Kodama (on Sanyo Shinkansen)
E269684
Kodama (on Sanyo Shinkansen) is a local Shinkansen train service in western Japan that stops at all stations along the Sanyo Shinkansen line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kodama (on Sanyo Shinkansen) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2470108 — 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: Kodama (on Sanyo Shinkansen) Context triple: [JR West, operatesService, Kodama (on Sanyo Shinkansen)]
-
A.
Akita Shinkansen
The Akita Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Akita Prefecture with the Tōhoku Shinkansen network, providing fast intercity service to and from Tokyo.
-
B.
Yamagata Shinkansen
The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
-
C.
Kyushu Shinkansen
Kyushu Shinkansen is a high-speed railway line in Japan that connects major cities across the island of Kyushu as part of the national Shinkansen network.
-
D.
Hokuriku Shinkansen
The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
-
E.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
- 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: Kodama (on Sanyo Shinkansen) Target entity description: Kodama (on Sanyo Shinkansen) is a local Shinkansen train service in western Japan that stops at all stations along the Sanyo Shinkansen line.
-
A.
Akita Shinkansen
The Akita Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Akita Prefecture with the Tōhoku Shinkansen network, providing fast intercity service to and from Tokyo.
-
B.
Yamagata Shinkansen
The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
-
C.
Kyushu Shinkansen
Kyushu Shinkansen is a high-speed railway line in Japan that connects major cities across the island of Kyushu as part of the national Shinkansen network.
-
D.
Hokuriku Shinkansen
The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
-
E.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen train service
ⓘ
passenger rail service ⓘ |
| branding | JR West Kodama service ⓘ |
| category | named train service in Japan ⓘ |
| comparedTo |
slower than Hikari (Sanyo Shinkansen)
ⓘ
slower than Nozomi (Sanyo Shinkansen) ⓘ |
| country | Japan ⓘ |
| distinguishingFeature | serves every Sanyo Shinkansen station including minor stops ⓘ |
| electrification | 25 kV AC overhead catenary ⓘ |
| fareSystem | Shinkansen limited express surcharge required ⓘ |
| introducedOnLine | Sanyo Shinkansen ⓘ |
| lineSection |
Okayama – Hakata
ⓘ
linked to:
Okayama
Shin-Osaka – Hakata ⓘ Shin-Osaka – Okayama ⓘ
linked to:
Shin-Osaka–Okayama section
|
| maximumSpeedClass | high-speed rail ⓘ |
| nameLanguage | Japanese ⓘ |
| nameMeaning | echo ⓘ |
| network |
Shinkansen network
ⓘ
linked to:
Shinkansen high-speed rail network
|
| operator |
JR West
ⓘ
West Japan Railway Company ⓘ |
| primaryUse |
access to all Sanyo Shinkansen stations
ⓘ
shorter-distance travel between intermediate Sanyo Shinkansen stations ⓘ |
| railwayCompanyGroup | JR Group ⓘ |
| railwayGauge | 1,435 mm standard gauge ⓘ |
| railwayLine | Sanyo Shinkansen ⓘ |
| region | western Japan ⓘ |
| rollingStock |
500 series Shinkansen
ⓘ
700 series Shinkansen ⓘ N700 series Shinkansen ⓘ |
| safetySystem |
ATC (Automatic Train Control)
ⓘ
linked to:
Automatic Train Control
|
| serviceClass |
Green car
ⓘ
ordinary class ⓘ |
| serviceFrequency | multiple trains per day in each direction ⓘ |
| servicePattern | stops at all stations on the Sanyo Shinkansen ⓘ |
| serviceRole |
feeder service to faster Shinkansen trains
ⓘ
local Shinkansen service ⓘ |
| serviceType | all‑stops service ⓘ |
| ticketing |
IC cards accepted on some sections depending on JR West rules
ⓘ
non-reserved seats available ⓘ reserved seats available ⓘ |
| usesInfrastructure | dedicated high-speed tracks ⓘ |
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: Kodama (on Sanyo Shinkansen) Description of subject: Kodama (on Sanyo Shinkansen) is a local Shinkansen train service in western Japan that stops at all stations along the Sanyo Shinkansen line.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.