Japan Railway Construction, Transport and Technology Agency
E389804
The Japan Railway Construction, Transport and Technology Agency is a Japanese government-affiliated organization responsible for planning, financing, and developing railway and transport infrastructure projects, including high-speed rail lines.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Japan Railway Construction, Transport and Technology Agency canonical | 5 |
| 鉄道建設・運輸施設整備支援機構 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3812546 — 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: Japan Railway Construction, Transport and Technology Agency Context triple: [Kyushu Shinkansen, owner, Japan Railway Construction, Transport and Technology Agency]
-
A.
Japanese National Railways
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
-
B.
Japanese Government Railways
Japanese Government Railways was the state-operated railway system of Japan that managed and expanded the country’s rail network before its postwar reorganization into Japanese National Railways.
-
C.
East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
-
D.
Japan Railways Group
Japan Railways Group is a major network of regional railway companies in Japan that emerged from the privatization of the former Japanese National Railways and operates much of the country’s passenger rail services, including high-speed Shinkansen lines.
-
E.
Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
- 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: Japan Railway Construction, Transport and Technology Agency Target entity description: The Japan Railway Construction, Transport and Technology Agency is a Japanese government-affiliated organization responsible for planning, financing, and developing railway and transport infrastructure projects, including high-speed rail lines.
-
A.
Japanese National Railways
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
-
B.
Japanese Government Railways
Japanese Government Railways was the state-operated railway system of Japan that managed and expanded the country’s rail network before its postwar reorganization into Japanese National Railways.
-
C.
East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
-
D.
Japan Railways Group
Japan Railways Group is a major network of regional railway companies in Japan that emerged from the privatization of the former Japanese National Railways and operates much of the country’s passenger rail services, including high-speed Shinkansen lines.
-
E.
Central Japan Railway Company
Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
government-affiliated organization
ⓘ
independent administrative agency ⓘ |
| activity |
construction of Shinkansen lines
ⓘ
construction of conventional railway lines ⓘ support for urban rail projects ⓘ |
| country | Japan ⓘ |
| fieldOfWork |
railway construction
ⓘ
transport facilities development ⓘ transport technology ⓘ |
| formedByMergerOf |
Corporation for Advanced Transport and Technology
ⓘ
Japan Railway Construction Public Corporation NERFINISHED ⓘ |
| hasJapaneseName | 独立行政法人鉄道建設・運輸施設整備支援機構 ⓘ |
| headquarters | Yokohama, Kanagawa, Japan ⓘ |
| inception | 2003 ⓘ |
| industry |
railway infrastructure
ⓘ
transport infrastructure ⓘ |
| jurisdiction | Japan ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| legalForm | independent administrative institution ⓘ |
| locatedIn |
Japan
ⓘ
Kanagawa Prefecture NERFINISHED ⓘ Yokohama ⓘ |
| mandate |
improvement of transport networks in Japan
ⓘ
promotion of advanced transport technologies ⓘ |
| nativeName |
Japan Railway Construction, Transport and Technology Agency
self-linksurface differs
ⓘ
surface form:
鉄道建設・運輸施設整備支援機構
|
| owns |
shares of Hokkaido Railway Company
ⓘ
shares of Kyushu Railway Company ⓘ shares of Shikoku Railway Company ⓘ |
| parentOrganization |
Government of Japan
ⓘ
Ministry of Land, Infrastructure, Transport and Tourism ⓘ |
| purpose |
developing railway infrastructure projects
ⓘ
financing railway infrastructure projects ⓘ planning railway infrastructure projects ⓘ supporting high-speed rail projects ⓘ supporting transport infrastructure development ⓘ |
| replaces |
Corporation for Advanced Transport and Technology
ⓘ
Japan Railway Construction Public Corporation NERFINISHED ⓘ |
| role |
funding source for railway construction through share sales
ⓘ
management of government-held JR company shares ⓘ |
| sector | public sector ⓘ |
| shortName | JRTT ⓘ |
| supervisingAuthority | Ministry of Land, Infrastructure, Transport and Tourism ⓘ |
| website | https://www.jrtt.go.jp/ ⓘ |
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: Japan Railway Construction, Transport and Technology Agency Description of subject: The Japan Railway Construction, Transport and Technology Agency is a Japanese government-affiliated organization responsible for planning, financing, and developing railway and transport infrastructure projects, including high-speed rail lines.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
JNR Settlement Corporation
→
successor
→
Japan Railway Construction, Transport and Technology Agency
ⓘ
Japan Railway Construction, Transport and Technology Agency
→
nativeName
→
Japan Railway Construction, Transport and Technology Agency
self-linksurface differs
ⓘ
this entity surface form:
鉄道建設・運輸施設整備支援機構