Tokyo Metro 7000 series
E127468
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tokyo Metro 7000 series canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1102259 — 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 7000 series Context triple: [Tokyo Metro Fukutoshin Line, rollingStock, Tokyo Metro 7000 series]
-
A.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
B.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
C.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
-
D.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
E.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
- 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 7000 series Target entity description: 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.
-
A.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
B.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
C.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
-
D.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
E.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese train type
ⓘ
commuter train ⓘ electric multiple unit ⓘ |
| belongsToNetwork |
Tokyo Metro
ⓘ
surface form:
Tokyo Metro network
|
| brakeType |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carBodyMaterial | aluminium ⓘ |
| country | Japan ⓘ |
| designedBy |
Teito Rapid Transit Authority
ⓘ
surface form:
Tokyo Metro (TRTA) engineering division
|
| designedFor | high-density urban commuting ⓘ |
| doorConfiguration | 4 pairs per side per car ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | 1,500 V DC overhead line ⓘ |
| formationType |
10-car sets
ⓘ
8-car sets ⓘ |
| hasCabin | driver's cab at both ends ⓘ |
| hasMultipleWorking | compatible with other Tokyo Metro stock (selected series) ⓘ |
| hasPassengerInformationSystem | onboard passenger information displays ⓘ |
| hasSeatingLayout | longitudinal bench seating ⓘ |
| introducedOnLine |
Tokyo Metro Yurakuchō Line
ⓘ
surface form:
Tokyo Metro Yurakucho Line
|
| manufacturer |
Kawasaki Heavy Industries
ⓘ
Nippon Sharyo ⓘ Tokyu Car Corporation ⓘ |
| numberOfCarsPerSet |
10
ⓘ
8 ⓘ |
| operatedOnLine |
Tokyo Metro Fukutoshin Line
ⓘ
Tokyo Metro Yurakuchō Line ⓘ
surface form:
Tokyo Metro Yurakucho Line
|
| operatingArea | Tokyo ⓘ |
| operator | Tokyo Metro ⓘ |
| operatorPredecessor | Teito Rapid Transit Authority ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| powerType | electric ⓘ |
| primaryUse | commuter services ⓘ |
| safetySystem |
Automatic Train Control
ⓘ
Automatic Train Stop ⓘ train protection systems for through-running lines ⓘ |
| serviceType |
subway
ⓘ
through-service commuter train ⓘ |
| throughServiceToLine |
Seibu Ikebukuro Line
ⓘ
Seibu Toshima Line ⓘ Seibu Yurakucho Line ⓘ Tobu Tojo Line ⓘ |
| trackGauge | 1,067 mm ⓘ |
| tractionType | electric ⓘ |
| usedFor | urban rail transport in Greater Tokyo Area ⓘ |
| usedOn | busy commuter subway lines in Tokyo ⓘ |
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 7000 series Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.