Sapporo Municipal Subway
E263370
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.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Sapporo Municipal Subway canonical | 25 |
| Sapporo Municipal Subway Namboku Line | 12 |
| Sapporo Municipal Subway Tōhō Line | 4 |
| Sapporo subway system | 3 |
| Sapporo Municipal Subway network | 2 |
| Sapporo Municipal Subway Toho Line | 1 |
| 札幌市営地下鉄 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1812825 — 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 Context triple: [Sapporo, transportSystem, Sapporo Municipal Subway]
-
A.
Kyoto Municipal Subway
The Kyoto Municipal Subway is an urban rapid transit system serving Kyoto, Japan, providing key north–south and east–west rail connections across the city.
-
B.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
-
C.
Yotsubashi Line
The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
-
D.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
-
E.
Tokyo Metro Namboku Line
The Tokyo Metro Namboku Line is a north–south subway line in Tokyo operated by Tokyo Metro, known for its deep underground stations and through-services to other railway lines.
- 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 Target entity description: 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.
-
A.
Kyoto Municipal Subway
The Kyoto Municipal Subway is an urban rapid transit system serving Kyoto, Japan, providing key north–south and east–west rail connections across the city.
-
B.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
-
C.
Yotsubashi Line
The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
-
D.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
-
E.
Tokyo Metro Namboku Line
The Tokyo Metro Namboku Line is a north–south subway line in Tokyo operated by Tokyo Metro, known for its deep underground stations and through-services to other railway lines.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
rapid transit system ⓘ |
| climateAdaptation | designed for heavy snow conditions ⓘ |
| country | Japan ⓘ |
| electrification | DC 750 V third rail ⓘ |
| fareMedium |
paper tickets
ⓘ
rechargeable IC cards ⓘ |
| fareSystem | distance-based fare ⓘ |
| gauge | central guided rubber-tyred track ⓘ |
| hasFeature |
platform screen doors at most stations
ⓘ
underground alignment for most of its length ⓘ |
| hasLine |
Namboku Line
ⓘ
Toho Line ⓘ Tozai Line ⓘ |
| hasRollingStockType |
Sapporo Municipal Subway 5000 series
ⓘ
Sapporo Municipal Subway 6000 series ⓘ Sapporo Municipal Subway 7000 series ⓘ Sapporo Municipal Subway 8000 series ⓘ Sapporo Municipal Subway 9000 series ⓘ |
| hasStation |
Asabu Station
ⓘ
Fukuzumi Station ⓘ Makomanai Station ⓘ Miyanosawa Station ⓘ Odori Station ⓘ Sapporo Station ⓘ Shin-Sapporo Station ⓘ Susukino Station ⓘ |
| languageOfSignage |
English
ⓘ
Japanese ⓘ |
| locatedIn |
Hokkaido
ⓘ
Sapporo ⓘ |
| numberOfLines | 3 ⓘ |
| openingDate | 1971-12-16 ⓘ |
| operator | Sapporo City Transportation Bureau ⓘ |
| owner |
City of Sapporo
ⓘ
linked to:
Sapporo
|
| primaryFunction | urban rail transportation ⓘ |
| serves | Greater Sapporo area ⓘ |
| ticketingSystem |
Hayakaken accepted
ⓘ
IC card SAPICA accepted ⓘ ICOCA accepted ⓘ Kitaca accepted ⓘ PASMO accepted ⓘ SUGOCA accepted ⓘ Suica accepted ⓘ TOICA accepted ⓘ manaca accepted ⓘ nimoca accepted ⓘ |
| trackType | rubber-tyred metro ⓘ |
| website | https://www.city.sapporo.jp/st/english/index.html ⓘ |
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 Description of subject: 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.
Referenced by (48)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
subject linked to:
Sapporo subway Bus Center-mae Station
subject linked to:
nightlife area Susukino
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
subject linked to:
Sapporo subway Susukino Station
subject linked to:
Sapporo subway Susukino Station
linked to: Sapporo Municipal Subway
subject linked to:
Sapporo subway Nakajima-Kōen Station
subject linked to:
Sapporo subway Nakajima-Kōen Station
linked to: Sapporo Municipal Subway
subject linked to:
Sapporo subway Maruyama-Kōen Station
linked to: Sapporo Municipal Subway
subject linked to:
Sapporo Subway Namboku Line terminus Makomanai Station
linked to: Sapporo Municipal Subway
subject linked to:
Sapporo Subway Namboku Line terminus Makomanai Station
linked to: Sapporo Municipal Subway
subject linked to:
Sapporo Subway Namboku Line terminus Makomanai Station
subject linked to:
Sapporo Subway Namboku Line terminus Makomanai Station
subject linked to:
Odori subway station
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway
linked to: Sapporo Municipal Subway