Tokyo Metro 2000 series
E909228
The Tokyo Metro 2000 series is a modern electric multiple unit train used on Tokyo’s subway network, featuring energy-efficient systems and updated passenger amenities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tokyo Metro 2000 series canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11161505 — 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: Tokyo Metro 2000 series Context triple: [Tokyo Metro Marunouchi Line, rollingStock, Tokyo Metro 2000 series]
-
A.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
-
B.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
C.
Tokyo Metro 1000 series
The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
-
D.
Tokyo Metro 17000 series
The Tokyo Metro 17000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Fukutoshin and Yurakucho Lines with improved energy efficiency and passenger comfort.
-
E.
Tokyo Metro 16000 series
The Tokyo Metro 16000 series is a modern electric multiple unit train type operated by Tokyo Metro, primarily used for commuter services on the Chiyoda Line.
- 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: Tokyo Metro 2000 series Target entity description: The Tokyo Metro 2000 series is a modern electric multiple unit train used on Tokyo’s subway network, featuring energy-efficient systems and updated passenger amenities.
-
A.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
-
B.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
C.
Tokyo Metro 1000 series
The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
-
D.
Tokyo Metro 17000 series
The Tokyo Metro 17000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Fukutoshin and Yurakucho Lines with improved energy efficiency and passenger comfort.
-
E.
Tokyo Metro 16000 series
The Tokyo Metro 16000 series is a modern electric multiple unit train type operated by Tokyo Metro, primarily used for commuter services on the Chiyoda Line.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ rolling stock series ⓘ |
| brakeType | regenerative braking ⓘ |
| carBodyMaterial | aluminium ⓘ |
| category |
Tokyo Metro rolling stock
ⓘ
electric multiple units of Japan ⓘ |
| country | Japan ⓘ |
| countryOfOperation | Japan ⓘ |
| designFeature |
LED lighting
ⓘ
barrier-free facilities ⓘ energy-efficient systems ⓘ information displays ⓘ updated passenger amenities ⓘ |
| doorConfiguration | 4 pairs per side per car ⓘ |
| gauge | 1,435 mm ⓘ |
| hasUICClassification | EMU ⓘ |
| manufacturer |
Hitachi
ⓘ
Kawasaki Heavy Industries ⓘ |
| operator | Tokyo Metro ⓘ |
| operatorType | private railway operator ⓘ |
| powerCollectionMethod | third rail ⓘ |
| powerSupply | 600 V DC ⓘ |
| purpose | replacement of older Marunouchi Line stock ⓘ |
| railwayLine | Tokyo Metro Marunouchi Line ⓘ |
| serviceArea | Tokyo ⓘ |
| serviceType |
subway train
ⓘ
urban rail ⓘ |
| trackGauge | standard gauge ⓘ |
| traction | electricity ⓘ |
| usage |
Tokyo Metro subway network
ⓘ
linked to:
Tokyo Metro
|
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: Tokyo Metro 2000 series Description of subject: The Tokyo Metro 2000 series is a modern electric multiple unit train used on Tokyo’s subway network, featuring energy-efficient systems and updated passenger amenities.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.