Otemachi Station
E692574
Otemachi Station is a major Tokyo railway hub where multiple Tokyo Metro lines intersect, serving as a key access point to the city’s central business district near Tokyo Station.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T7161788 — 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: Otemachi Station Context triple: [Tokyo Metro Tozai Line at Otemachi, partOf, Otemachi Station]
-
A.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
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B.
Akasaka Station
Akasaka Station is a Tokyo Metro subway station in Tokyo’s Minato ward, serving as a key stop on the Chiyoda Line in a major business and entertainment district.
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C.
Yurakucho Station
Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
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D.
Nihonbashi Station
Nihonbashi Station is a major underground railway and subway interchange in central Tokyo, serving multiple Tokyo Metro and Toei lines near the historic Nihonbashi district.
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E.
Shibuya Station
Shibuya Station is one of Tokyo’s busiest and most important railway hubs, serving multiple train and subway lines and anchoring the famous Shibuya shopping and entertainment district.
- 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: Otemachi Station Target entity description: Otemachi Station is a major Tokyo railway hub where multiple Tokyo Metro lines intersect, serving as a key access point to the city’s central business district near Tokyo Station.
-
A.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
B.
Akasaka Station
Akasaka Station is a Tokyo Metro subway station in Tokyo’s Minato ward, serving as a key stop on the Chiyoda Line in a major business and entertainment district.
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C.
Yurakucho Station
Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
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D.
Nihonbashi Station
Nihonbashi Station is a major underground railway and subway interchange in central Tokyo, serving multiple Tokyo Metro and Toei lines near the historic Nihonbashi district.
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E.
Shibuya Station
Shibuya Station is one of Tokyo’s busiest and most important railway hubs, serving multiple train and subway lines and anchoring the famous Shibuya shopping and entertainment district.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Tokyo Metro station
ⓘ
railway station ⓘ |
| adjacentTo | Tokyo Station ⓘ |
| connectedTo | Tokyo Station ⓘ |
| connectsToArea |
Marunouchi business district
ⓘ
Otemachi underground pedestrian network ⓘ Tokyo Station area ⓘ |
| country | Japan ⓘ |
| fareSystem |
Toei Subway fare system
ⓘ
Tokyo Metro fare system ⓘ |
| hasFacility |
elevators
ⓘ
escalators ⓘ passenger information displays ⓘ restrooms ⓘ ticket gates ⓘ |
| hasFunction |
commuter hub
ⓘ
major interchange station ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasRole |
key access point to central Tokyo
ⓘ
transfer point between multiple subway lines ⓘ |
| hasStructure | underground station ⓘ |
| locatedIn |
Chiyoda, Tokyo
ⓘ
Tokyo ⓘ Tokyo Metropolis ⓘ
linked to:
Tokyo Prefecture
central business district of Tokyo ⓘ |
| locatedUnder | Otemachi district streets ⓘ |
| near |
financial institutions
ⓘ
government offices ⓘ office towers ⓘ |
| operator |
Toei Subway
ⓘ
Tokyo Metro ⓘ |
| partOfNetwork |
Toei Subway network
ⓘ
linked to:
Toei Subway
Tokyo Metro network ⓘ
linked to:
Tokyo Metro
|
| servedByLine |
Toei Mita Line
ⓘ
Tokyo Metro Chiyoda Line ⓘ Tokyo Metro Hanzomon Line ⓘ Tokyo Metro Marunouchi Line ⓘ Tokyo Metro Tozai Line ⓘ |
| serves |
Marunouchi area
ⓘ
Otemachi business district ⓘ
linked to:
Otemachi district
central Tokyo business district ⓘ |
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: Otemachi Station Description of subject: Otemachi Station is a major Tokyo railway hub where multiple Tokyo Metro lines intersect, serving as a key access point to the city’s central business district near Tokyo Station.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Toei Mita Line at Otemachi
linked to: Otemachi Station
subject linked to:
Toei Mita Line at Otemachi
linked to: Otemachi Station
subject linked to:
Toei Mita Line at Otemachi
linked to: Otemachi Station
subject linked to:
Toei Mita Line at Otemachi
linked to: Otemachi Station
subject linked to:
Toei Mita Line at Otemachi
linked to: Otemachi Station
subject linked to:
Tozai Line
subject linked to:
Tokyo Metro Toei Mita Line at Otemachi
subject linked to:
Tokyo Metro Chiyoda Line (nearby via Kasumigaseki)