Nishi-Ikebukuro
E848959
Nishi-Ikebukuro is a neighborhood in Tokyo known as the western part of the Ikebukuro area, featuring a mix of residential streets, commercial facilities, and educational institutions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nishi-Ikebukuro canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9078223 — 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: Nishi-Ikebukuro Context triple: [Toshima, hasMajorDistrict, Nishi-Ikebukuro]
-
A.
Minami-Ikebukuro
Minami-Ikebukuro is a commercial and residential neighborhood in Tokyo’s Toshima ward, known for its proximity to Ikebukuro Station and its mix of shops, offices, and urban amenities.
-
B.
Higashi-Ikebukuro
Higashi-Ikebukuro is a commercial and residential neighborhood in Tokyo known for its high-rise developments, including the Sunshine City complex, and its role as a major subcenter of the Ikebukuro area.
-
C.
Ikebukuro
Ikebukuro is a major commercial and entertainment district in Tokyo known for its large train station, shopping complexes, and vibrant youth culture.
-
D.
Yurakucho
Yurakucho is a lively commercial and entertainment district in central Tokyo known for its shopping complexes, theaters, and atmospheric izakaya alleys beneath the railway tracks.
-
E.
Itabashi
Itabashi is a special ward in northern Tokyo, Japan, known as a primarily residential area with a mix of traditional neighborhoods and modern urban infrastructure.
- 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: Nishi-Ikebukuro Target entity description: Nishi-Ikebukuro is a neighborhood in Tokyo known as the western part of the Ikebukuro area, featuring a mix of residential streets, commercial facilities, and educational institutions.
-
A.
Minami-Ikebukuro
Minami-Ikebukuro is a commercial and residential neighborhood in Tokyo’s Toshima ward, known for its proximity to Ikebukuro Station and its mix of shops, offices, and urban amenities.
-
B.
Higashi-Ikebukuro
Higashi-Ikebukuro is a commercial and residential neighborhood in Tokyo known for its high-rise developments, including the Sunshine City complex, and its role as a major subcenter of the Ikebukuro area.
-
C.
Ikebukuro
Ikebukuro is a major commercial and entertainment district in Tokyo known for its large train station, shopping complexes, and vibrant youth culture.
-
D.
Yurakucho
Yurakucho is a lively commercial and entertainment district in central Tokyo known for its shopping complexes, theaters, and atmospheric izakaya alleys beneath the railway tracks.
-
E.
Itabashi
Itabashi is a special ward in northern Tokyo, Japan, known as a primarily residential area with a mix of traditional neighborhoods and modern urban infrastructure.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
district
ⓘ
neighborhood ⓘ |
| adjacentTo |
Ikebukuro Station area
ⓘ
linked to:
Ikebukuro
|
| administrativeWard |
Toshima Ward
ⓘ
linked to:
Toshima ward
|
| belongsTo |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
|
| country | Japan ⓘ |
| governedBy | Toshima City Office ⓘ |
| hasBuildingType |
apartment buildings
ⓘ
schools ⓘ small shops ⓘ |
| hasFeature |
commercial facilities
ⓘ
educational institutions ⓘ residential streets ⓘ |
| hasLandUse |
commercial
ⓘ
educational ⓘ residential ⓘ |
| hasPostalCodeType | Japanese postal code ⓘ |
| hasTransportAccess | Ikebukuro Station ⓘ |
| hasUrbanCharacter | inner-city neighborhood ⓘ |
| languageUsed | Japanese ⓘ |
| locatedIn |
Tokyo
ⓘ
Tokyo Metropolis ⓘ
linked to:
Tokyo Metropolis, Japan
Toshima, Tokyo ⓘ |
| locatedInRegion | Kantō region ⓘ |
| locatedOnIsland | Honshu ⓘ |
| partOf |
Ikebukuro area
ⓘ
linked to:
Ikebukuro, Tokyo
|
| positionWithinIkebukuro | western part ⓘ |
| timeZone | Japan Standard Time ⓘ |
| UTCOffset | +09:00 ⓘ |
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: Nishi-Ikebukuro Description of subject: Nishi-Ikebukuro is a neighborhood in Tokyo known as the western part of the Ikebukuro area, featuring a mix of residential streets, commercial facilities, and educational institutions.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Toshima ward