Toei Mita Line
E364550
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Toei Mita Line canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T1640759 — 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: Toei Mita Line Context triple: [Toei Subway, hasLine, Toei Mita Line]
-
A.
Toei Oedo Line
The Toei Oedo Line is a major Tokyo subway loop and radial line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central districts with many key commercial and residential areas.
-
B.
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.
-
C.
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.
-
D.
Toei Shinjuku Line
The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
-
E.
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.
- 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: Toei Mita Line Target entity description: The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
A.
Toei Oedo Line
The Toei Oedo Line is a major Tokyo subway loop and radial line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central districts with many key commercial and residential areas.
-
B.
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.
-
C.
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.
-
D.
Toei Shinjuku Line
The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Tokyo subway line
ⓘ
railway line ⓘ subway line ⓘ |
| character |
subway
ⓘ
underground ⓘ |
| connectsArea |
central Tokyo
ⓘ
northern suburbs of Tokyo ⓘ |
| country | Japan ⓘ |
| depot | Shimura Depot ⓘ |
| direction | north–south ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareSystem | integrated with Toei Subway fare system ⓘ |
| hasStation |
Hibiya Station
NERFINISHED
ⓘ
Meguro Station NERFINISHED ⓘ Mita Station NERFINISHED ⓘ Nishi-Takashimadaira Station NERFINISHED ⓘ Shirokane-dai Station NERFINISHED ⓘ Shirokane-takanawa Station NERFINISHED ⓘ Sugamo Station NERFINISHED ⓘ Suidobashi Station NERFINISHED ⓘ Takashimadaira Station NERFINISHED ⓘ |
| languageOfSignage |
English
ⓘ
Japanese ⓘ |
| lineCode | I ⓘ |
| lineColor | blue ⓘ |
| lineSymbol | I ⓘ |
| locatedIn | Tokyo ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1968-06-30 ⓘ |
| operator |
Toei Subway
ⓘ
Tokyo Metropolitan Bureau of Transportation ⓘ |
| owner | Tokyo Metropolitan Government ⓘ |
| partOfNetwork |
Toei Subway
ⓘ
surface form:
Toei Subway network
|
| rollingStock |
Toei 6300 series EMU
ⓘ
surface form:
Toei 6300 series
Toei 6500 series EMU ⓘ
surface form:
Toei 6500 series
|
| safetySystem |
Automatic Train Control
ⓘ
Automatic Train Operation ⓘ |
| servesCity | Tokyo ⓘ |
| servesWard |
Bunkyo
NERFINISHED
ⓘ
Chiyoda NERFINISHED ⓘ Itabashi NERFINISHED ⓘ Minato NERFINISHED ⓘ Toshima NERFINISHED ⓘ |
| terminusStation |
Meguro Station
NERFINISHED
ⓘ
Nishi-Takashimadaira Station NERFINISHED ⓘ |
| throughServiceWith |
Tokyo Metro Namboku Line
NERFINISHED
ⓘ
Tokyu Meguro Line NERFINISHED ⓘ |
| ticketingSystem | accepts IC cards such as Suica and Pasmo ⓘ |
| trackGauge | 1,067 mm ⓘ |
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: Toei Mita Line Description of subject: The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Bunkyō