Tokyo Metro 1000 series
E136108
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Tokyo Metro 1000 series canonical | 2 |
| Tokyo Metro 1000 series (Ginza Line) | 1 |
| Tokyo Metro 1000 series (original Ginza Line wooden cars) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1126193 — 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 1000 series Context triple: [Tokyo Metro Ginza Line, rollingStock, Tokyo Metro 1000 series]
-
A.
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.
-
B.
Tokyo Metro 7000 series
The Tokyo Metro 7000 series is a Japanese electric multiple unit train type operated by Tokyo Metro, primarily used on busy commuter subway lines in Tokyo.
-
C.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
-
D.
Seibu 6000 series
The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway lines.
-
E.
Tobu 9000 series
The Tobu 9000 series is a Japanese electric multiple unit train type operated by Tobu Railway, commonly used for inter-running services with Tokyo Metro lines in the Tokyo metropolitan area.
- 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 1000 series Target entity description: 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.
-
A.
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.
-
B.
Tokyo Metro 7000 series
The Tokyo Metro 7000 series is a Japanese electric multiple unit train type operated by Tokyo Metro, primarily used on busy commuter subway lines in Tokyo.
-
C.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
-
D.
Seibu 6000 series
The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway lines.
-
E.
Tobu 9000 series
The Tobu 9000 series is a Japanese electric multiple unit train type operated by Tobu Railway, commonly used for inter-running services with Tokyo Metro lines in the Tokyo metropolitan area.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ rolling stock series ⓘ |
| brakeType | electric command air brakes ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| city | Tokyo ⓘ |
| country | Japan ⓘ |
| designConcept | retro-inspired styling ⓘ |
| designedFor |
accessibility
ⓘ
energy efficiency ⓘ improved passenger comfort ⓘ |
| designInspiration |
Tokyo Metro 1000 series
self-linksurface differs
ⓘ
surface form:
Tokyo Metro 1000 series (original Ginza Line wooden cars)
|
| doorConfiguration | 3 pairs of doors per side per car ⓘ |
| electrificationSystem | 600 V DC third rail ⓘ |
| features |
LCD passenger information displays
ⓘ
LED lighting ⓘ air conditioning ⓘ barrier-free facilities ⓘ energy-efficient traction system ⓘ priority seating ⓘ regenerative braking ⓘ security cameras ⓘ wheelchair spaces ⓘ |
| formation | 6-car trainset ⓘ |
| hasExteriorColor | yellow body color ⓘ |
| hasExteriorFeature |
large front windows
ⓘ
rounded front design ⓘ |
| hasInteriorDesign |
longitudinal bench seating
ⓘ
retro-style interior elements ⓘ |
| heritageReference | first-generation Ginza Line trains ⓘ |
| lineColorAssociation | Ginza Line orange-yellow color ⓘ |
| network |
Tokyo Metro
ⓘ
surface form:
Tokyo Metro subway network
|
| operatesOnLine | Tokyo Metro Ginza Line ⓘ |
| operator | Tokyo Metro ⓘ |
| operatorType | private railway operator ⓘ |
| powerCollectionMethod | third rail contact shoe ⓘ |
| purpose | replacement of older 01 series trains on Ginza Line ⓘ |
| safetySystem |
Automatic Train Control
ⓘ
surface form:
Automatic Train Control (ATC)
Automatic Train Operation (ATO) ⓘ |
| serviceArea | Tokyo metropolitan area ⓘ |
| serviceRole | main rolling stock of Ginza Line ⓘ |
| serviceType | subway service ⓘ |
| trackGauge | 1,435 mm standard gauge ⓘ |
| tractionType | variable frequency drive ⓘ |
| usage | high-frequency urban commuter service ⓘ |
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 1000 series Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tokyo Metro 1000 series (original Ginza Line wooden cars)
this entity surface form:
Tokyo Metro 1000 series (Ginza Line)