Tokyo Metro Chiyoda Line at Otemachi
E645165
Tokyo Metro Chiyoda Line at Otemachi is a subway line platform and service point within Otemachi Station in central Tokyo, providing urban rail transit and transfers to multiple other Tokyo Metro lines.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tokyo Metro Chiyoda Line at Otemachi canonical | 3 |
| Tokyo Metro Chiyoda Line (nearby via Otemachi) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7161795 — 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 Chiyoda Line at Otemachi Context triple: [Tokyo Metro Tozai Line at Otemachi, connectsTo, Tokyo Metro Chiyoda Line at Otemachi]
-
A.
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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B.
Tokyo Metro Tozai Line at Otemachi
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.
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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 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.
- 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 Chiyoda Line at Otemachi Target entity description: Tokyo Metro Chiyoda Line at Otemachi is a subway line platform and service point within Otemachi Station in central Tokyo, providing urban rail transit and transfers to multiple other Tokyo Metro lines.
-
A.
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.
-
B.
Tokyo Metro Tozai Line at Otemachi
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.
-
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 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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Tokyo Metro station component
ⓘ
railway station facility ⓘ subway line platform ⓘ |
| adjacentTo |
Tokyo Metro Chiyoda Line at Nijubashimae Station
ⓘ
Tokyo Metro Chiyoda Line at Shin-Ochanomizu Station ⓘ |
| city | Tokyo ⓘ |
| connectsTo |
Tokyo Metro Hanzomon Line at Otemachi
ⓘ
Tokyo Metro Marunouchi Line Branch at Otemachi ⓘ
linked to:
Tokyo Metro Marunouchi Line at Otemachi
Tokyo Metro Marunouchi Line at Otemachi ⓘ Tokyo Metro Tozai Line at Otemachi ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareControl | within Otemachi Station paid area ⓘ |
| fareSystem | Tokyo Metro fare system ⓘ |
| fareZone | central Tokyo fare zone of Tokyo Metro ⓘ |
| hasAccess |
station concourses of Otemachi Station
ⓘ
street-level exits of Otemachi Station ⓘ |
| hasEmergencyEquipment | fire extinguishers and alarms ⓘ |
| hasFacility |
elevators (barrier-free access)
ⓘ
escalators ⓘ stairs ⓘ |
| hasFunction |
interchange between Tokyo Metro lines
ⓘ
passenger alighting ⓘ passenger boarding ⓘ |
| hasInformationSystem |
electronic train information displays
ⓘ
public address system ⓘ |
| hasSignageLanguage |
English
ⓘ
Japanese ⓘ |
| isMajorInterchange | true ⓘ |
| isStopOn | Tokyo Metro Chiyoda Line services ⓘ |
| locatedIn | Otemachi, Chiyoda, Tokyo, Japan ⓘ |
| locatedInArea | central Tokyo ⓘ |
| operator | Tokyo Metro ⓘ |
| ownedBy |
Tokyo Metro Co., Ltd.
ⓘ
linked to:
Teito Rapid Transit Authority
|
| partOf | Otemachi Station ⓘ |
| partOfNetwork |
Tokyo Metro network
ⓘ
linked to:
Tokyo Metro
|
| platformUsage | serves both directions of Chiyoda Line trains ⓘ |
| railGauge | 1,067 mm ⓘ |
| safetyFeature | platform edge doors (on most Chiyoda Line platforms) ⓘ |
| safetyPolicy | non-smoking area ⓘ |
| servedBy | Tokyo Metro Chiyoda Line ⓘ |
| servesDistrict |
Marunouchi area (via underground connections)
ⓘ
linked to:
Marunouchi area
Otemachi business district ⓘ
linked to:
Otemachi district
|
| serviceType |
rapid transit
ⓘ
urban rail transit ⓘ |
| structureType | underground ⓘ |
| 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 Chiyoda Line at Otemachi Description of subject: Tokyo Metro Chiyoda Line at Otemachi is a subway line platform and service point within Otemachi Station in central Tokyo, providing urban rail transit and transfers to multiple other Tokyo Metro lines.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tokyo Metro Chiyoda Line at Otemachi
subject linked to:
Tokyo Metro Toei Mita Line at Otemachi