Tokyo Metro Yurakuchō Line
E261298
The Tokyo Metro Yurakuchō Line is a major Tokyo subway line running east–west across the city, connecting central business districts with residential areas and key transit hubs.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Tokyo Metro Yurakucho Line | 14 |
| Tokyo Metro Yūrakuchō Line | 2 |
| Yurakucho Line | 2 |
| Tokyo Metro Yurakucho Line (via through services) | 1 |
| Tokyo Metro Yurakuchō Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1360093 — 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 Metro Yurakuchō Line Context triple: [Nagatachō, servedBy, Tokyo Metro Yurakuchō Line]
-
A.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
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B.
Tokyo Metro Chiyoda Line
The Tokyo Metro Chiyoda Line is a major Tokyo subway line running north–south through central districts and into suburban areas, connecting key hubs such as Omotesando, Otemachi, and Yoyogi-Uehara.
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C.
Tokyo Metro Hanzomon Line
The Tokyo Metro Hanzomon Line is a major Tokyo subway line that runs east–west across the city center, linking Shibuya with key business and residential districts and offering through services onto private railway lines.
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D.
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.
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E.
Tokyu Meguro Line
The Tokyu Meguro Line is a commuter railway line in Tokyo and Kanagawa operated by Tokyu Corporation, linking central Tokyo with its southwestern suburbs and offering through services onto various subway and other private railway lines.
- 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 Metro Yurakuchō Line Target entity description: The Tokyo Metro Yurakuchō Line is a major Tokyo subway line running east–west across the city, connecting central business districts with residential areas and key transit hubs.
-
A.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
-
B.
Tokyo Metro Chiyoda Line
The Tokyo Metro Chiyoda Line is a major Tokyo subway line running north–south through central districts and into suburban areas, connecting key hubs such as Omotesando, Otemachi, and Yoyogi-Uehara.
-
C.
Tokyo Metro Hanzomon Line
The Tokyo Metro Hanzomon Line is a major Tokyo subway line that runs east–west across the city center, linking Shibuya with key business and residential districts and offering through services onto private railway lines.
-
D.
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.
-
E.
Tokyu Meguro Line
The Tokyu Meguro Line is a commuter railway line in Tokyo and Kanagawa operated by Tokyu Corporation, linking central Tokyo with its southwestern suburbs and offering through services onto various subway and other private railway lines.
- F. None of above. chosen
Statements (77)
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 Metro Yurakuchō Line Description of subject: The Tokyo Metro Yurakuchō Line is a major Tokyo subway line running east–west across the city, connecting central business districts with residential areas and key transit hubs.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Nagatachō
this entity surface form:
Tokyo Metro Yūrakuchō Line
this entity surface form:
Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line (via through services)
this entity surface form:
Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yurakucho Line
this entity surface form:
Tokyo Metro Yūrakuchō Line
this entity surface form:
Tokyo Metro Yurakucho Line