Sendai City Transportation Bureau
E950154
The Sendai City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including the subway system, in Sendai, Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sendai City Transportation Bureau canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11831823 — 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 City Transportation Bureau Context triple: [Sendai Subway, owner, Sendai City Transportation Bureau]
-
A.
Sendai Subway
Sendai Subway is an urban rapid transit system serving the city of Sendai in Japan, providing key north–south and east–west rail connections across the metropolitan area.
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B.
Sapporo City Transportation Bureau
The Sapporo City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including subways and streetcars, in Sapporo, Japan.
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C.
Sendai Station
Sendai Station is the main railway hub of Sendai, Japan, serving as a major stop for Shinkansen high-speed trains and numerous local and regional lines.
-
D.
Sendai
Sendai is the largest city in Japan’s Tōhoku region, known for its lush greenery, historic sites, and status as a major economic and cultural center in northeastern Honshu.
-
E.
Nagoya City Transportation Bureau
The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
- 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 City Transportation Bureau Target entity description: The Sendai City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including the subway system, in Sendai, Japan.
-
A.
Sendai Subway
Sendai Subway is an urban rapid transit system serving the city of Sendai in Japan, providing key north–south and east–west rail connections across the metropolitan area.
-
B.
Sapporo City Transportation Bureau
The Sapporo City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including subways and streetcars, in Sapporo, Japan.
-
C.
Sendai Station
Sendai Station is the main railway hub of Sendai, Japan, serving as a major stop for Shinkansen high-speed trains and numerous local and regional lines.
-
D.
Sendai
Sendai is the largest city in Japan’s Tōhoku region, known for its lush greenery, historic sites, and status as a major economic and cultural center in northeastern Honshu.
-
E.
Nagoya City Transportation Bureau
The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
municipal transportation agency
ⓘ
public transit operator ⓘ |
| city | Sendai NERFINISHED ⓘ |
| country | Japan ⓘ |
| countryOfHeadquarters | Japan NERFINISHED ⓘ |
| governmentAgencyType | local government bureau ⓘ |
| hasOfficialNameInJapanese | 仙台市交通局 NERFINISHED ⓘ |
| hasOfficialWebsite | https://www.kotsu.city.sendai.jp/ ⓘ |
| hasPart |
Administration Division
NERFINISHED
ⓘ
Bus Operations Division NERFINISHED ⓘ Maintenance Division NERFINISHED ⓘ Subway Operations Division NERFINISHED ⓘ |
| headquartersLocation | Sendai NERFINISHED ⓘ |
| industry | public transportation ⓘ |
| jurisdiction | Sendai NERFINISHED ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| legalForm | municipal bureau ⓘ |
| locatedIn | Sendai ⓘ |
| locatedInAdministrativeTerritory | Miyagi Prefecture NERFINISHED ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| numberOfSubwayLinesOperated | 2 GENERATED ⓘ |
| operatedBy | City of Sendai NERFINISHED ⓘ |
| operates |
Sendai Subway
NERFINISHED
ⓘ
Sendai Subway Namboku Line NERFINISHED ⓘ Sendai Subway Tozai Line NERFINISHED ⓘ |
| operatesWithin | urban area of Sendai ⓘ |
| ownedBy | Sendai municipal government NERFINISHED ⓘ |
| parentOrganization | Sendai City Government NERFINISHED ⓘ |
| publicTransitAuthorityFor | Sendai NERFINISHED ⓘ |
| railGaugeUsed | standard gauge ⓘ |
| regionServed | Tohoku region NERFINISHED ⓘ |
| responsibleFor |
fare collection for Sendai municipal transit
ⓘ
maintenance of subway infrastructure in Sendai ⓘ management of municipal bus services in Sendai ⓘ operation of Sendai subway system ⓘ transit planning in Sendai ⓘ |
| sector | public sector ⓘ |
| serviceArea | Sendai metropolitan area NERFINISHED ⓘ |
| serviceType |
bus transportation
ⓘ
subway transportation ⓘ urban rail transit ⓘ |
| subordinateTo | Sendai mayor NERFINISHED ⓘ |
| subwaySystemName | Sendai Subway NERFINISHED ⓘ |
| transportationSystem | Sendai public transit network NERFINISHED ⓘ |
| transportMode |
bus
ⓘ
rail ⓘ |
| uses | IC fare cards ⓘ |
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 City Transportation Bureau Description of subject: The Sendai City Transportation Bureau is the municipal agency responsible for operating and managing public transit services, including the subway system, in Sendai, Japan.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.