Tōkaidō Main Line
E55793
The Tōkaidō Main Line is one of Japan’s most important and heavily used railway corridors, linking Tokyo with Osaka and other major cities along the historic Tōkaidō route.
All labels observed (10)
| Label | Occurrences |
|---|---|
| Tōkaidō Main Line canonical | 27 |
| Tokaido Main Line | 8 |
| JR Tōkaidō Main Line | 1 |
| Tokaido Line | 1 |
| Tokaido Line (JR East) | 1 |
| Tokaido Main Line (JR Kyoto Line / JR Kobe Line) | 1 |
| Tōkaidō | 1 |
| Tōkaidō Main Line (Tokyo area) | 1 |
| Tōkaidō corridor | 1 |
| 東海道本線 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T438546 — 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: Tōkaidō Main Line Context triple: [Osaka Station, railwayLine, Tōkaidō Main Line]
-
A.
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.
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B.
JR Shonan–Shinjuku Line
The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
E.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
- 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: Tōkaidō Main Line Target entity description: The Tōkaidō Main Line is one of Japan’s most important and heavily used railway corridors, linking Tokyo with Osaka and other major cities along the historic Tōkaidō route.
-
A.
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.
-
B.
JR Shonan–Shinjuku Line
The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
E.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
- 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: Tōkaidō Main Line Description of subject: The Tōkaidō Main Line is one of Japan’s most important and heavily used railway corridors, linking Tokyo with Osaka and other major cities along the historic Tōkaidō route.
Referenced by (43)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tokaido Main Line
this entity surface form:
Tōkaidō
this entity surface form:
Tokaido Main Line
this entity surface form:
Tokaido Main Line
this entity surface form:
Tōkaidō Main Line (Tokyo area)
this entity surface form:
Tōkaidō corridor
this entity surface form:
Tokaido Line (JR East)
this entity surface form:
Tokaido Main Line
subject surface form:
Shizuoka City
this entity surface form:
Tokaido Line
this entity surface form:
JR Tōkaidō Main Line
this entity surface form:
Tokaido Main Line
this entity surface form:
Tokaido Main Line
this entity surface form:
Tokaido Main Line
this entity surface form:
Tokaido Main Line
this entity surface form:
Tokaido Main Line (JR Kyoto Line / JR Kobe Line)