Shikoku Railway Company
E948638
Shikoku Railway Company is a regional Japanese rail operator that runs passenger train services across the island of Shikoku as part of the JR Group network.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Shikoku Railway Company canonical | 9 |
| JR Shikoku Group | 1 |
| JR Shikoku network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11384361 — 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: Shikoku Railway Company Context triple: [JR Group, hasMember, Shikoku Railway Company]
-
A.
Kyushu Railway Company
Kyushu Railway Company is a major Japanese railway operator, commonly known as JR Kyushu, that runs extensive passenger rail services across the Kyushu region.
-
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.
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.
-
D.
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.
-
E.
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.
- 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: Shikoku Railway Company Target entity description: Shikoku Railway Company is a regional Japanese rail operator that runs passenger train services across the island of Shikoku as part of the JR Group network.
-
A.
Kyushu Railway Company
Kyushu Railway Company is a major Japanese railway operator, commonly known as JR Kyushu, that runs extensive passenger rail services across the Kyushu region.
-
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.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
JR Group company
ⓘ
Japanese company ⓘ public transport operator ⓘ railway company ⓘ |
| country | Japan ⓘ |
| fareSystem | JR Group fare system ⓘ |
| foundedAs | regional company of Japanese National Railways privatization ⓘ |
| hasAbbreviation |
JR四国
ⓘ
linked to:
JR Shikoku
|
| hasOfficialWebsite | https://www.jr-shikoku.co.jp/ ⓘ |
| hasRollingStockType |
diesel multiple unit
ⓘ
electric multiple unit ⓘ locomotive-hauled trains ⓘ |
| headquartersCity | Takamatsu NERFINISHED ⓘ |
| headquartersCountry | Japan ⓘ |
| headquartersLocation | Takamatsu, Kagawa Prefecture, Japan ⓘ |
| headquartersPrefecture | Kagawa Prefecture ⓘ |
| industry | rail transport ⓘ |
| isMemberOf | Japan Railways Group ⓘ |
| isSuccessorOf |
Japanese National Railways Shikoku region operations
ⓘ
linked to:
JR Shikoku
|
| nativeName |
四国旅客鉄道株式会社
ⓘ
linked to:
四国旅客鉄道
|
| nativeNameLanguage | ja ⓘ |
| operatesInPrefecture |
Ehime Prefecture
NERFINISHED
ⓘ
Kagawa Prefecture ⓘ Kochi Prefecture NERFINISHED ⓘ Tokushima Prefecture NERFINISHED ⓘ |
| operatesInRegion | Shikoku ⓘ |
| operatesLine |
Dosan Line
ⓘ
Honshi-Bisan Line (JR Seto-Ōhashi Line section) ⓘ
linked to:
Honshi-Bisan Line
Kōtoku Line NERFINISHED ⓘ Mugi Line NERFINISHED ⓘ Naruto Line ⓘ
linked to:
Naruto
Tokushima Line NERFINISHED ⓘ Uwajima Line NERFINISHED ⓘ Yodo Line NERFINISHED ⓘ Yosan Line NERFINISHED ⓘ |
| operatesRailNetworkOnIsland | Shikoku ⓘ |
| operatesService |
limited express trains on Shikoku
ⓘ
local trains on Shikoku ⓘ |
| ownsInfrastructureOnIsland | Shikoku ⓘ |
| parentOrganization | Japan Railways Group ⓘ |
| partOf | JR Group ⓘ |
| primaryLanguageOfOperation | Japanese ⓘ |
| railGauge | 1067 mm ⓘ |
| serviceType |
freight rail transport
ⓘ
passenger rail transport ⓘ |
| shortName | JR Shikoku ⓘ |
| transportMode | rail ⓘ |
| usesSignallingSystem | Japanese railway signalling ⓘ |
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: Shikoku Railway Company Description of subject: Shikoku Railway Company is a regional Japanese rail operator that runs passenger train services across the island of Shikoku as part of the JR Group network.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Shikoku Railway Company
subject linked to:
JR Shikoku Bus (group company)
subject linked to:
JR Shikoku Bus (group company)
linked to: Shikoku Railway Company
subject linked to:
JR Shikoku Bus (group company)