Nagoya City Transportation Bureau
E324253
The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Nagoya City Transportation Bureau canonical | 1 |
| Nagoya Transportation Development Organization | 1 |
| Transportation Bureau City of Nagoya | 1 |
| 名古屋市交通局 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3040070 — 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: Nagoya City Transportation Bureau Context triple: [Nagoya Station, operator, Nagoya City Transportation Bureau]
-
A.
Nagoya Port Authority
Nagoya Port Authority is the public body responsible for managing and developing the Port of Nagoya, one of Japan’s largest and busiest international trade hubs.
-
B.
Tokyo Metropolitan Bureau of Transportation
The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
-
C.
Teito Rapid Transit Authority
Teito Rapid Transit Authority was the former public operator of several Tokyo subway lines before its privatization and reorganization as Tokyo Metro.
-
D.
Kyoto Municipal Transportation Bureau
Kyoto Municipal Transportation Bureau is the local government agency responsible for operating and managing public transportation services, including the subway system, in Kyoto, Japan.
-
E.
Osaka Monorail Co., Ltd.
Osaka Monorail Co., Ltd. is the railway company that operates the Osaka Monorail transit system in Osaka Prefecture, Japan.
- 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: Nagoya City Transportation Bureau Target entity description: The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
-
A.
Nagoya Port Authority
Nagoya Port Authority is the public body responsible for managing and developing the Port of Nagoya, one of Japan’s largest and busiest international trade hubs.
-
B.
Tokyo Metropolitan Bureau of Transportation
The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
-
C.
Teito Rapid Transit Authority
Teito Rapid Transit Authority was the former public operator of several Tokyo subway lines before its privatization and reorganization as Tokyo Metro.
-
D.
Kyoto Municipal Transportation Bureau
Kyoto Municipal Transportation Bureau is the local government agency responsible for operating and managing public transportation services, including the subway system, in Kyoto, Japan.
-
E.
Osaka Monorail Co., Ltd.
Osaka Monorail Co., Ltd. is the railway company that operates the Osaka Monorail transit system in Osaka Prefecture, Japan.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
municipal transportation authority
ⓘ
public transit operator ⓘ |
| country | Japan ⓘ |
| governingBody |
Government of Nagoya
ⓘ
surface form:
Nagoya City Government
|
| hasAbbreviation | NCTB ⓘ |
| hasOfficialWebsite | https://www.kotsu.city.nagoya.jp/ ⓘ |
| headquartersCountry | Japan ⓘ |
| headquartersLocation | Nagoya ⓘ |
| industry |
bus transport
ⓘ
public transportation ⓘ urban rail transport ⓘ |
| jurisdiction |
Government of Nagoya
ⓘ
surface form:
Nagoya municipal government
|
| languageOfName | Japanese ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| nativeName |
Nagoya City Transportation Bureau
self-linksurface differs
ⓘ
surface form:
名古屋市交通局
|
| nativeNameLanguageCode | ja ⓘ |
| operatesBusServiceType |
local bus
ⓘ
municipal bus ⓘ |
| operatesInCity | Nagoya ⓘ |
| operatesInPrefecture | Aichi Prefecture NERFINISHED ⓘ |
| operatesInRegion |
Chūbu region
ⓘ
surface form:
Chubu region
|
| operatesMode |
bus
ⓘ
subway ⓘ |
| operatesRailwayType |
metro
ⓘ
rapid transit ⓘ |
| operatesTransitSystem |
Nagoya City Bus
ⓘ
Nagoya Municipal Subway NERFINISHED ⓘ |
| operatesUnderLegalForm | municipal bureau ⓘ |
| ownedBy |
Nagoya
ⓘ
surface form:
Nagoya City
|
| parentOrganization |
Nagoya
ⓘ
surface form:
City of Nagoya
|
| regionServed | Nagoya ⓘ |
| responsibleFor |
maintenance of municipal transit infrastructure in Nagoya
ⓘ
operation of Nagoya city bus network ⓘ operation of Nagoya subway network ⓘ planning of municipal transit services in Nagoya ⓘ |
| sector | public sector ⓘ |
| serviceArea |
Chūkyō metropolitan area
ⓘ
surface form:
Nagoya metropolitan area
|
| serviceType |
public transportation
ⓘ
urban transit ⓘ |
| transportAuthorityType | city transportation bureau ⓘ |
| usesFareSystem | Nagoya municipal transit fare system ⓘ |
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: Nagoya City Transportation Bureau Description of subject: The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Nagoya City Transportation Bureau
→
nativeName
→
Nagoya City Transportation Bureau
self-linksurface differs
ⓘ
this entity surface form:
名古屋市交通局
this entity surface form:
Nagoya Transportation Development Organization
this entity surface form:
Transportation Bureau City of Nagoya