Shinkansen Holding Corporation
E312790
Shinkansen Holding Corporation is a Japanese company established to own and manage the high-speed Shinkansen railway assets following the breakup and privatization of Japanese National Railways.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Shinkansen Holding Corporation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2480067 — 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: Shinkansen Holding Corporation Context triple: [Japanese National Railways, successor, Shinkansen Holding Corporation]
-
A.
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.
-
B.
West Japan Railway Company
West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
-
C.
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.
-
D.
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.
-
E.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
- 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: Shinkansen Holding Corporation Target entity description: Shinkansen Holding Corporation is a Japanese company established to own and manage the high-speed Shinkansen railway assets following the breakup and privatization of Japanese National Railways.
-
A.
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.
-
B.
West Japan Railway Company
West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
-
C.
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.
-
D.
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.
-
E.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese company
ⓘ
company ⓘ |
| assetType |
Shinkansen lines
ⓘ
Shinkansen rolling stock ⓘ high-speed railway infrastructure ⓘ |
| associatedWith |
Japanese National Railways breakup
ⓘ
Japanese railway privatization reforms ⓘ |
| country | Japan ⓘ |
| followsEvent |
breakup of Japanese National Railways
ⓘ
privatization of Japanese National Railways ⓘ |
| hasAsset |
Shinkansen power supply infrastructure
ⓘ
Shinkansen signaling systems ⓘ Shinkansen stations-related infrastructure ⓘ Shinkansen track infrastructure ⓘ |
| hasJurisdiction |
Japan high-speed rail network
ⓘ
linked to:
Shinkansen
|
| industry |
rail transport
ⓘ
railway asset management ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn | Japan ⓘ |
| manages | Shinkansen railway assets ⓘ |
| operatesInSector | high-speed rail ⓘ |
| owns | Shinkansen railway assets ⓘ |
| purpose |
manage Shinkansen railway assets
ⓘ
own Shinkansen railway assets ⓘ |
| railSystem | Shinkansen ⓘ |
| replaces |
Japanese National Railways (for ownership of Shinkansen assets)
ⓘ
linked to:
Japanese National Railways
|
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: Shinkansen Holding Corporation Description of subject: Shinkansen Holding Corporation is a Japanese company established to own and manage the high-speed Shinkansen railway assets following the breakup and privatization of Japanese National Railways.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.