Mejiro Station on Yamanote Line
E536017
Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mejiro Station on Yamanote Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5553164 — 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: Mejiro Station on Yamanote Line Context triple: [Ikebukuro Station, hasAdjacentStationOnLine, Mejiro Station on Yamanote Line]
-
A.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
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B.
Itabashi Station
Itabashi Station is a railway station in Tokyo, Japan, known as a stop on major commuter lines connecting central Tokyo with its northern suburbs.
-
C.
Meguro Station
Meguro Station is a major railway and subway hub in Tokyo’s Meguro ward, serving multiple JR and Tokyo Metro lines and providing convenient access to central and southwestern Tokyo.
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D.
Nippori Station
Nippori Station is a major railway hub in Tokyo’s Arakawa ward, serving multiple JR lines and the Keisei Skyliner with convenient access to both central Tokyo and Narita Airport.
-
E.
Musashi-Urawa Station
Musashi-Urawa Station is a railway station in Saitama, Japan, that functions as a key commuter hub connecting local passengers to central Tokyo and surrounding areas.
- 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: Mejiro Station on Yamanote Line Target entity description: Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
-
A.
Meiji-jingumae Station
Meiji-jingumae Station is a major Tokyo subway station in the Harajuku/Meiji Shrine area, serving as a key access point to popular shopping and cultural districts.
-
B.
Itabashi Station
Itabashi Station is a railway station in Tokyo, Japan, known as a stop on major commuter lines connecting central Tokyo with its northern suburbs.
-
C.
Meguro Station
Meguro Station is a major railway and subway hub in Tokyo’s Meguro ward, serving multiple JR and Tokyo Metro lines and providing convenient access to central and southwestern Tokyo.
-
D.
Nippori Station
Nippori Station is a major railway hub in Tokyo’s Arakawa ward, serving multiple JR lines and the Keisei Skyliner with convenient access to both central Tokyo and Narita Airport.
-
E.
Musashi-Urawa Station
Musashi-Urawa Station is a railway station in Saitama, Japan, that functions as a key commuter hub connecting local passengers to central Tokyo and surrounding areas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
JR East station
ⓘ
railway station ⓘ |
| accessible | yes ⓘ |
| adjacentStationOnYamanoteLine |
Ikebukuro Station
NERFINISHED
ⓘ
Takadanobaba Station NERFINISHED ⓘ |
| characteristic |
relatively quiet station
ⓘ
small station ⓘ |
| country | Japan ⓘ |
| electrified | yes ⓘ |
| fareSystem | JR East metropolitan area fare system ⓘ |
| formerOperator | Japanese National Railways NERFINISHED ⓘ |
| hasAutomaticTicketMachines | yes ⓘ |
| hasElevator | yes ⓘ |
| hasEscalator | yes ⓘ |
| hasPlatformScreenDoors | yes ⓘ |
| hasStationBuilding | on west side of tracks ⓘ |
| hasStationNumbering | yes ⓘ |
| hasSuicaFacilities | yes ⓘ |
| hasTicketGates | yes ⓘ |
| languageOfSignage |
Chinese
ⓘ
English ⓘ Japanese ⓘ Korean ⓘ |
| lineServed | Yamanote Line NERFINISHED ⓘ |
| locatedIn |
Japan
ⓘ
Tokyo ⓘ Toshima, Tokyo NERFINISHED ⓘ |
| locatedInWard | Toshima NERFINISHED ⓘ |
| locatedOn | Yamanote Line between Ikebukuro and Takadanobaba ⓘ |
| near |
Gakushuin University
NERFINISHED
ⓘ
Mejiro-dori Avenue NERFINISHED ⓘ |
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1910-03-16 ⓘ |
| operator |
East Japan Railway Company
NERFINISHED
ⓘ
JR East NERFINISHED ⓘ |
| ownedBy | East Japan Railway Company NERFINISHED ⓘ |
| passengerUsage | relatively low compared to Ikebukuro and Shinjuku ⓘ |
| platformScreenDoorsOperationStart | around 2013 ⓘ |
| platformType | island platform ⓘ |
| servedBy |
Yamanote Line inner loop
NERFINISHED
ⓘ
Yamanote Line outer loop NERFINISHED ⓘ electric multiple unit trains ⓘ |
| stationCode | JY14 ⓘ |
| stationNumberingIntroduced | 2016 ⓘ |
| structureType | at-grade ⓘ |
| style | JR East NERFINISHED ⓘ |
| ticketOffice | Midori no Madoguchi NERFINISHED ⓘ |
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: Mejiro Station on Yamanote Line Description of subject: Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.