Tokyo–Okayama
E1005826
Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tokyo–Okayama canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12801696 — 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: Tokyo–Okayama Context triple: [Hikari, primaryRoute, Tokyo–Okayama]
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A.
Tokyo–Shin-Osaka
Tokyo–Shin-Osaka is the core section of Japan’s Tōkaidō Shinkansen high-speed rail line, linking the capital Tokyo with the major Kansai hub of Osaka.
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B.
Shin-Osaka–Okayama section
The Shin-Osaka–Okayama section is the western portion of Japan’s high-speed Sanyō Shinkansen line that connects Osaka with Okayama and serves as a key corridor toward Hiroshima and Kyushu.
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C.
Osaka–Kyoto corridor
The Osaka–Kyoto corridor is a heavily urbanized and industrialized region in Japan that forms a major transportation and economic link between the cities of Osaka and Kyoto.
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D.
Osaka – Kanazawa
Osaka–Kanazawa is a major intercity rail corridor in Japan linking the Kansai region with the Hokuriku region along the Sea of Japan coast.
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E.
Tokyo–Nagoya–Osaka
Tokyo–Nagoya–Osaka is Japan’s core high-speed rail and economic corridor linking the capital with major industrial and commercial centers in central and western 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: Tokyo–Okayama Target entity description: Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
-
A.
Tokyo–Shin-Osaka
Tokyo–Shin-Osaka is the core section of Japan’s Tōkaidō Shinkansen high-speed rail line, linking the capital Tokyo with the major Kansai hub of Osaka.
-
B.
Shin-Osaka–Okayama section
The Shin-Osaka–Okayama section is the western portion of Japan’s high-speed Sanyō Shinkansen line that connects Osaka with Okayama and serves as a key corridor toward Hiroshima and Kyushu.
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C.
Osaka–Kyoto corridor
The Osaka–Kyoto corridor is a heavily urbanized and industrialized region in Japan that forms a major transportation and economic link between the cities of Osaka and Kyoto.
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D.
Osaka – Kanazawa
Osaka–Kanazawa is a major intercity rail corridor in Japan linking the Kansai region with the Hokuriku region along the Sea of Japan coast.
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E.
Tokyo–Nagoya–Osaka
Tokyo–Nagoya–Osaka is Japan’s core high-speed rail and economic corridor linking the capital with major industrial and commercial centers in central and western Honshu.
- F. None of above. chosen
Statements (48)
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: Tokyo–Okayama Description of subject: Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.