JR Shikoku Yosan Line
E741934
The JR Shikoku Yosan Line is a major railway line on Japan’s Shikoku island that connects key cities along the northern coast, including Matsuyama, and is operated by Shikoku Railway Company (JR Shikoku).
All labels observed (1)
| Label | Occurrences |
|---|---|
| JR Shikoku Yosan Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8534074 — 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: JR Shikoku Yosan Line Context triple: [Matsuyama, hasTransportation, JR Shikoku Yosan Line]
-
A.
JR Shikoku
JR Shikoku is a regional railway company in Japan that operates passenger rail services across the island of Shikoku as part of the Japan Railways Group.
-
B.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
-
C.
Jōban Line
The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
-
D.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
E.
Sakurajima Line
The Sakurajima Line is a short JR West railway line in Osaka, Japan, primarily serving access to Universal Studios Japan and nearby waterfront areas.
- 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: JR Shikoku Yosan Line Target entity description: The JR Shikoku Yosan Line is a major railway line on Japan’s Shikoku island that connects key cities along the northern coast, including Matsuyama, and is operated by Shikoku Railway Company (JR Shikoku).
-
A.
JR Shikoku
JR Shikoku is a regional railway company in Japan that operates passenger rail services across the island of Shikoku as part of the Japan Railways Group.
-
B.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
-
C.
Jōban Line
The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
-
D.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
E.
Sakurajima Line
The Sakurajima Line is a short JR West railway line in Osaka, Japan, primarily serving access to Universal Studios Japan and nearby waterfront areas.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
heavy rail
ⓘ
railway line ⓘ |
| connectsCity |
Matsuyama
NERFINISHED
ⓘ
Takamatsu NERFINISHED ⓘ Uwajima NERFINISHED ⓘ |
| connectsToLine |
Dosan Line
NERFINISHED
ⓘ
Honshi-Bisan Line NERFINISHED ⓘ Kōtoku Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 1500 V DC overhead catenary ⓘ |
| electrifiedSection |
Matsuyama – Iyoshi
NERFINISHED
ⓘ
Takamatsu – Iyo-Saijō NERFINISHED ⓘ |
| followsCoastOf | Seto Inland Sea NERFINISHED ⓘ |
| gauge | 1067 mm ⓘ |
| hasSection |
Iyo-Saijō – Matsuyama section
NERFINISHED
ⓘ
Iyoshi – Uwajima section ⓘ Matsuyama – Iyoshi section NERFINISHED ⓘ Takamatsu – Iyo-Saijō section NERFINISHED ⓘ |
| isPartOf | JR Shikoku network NERFINISHED ⓘ |
| limitedExpressService |
Ishizuchi
NERFINISHED
ⓘ
Shiokaze NERFINISHED ⓘ Uwakai NERFINISHED ⓘ |
| locatedIn |
Ehime Prefecture
NERFINISHED
ⓘ
Kagawa Prefecture NERFINISHED ⓘ |
| locatedOn | Shikoku NERFINISHED ⓘ |
| nonElectrifiedSection |
Iyo-Saijō – Matsuyama
NERFINISHED
ⓘ
Iyoshi – Uwajima NERFINISHED ⓘ |
| openedBy | Japanese Government Railways NERFINISHED ⓘ |
| operator |
JR Shikoku
NERFINISHED
ⓘ
Shikoku Railway Company NERFINISHED ⓘ |
| owner | Shikoku Railway Company NERFINISHED ⓘ |
| ownerBeforeJNRReform | Japanese National Railways NERFINISHED ⓘ |
| passesThroughCity |
Imabari
NERFINISHED
ⓘ
Iyo NERFINISHED ⓘ Matsuyama NERFINISHED ⓘ Niihama NERFINISHED ⓘ Saijō NERFINISHED ⓘ |
| primaryFunction |
commuter transport
ⓘ
intercity transport ⓘ |
| railwaySignaling | automatic block system ⓘ |
| region | Shikoku region NERFINISHED ⓘ |
| servesArea | northern coast of Shikoku ⓘ |
| servesCity |
Matsuyama
NERFINISHED
ⓘ
Takamatsu NERFINISHED ⓘ Uwajima NERFINISHED ⓘ |
| serviceType |
limited express trains
ⓘ
local trains ⓘ rapid trains ⓘ |
| status | in operation ⓘ |
| terminus |
Takamatsu Station
NERFINISHED
ⓘ
Uwajima Station NERFINISHED ⓘ |
| trackGauge | Cape gauge ⓘ |
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: JR Shikoku Yosan Line Description of subject: The JR Shikoku Yosan Line is a major railway line on Japan’s Shikoku island that connects key cities along the northern coast, including Matsuyama, and is operated by Shikoku Railway Company (JR Shikoku).
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.