-speed train type operated by JR East, known for its compact, narrow-body design used on mini-shinkansen lines such as the Yamagata and Akita Shinkansen.
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D.
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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E.
800 series Shinkansen
The 800 series Shinkansen is a Japanese high-speed train type operated by JR Kyushu, known for its distinctive design and use on Kyushu’s 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: E8 series Shinkansen Target entity description: The E8 series Shinkansen is a high-speed Japanese train type operated by JR East, designed for mini-shinkansen services with improved comfort, energy efficiency, and performance.
-
A.
E4 series Shinkansen
The E4 series Shinkansen is a Japanese double-decker high-speed train type designed to carry large numbers of passengers on busy Shinkansen routes.
-
B.
E2 series Shinkansen
The E2 series Shinkansen is a Japanese high-speed electric multiple unit train type operated by JR East, known for serving routes such as the Tōhoku and Jōetsu Shinkansen lines.
-
C.
E3 series Shinkansen
The E3 series Shinkansen is a Japanese high-speed train type operated by JR East, known for its compact, narrow-body design used on mini-shinkansen lines such as the Yamagata and Akita Shinkansen.
-
D.
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.
-
E.
800 series Shinkansen
The 800 series Shinkansen is a Japanese high-speed train type operated by JR Kyushu, known for its distinctive design and use on Kyushu’s Shinkansen lines.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen train type
ⓘ
electric multiple unit ⓘ high-speed train ⓘ |
| belongsToCompanyGroup | JR Group NERFINISHED ⓘ |
| brakeType |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carbodyMaterial | aluminium alloy ⓘ |
| collectionMethod | pantograph ⓘ |
| country | Japan ⓘ |
| designedFor |
improved comfort
ⓘ
improved energy efficiency ⓘ improved performance ⓘ |
| designer | Ken Okuyama Design NERFINISHED ⓘ |
| doorConfiguration | plug doors ⓘ |
| electricSystem | AC overhead line ⓘ |
| entryIntoService | 2024 ⓘ |
| family | Hitachi A-train NERFINISHED ⓘ |
| formation | 7-car sets ⓘ |
| gaugeOnMiniShinkansenSections | 1,067 mm ⓘ |
| gaugeOnStandardShinkansenSections | 1,435 mm ⓘ |
| hasFeature |
LED lighting
ⓘ
aerodynamic nose design ⓘ enhanced luggage space ⓘ improved noise reduction ⓘ improved seating ⓘ tilting capability ⓘ |
| introducedToReplace | E3 series Shinkansen NERFINISHED ⓘ |
| liveryColor |
purple
ⓘ
red accents ⓘ white ⓘ |
| manufacturer |
Hitachi
NERFINISHED
ⓘ
J-TREC NERFINISHED ⓘ Japan Transport Engineering Company NERFINISHED ⓘ |
| maximumSpeedInService | 300 km/h ⓘ |
| maximumSpeedOnMiniShinkansenSections | 130 km/h ⓘ |
| maximumSpeedOnStandardShinkansenSections | 300 km/h ⓘ |
| operator |
East Japan Railway Company
NERFINISHED
ⓘ
JR East NERFINISHED ⓘ |
| operatorRegion |
Tohoku region
NERFINISHED
ⓘ
Yamagata Prefecture NERFINISHED ⓘ |
| powerOutput | approximately 6 MW ⓘ |
| powerSupply | AC 25 kV 50 Hz overhead catenary ⓘ |
| primaryRoute | Yamagata Shinkansen NERFINISHED ⓘ |
| railwayNetwork | Shinkansen NERFINISHED ⓘ |
| safetySystem |
ATS-P
NERFINISHED
ⓘ
DS-ATC NERFINISHED ⓘ |
| serviceRole | limited express ⓘ |
| serviceStartYear | 2024 ⓘ |
| serviceType | mini-shinkansen ⓘ |
| usedOnService | Tsubasa 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: E8 series Shinkansen Description of subject: The E8 series Shinkansen is a high-speed Japanese train type operated by JR East, designed for mini-shinkansen services with improved comfort, energy efficiency, and performance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.