Central Japan Railway Company
E63498
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.
All labels observed (8)
| Label | Occurrences |
|---|---|
| JR Central | 90 |
| Central Japan Railway Company canonical | 82 |
| JR東海 | 2 |
| 東海旅客鉄道 | 2 |
| 東海旅客鉄道株式会社 | 2 |
| JR Central Tokaido Shinkansen Company (internal division of JR Central) | 1 |
| JR-Central | 1 |
| JR東海静岡支社 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T509587 — 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: Central Japan Railway Company Context triple: [Shin-Osaka Station, operator, Central Japan Railway Company]
-
A.
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.
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B.
Kintetsu Railway
Kintetsu Railway is a major Japanese private railway operator in the Kansai region, known for its extensive interurban network connecting cities such as Osaka, Nara, Kyoto, and Nagoya.
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C.
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.
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D.
Nankai Electric Railway
Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
-
E.
Hanshin Electric Railway Co., Ltd.
Hanshin Electric Railway Co., Ltd. is a Japanese private railway company in the Kansai region, best known in popular culture as the corporate parent of the professional baseball team Hanshin Tigers.
- 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: Central Japan Railway Company Target entity description: 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.
-
A.
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.
-
B.
Kintetsu Railway
Kintetsu Railway is a major Japanese private railway operator in the Kansai region, known for its extensive interurban network connecting cities such as Osaka, Nara, Kyoto, and Nagoya.
-
C.
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.
-
D.
Nankai Electric Railway
Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
-
E.
Hanshin Electric Railway Co., Ltd.
Hanshin Electric Railway Co., Ltd. is a Japanese private railway company in the Kansai region, best known in popular culture as the corporate parent of the professional baseball team Hanshin Tigers.
- F. None of above. chosen
Statements (49)
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: Central Japan Railway Company Description of subject: 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.
Referenced by (181)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
subject linked to:
midori-no-madoguchi ticket office
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
Tokaido Shinkansen
→
managedBy
→
JR Central Tokaido Shinkansen Company (internal division of JR Central)
ⓘ
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
subject linked to:
Japanese Shinkansen Series 0 car
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company
linked to: Central Japan Railway Company