Tokyo Metro Tozai Line at Otemachi
E166963
Tokyo Metro Tozai Line at Otemachi is a major Tokyo subway line stop located in the Otemachi business district, serving as a key transfer point within the city’s extensive metro network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tokyo Metro Tozai Line at Otemachi canonical | 1 |
| Tokyo Metro Tōzai Line via Ōtemachi connection | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1183191 — 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 Tozai Line at Otemachi Context triple: [Tokyo Metro Hanzomon Line, interchangeWith, Tokyo Metro Tozai Line at Otemachi]
-
A.
Tokyo Metro Tozai Line at Nihonbashi
Tokyo Metro Tozai Line at Nihonbashi is a key underground railway line stop in central Tokyo that serves the Nihonbashi business district and connects with multiple other subway lines for convenient citywide access.
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B.
Tokyo Metro Chiyoda Line at Omotesando
The Tokyo Metro Chiyoda Line at Omotesando is a major subway line stop in central Tokyo that serves the fashionable Omotesando district and connects with other key metro routes.
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C.
Tokyo Metro Hibiya Line at Kayabacho
Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
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D.
Tokyo Metro Yurakucho Line at Nagatacho
Tokyo Metro Yurakucho Line at Nagatacho is a subway line stop in central Tokyo that serves the Nagatacho district and connects with multiple other Tokyo Metro lines for convenient transfers.
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E.
Tokyo Metro Ginza Line
The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
- 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 Tozai Line at Otemachi Target entity description: Tokyo Metro Tozai Line at Otemachi is a major Tokyo subway line stop located in the Otemachi business district, serving as a key transfer point within the city’s extensive metro network.
-
A.
Tokyo Metro Tozai Line at Nihonbashi
Tokyo Metro Tozai Line at Nihonbashi is a key underground railway line stop in central Tokyo that serves the Nihonbashi business district and connects with multiple other subway lines for convenient citywide access.
-
B.
Tokyo Metro Chiyoda Line at Omotesando
The Tokyo Metro Chiyoda Line at Omotesando is a major subway line stop in central Tokyo that serves the fashionable Omotesando district and connects with other key metro routes.
-
C.
Tokyo Metro Hibiya Line at Kayabacho
Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
-
D.
Tokyo Metro Yurakucho Line at Nagatacho
Tokyo Metro Yurakucho Line at Nagatacho is a subway line stop in central Tokyo that serves the Nagatacho district and connects with multiple other Tokyo Metro lines for convenient transfers.
-
E.
Tokyo Metro Ginza Line
The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Tokyo Metro station
ⓘ
railway station ⓘ subway station ⓘ |
| accessibility | connected to multiple station concourses in Otemachi complex ⓘ |
| city | Tokyo ⓘ |
| connectsTo |
Tokyo Metro Chiyoda Line at Otemachi
ⓘ
Tokyo Metro Hanzomon Line at Otemachi ⓘ Tokyo Metro Marunouchi Line at Otemachi ⓘ Tokyo Metro Toei Mita Line at Otemachi ⓘ |
| country | Japan ⓘ |
| fareSystem | Tokyo Metro fare system ⓘ |
| hasFunction |
business district access
ⓘ
commuter transport ⓘ |
| hasPlatformType | underground platforms ⓘ |
| lineColor | sky blue (Tozai Line color) ⓘ |
| locatedIn |
Otemachi
ⓘ
surface form:
Otemachi business district
Chiyoda, Tokyo, Japan ⓘ
surface form:
Otemachi, Chiyoda, Tokyo, Japan
|
| networkRole | key transfer point between multiple subway lines ⓘ |
| operator | Tokyo Metro ⓘ |
| partOf | Otemachi Station ⓘ |
| partOfNetwork |
Tokyo metropolitan rail network
ⓘ
surface form:
Tokyo subway network
|
| primaryUsers |
commuters
ⓘ
office workers ⓘ |
| role | major transfer point in Tokyo Metro network ⓘ |
| safetyFeatures | signage and emergency equipment in station ⓘ |
| servedBy | Tokyo Metro Tozai Line NERFINISHED ⓘ |
| servesArea |
Otemachi
ⓘ
surface form:
Otemachi business district
central Tokyo ⓘ |
| structureType | underground station ⓘ |
| ticketing | IC cards such as Suica and PASMO accepted ⓘ |
| ward | Chiyoda ⓘ |
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 Tozai Line at Otemachi Description of subject: Tokyo Metro Tozai Line at Otemachi is a major Tokyo subway line stop located in the Otemachi business district, serving as a key transfer point within the city’s extensive metro network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tokyo Metro Tōzai Line via Ōtemachi connection