JR East Tōkaidō Main Line
E689751
The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
All labels observed (6)
| Label | Occurrences |
|---|---|
| 東海道本線 | 4 |
| JR East Tōkaidō Main Line canonical | 2 |
| JR East Tokaido Main Line | 1 |
| JR Tokaido Line | 1 |
| JR Tōkaidō Main Line (in southern section) | 1 |
| Tōkaidō Main Line (JR East section) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6307800 — 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 East Tōkaidō Main Line Context triple: [Ōiso, servedBy, JR East Tōkaidō Main Line]
-
A.
Sanyō Shinkansen line
The Sanyō Shinkansen line is a major high-speed railway corridor in Japan that connects Osaka with Fukuoka, forming the western portion of the country’s bullet train network.
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B.
JR Sekihoku Main Line
The JR Sekihoku Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that connects Asahikawa and Abashiri across the island’s interior.
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C.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
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D.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
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E.
Nippō Main Line
The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
- 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 East Tōkaidō Main Line Target entity description: The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
-
A.
Sanyō Shinkansen line
The Sanyō Shinkansen line is a major high-speed railway corridor in Japan that connects Osaka with Fukuoka, forming the western portion of the country’s bullet train network.
-
B.
JR Sekihoku Main Line
The JR Sekihoku Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that connects Asahikawa and Abashiri across the island’s interior.
-
C.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
-
D.
Keikyū Main Line
The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
-
E.
Nippō Main Line
The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
- 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: JR East Tōkaidō Main Line Description of subject: The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: JR East Tōkaidō Main Line
linked to: JR East Tōkaidō Main Line
linked to: JR East Tōkaidō Main Line
linked to: JR East Tōkaidō Main Line
linked to: JR East Tōkaidō Main Line
subject linked to:
JR Keihin-Tōhoku Line (nearby via Shinagawa Station)
linked to: JR East Tōkaidō Main Line