Sendai Subway 1000 series
E950155
The Sendai Subway 1000 series is an electric multiple unit train type operated on the Sendai Subway Namboku Line in Sendai, Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sendai Subway 1000 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11831836 — 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: Sendai Subway 1000 series Context triple: [Sendai Subway, hasRollingStock, Sendai Subway 1000 series]
-
A.
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.
-
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 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.
-
D.
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.
-
E.
Tokyo Metro 13000 series
The Tokyo Metro 13000 series is a modern electric multiple unit train operated by Tokyo Metro, introduced to provide improved comfort, efficiency, and accessibility on urban subway services.
- 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: Sendai Subway 1000 series Target entity description: The Sendai Subway 1000 series is an electric multiple unit train type operated on the Sendai Subway Namboku Line in Sendai, Japan.
-
A.
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.
-
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 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.
-
D.
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.
-
E.
Tokyo Metro 13000 series
The Tokyo Metro 13000 series is a modern electric multiple unit train operated by Tokyo Metro, introduced to provide improved comfort, efficiency, and accessibility on urban subway services.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ rolling stock series ⓘ |
| brakeType |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| category |
Japanese electric multiple units
ⓘ
Sendai City Transportation Bureau rolling stock ⓘ
linked to:
Sendai City Transportation Bureau
train types of Japan ⓘ |
| city | Sendai NERFINISHED ⓘ |
| country | Japan ⓘ |
| designedBy | Japanese rolling stock manufacturers ⓘ |
| designedFor |
Sendai Subway Namboku Line
ⓘ
high-frequency metro service ⓘ |
| designedForOperation | underground railway ⓘ |
| doorConfiguration | 3 pairs per side per car ⓘ |
| doorType | sliding doors ⓘ |
| electricSystem | DC 1,500 V ⓘ |
| enteredServiceOnLine | Sendai Subway Namboku Line ⓘ |
| gauge | 1,067 mm ⓘ |
| hasDoorsOn | both sides ⓘ |
| hasOperator | Sendai City Transportation Bureau ⓘ |
| hasRoute | Izumi-Chūō – Tomizawa ⓘ |
| introducedInService | 1987 ⓘ |
| lineLengthServed | approximately 14.8 km (Namboku Line) ⓘ |
| locale | Miyagi Prefecture ⓘ |
| multipleWorking | within series only ⓘ |
| numberOfCarsPerTrainset | 4 ⓘ |
| operatedOnLine | Sendai Subway Namboku Line ⓘ |
| operator | Sendai City Transportation Bureau ⓘ |
| owner | Sendai City NERFINISHED ⓘ |
| powerCollectionMethod | third rail ⓘ |
| railwaySystem | Sendai Subway ⓘ |
| region |
Tohoku region
ⓘ
linked to:
Tohoku
|
| safetySystem |
automatic train control
ⓘ
automatic train operation ⓘ |
| serviceStatus | in service ⓘ |
| serviceType |
subway
ⓘ
urban rail ⓘ |
| trackGauge | Cape gauge ⓘ |
| tractionType | electric ⓘ |
| usedFor | passenger transport ⓘ |
| usedOn | standard Sendai Subway platforms ⓘ |
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: Sendai Subway 1000 series Description of subject: The Sendai Subway 1000 series is an electric multiple unit train type operated on the Sendai Subway Namboku Line in Sendai, Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.