Sapporo Municipal Subway 8000 series
E911496
The Sapporo Municipal Subway 8000 series is a fleet of rubber-tyred electric multiple unit trains operated on the Sapporo subway system in Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sapporo Municipal Subway 8000 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11134290 — 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: Sapporo Municipal Subway 8000 series Context triple: [Sapporo Municipal Subway, hasRollingStockType, Sapporo Municipal Subway 8000 series]
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A.
Sapporo Municipal Subway 7000 series
The Sapporo Municipal Subway 7000 series is a fleet of electric multiple unit trains operated on the Sapporo subway system in Hokkaido, Japan.
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B.
Sapporo Municipal Subway 6000 series
The Sapporo Municipal Subway 6000 series is a former fleet of rubber-tyred electric multiple unit trains that operated on the Sapporo Municipal Subway system in Sapporo, Japan.
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C.
Sapporo Municipal Subway 5000 series
The Sapporo Municipal Subway 5000 series is a fleet of rubber-tyred electric multiple unit trains operated on the Sapporo Municipal Subway system in Sapporo, Japan.
-
D.
Sapporo Streetcar
Sapporo Streetcar is a tram network in Sapporo, Japan, providing urban public transportation along a loop and branch lines through the city.
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E.
Sapporo Municipal Subway
Sapporo Municipal Subway is the rapid transit system serving the city of Sapporo in Hokkaido, Japan, providing urban rail transportation across several key lines and stations.
- 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: Sapporo Municipal Subway 8000 series Target entity description: The Sapporo Municipal Subway 8000 series is a fleet of rubber-tyred electric multiple unit trains operated on the Sapporo subway system in Japan.
-
A.
Sapporo Municipal Subway 7000 series
The Sapporo Municipal Subway 7000 series is a fleet of electric multiple unit trains operated on the Sapporo subway system in Hokkaido, Japan.
-
B.
Sapporo Municipal Subway 6000 series
The Sapporo Municipal Subway 6000 series is a former fleet of rubber-tyred electric multiple unit trains that operated on the Sapporo Municipal Subway system in Sapporo, Japan.
-
C.
Sapporo Municipal Subway 5000 series
The Sapporo Municipal Subway 5000 series is a fleet of rubber-tyred electric multiple unit trains operated on the Sapporo Municipal Subway system in Sapporo, Japan.
-
D.
Sapporo Streetcar
Sapporo Streetcar is a tram network in Sapporo, Japan, providing urban public transportation along a loop and branch lines through the city.
-
E.
Sapporo Municipal Subway
Sapporo Municipal Subway is the rapid transit system serving the city of Sapporo in Hokkaido, Japan, providing urban rail transportation across several key lines and stations.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese train type
ⓘ
electric multiple unit ⓘ rubber-tyred metro train ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| carBodyMaterial | aluminium alloy ⓘ |
| category |
Sapporo Municipal Subway rolling stock
ⓘ
electric multiple units of Japan ⓘ rubber-tyred metro vehicles ⓘ |
| city | Sapporo NERFINISHED ⓘ |
| country | Japan ⓘ |
| designedFor |
automatic train control
ⓘ
one-man operation capability ⓘ |
| designedForClimate | cold weather operation ⓘ |
| doorConfiguration | 3 pairs of doors per side per car ⓘ |
| doorOperation | electric sliding doors ⓘ |
| electricSystem | DC third rail ⓘ |
| formation | 6-car trainsets ⓘ |
| gauge | central guideway with side running surfaces ⓘ |
| hasAirConditioning | yes ⓘ |
| hasHeating | passenger compartment heaters ⓘ |
| hasOperator | Sapporo City Transportation Bureau NERFINISHED ⓘ |
| introduced | 1990s ⓘ |
| network | Sapporo subway system NERFINISHED ⓘ |
| operatesOnLine | Sapporo Municipal Subway Namboku Line NERFINISHED ⓘ |
| operator | Sapporo City Transportation Bureau NERFINISHED ⓘ |
| powerCollectionMethod | side-contact third rail ⓘ |
| railwaySystem | Sapporo Municipal Subway NERFINISHED ⓘ |
| safetySystem |
automatic train control
ⓘ
automatic train stop ⓘ |
| serviceArea | Sapporo metropolitan area NERFINISHED ⓘ |
| serviceStatus | in service ⓘ |
| serviceType | urban rapid transit ⓘ |
| trackType | rubber-tyred guided system ⓘ |
| traction | electric ⓘ |
| usedFor | passenger transport ⓘ |
| usedIn | Hokkaido 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: Sapporo Municipal Subway 8000 series Description of subject: The Sapporo Municipal Subway 8000 series is a fleet of rubber-tyred electric multiple unit trains operated on the Sapporo subway system in Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.