Toshima
E217543
Toshima is a special ward in northwest Tokyo known for the major commercial and entertainment hub of Ikebukuro and its dense urban residential districts.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T1102240 — 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: Toshima Context triple: [Tokyo Metro Fukutoshin Line, connectsDistrict, Toshima]
-
A.
Moriguchi
Moriguchi is a city in Japan’s Kansai region that forms part of the Osaka metropolitan area and serves as a residential and commercial hub.
-
B.
Toyonaka
Toyonaka is a suburban city in Japan’s Kansai region known for its residential neighborhoods, educational institutions, and proximity to central Osaka.
-
C.
Naniwa-ku
Naniwa-ku is a central ward of Osaka, Japan, known for its bustling entertainment districts, shopping streets, and iconic landmarks such as Tsutenkaku Tower.
-
D.
Kitano-cho
Kitano-cho is a historic district in Kobe, Japan, known for its preserved Western-style residences built by foreign merchants in the late 19th and early 20th centuries.
-
E.
Ikeja
Ikeja is a major commercial and administrative hub in Nigeria, serving as the capital of Lagos State and hosting numerous businesses, government offices, and the Murtala Muhammed International Airport.
- 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: Toshima Target entity description: Toshima is a special ward in northwest Tokyo known for the major commercial and entertainment hub of Ikebukuro and its dense urban residential districts.
-
A.
Moriguchi
Moriguchi is a city in Japan’s Kansai region that forms part of the Osaka metropolitan area and serves as a residential and commercial hub.
-
B.
Toyonaka
Toyonaka is a suburban city in Japan’s Kansai region known for its residential neighborhoods, educational institutions, and proximity to central Osaka.
-
C.
Naniwa-ku
Naniwa-ku is a central ward of Osaka, Japan, known for its bustling entertainment districts, shopping streets, and iconic landmarks such as Tsutenkaku Tower.
-
D.
Kitano-cho
Kitano-cho is a historic district in Kobe, Japan, known for its preserved Western-style residences built by foreign merchants in the late 19th and early 20th centuries.
-
E.
Ikeja
Ikeja is a major commercial and administrative hub in Nigeria, serving as the capital of Lagos State and hosting numerous businesses, government offices, and the Murtala Muhammed International Airport.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf | special ward of Tokyo ⓘ |
| country | Japan ⓘ |
| governedBy | Toshima City Office ⓘ |
| hasAdministrativeCenter | Ikebukuro ⓘ |
| hasAdministrativeStatus | special ward ⓘ |
| hasBirdSymbol | Black-headed gull ⓘ |
| hasFlowerSymbol | Camellia ⓘ |
| hasLandUseCharacteristic |
commercial center
ⓘ
dense urban residential area ⓘ entertainment district ⓘ |
| hasMajorDistrict |
Higashi-Ikebukuro
ⓘ
Ikebukuro ⓘ Kanamecho ⓘ Ikebukuro ⓘ
surface form:
Kita-Ikebukuro
Komagome ⓘ Toshima self-linksurface differs ⓘ
surface form:
Mejiro
Minami-Ikebukuro ⓘ Nagasaki ⓘ Nishi-Ikebukuro ⓘ Otsuka ⓘ Shiinamachi ⓘ Sugamo ⓘ Zoshigaya ⓘ |
| hasNotableArea |
Ikebukuro
ⓘ
surface form:
Ikebukuro commercial district
Ikebukuro ⓘ
surface form:
Ikebukuro entertainment district
Otome Road ⓘ Sugamo Jizo-dori shopping street ⓘ Sunshine City ⓘ
surface form:
Sunshine City complex
|
| hasNotableInstitution |
Gakushuin University
ⓘ
Rikkyo University NERFINISHED ⓘ Tokyo College of Music ⓘ
surface form:
Tokyo College of Music (Ikebukuro campus)
|
| hasOfficialLanguage | Japanese ⓘ |
| hasPopulationDensity | high ⓘ |
| hasRailHub | Ikebukuro Station NERFINISHED ⓘ |
| hasSymbol | Toshima ward emblem ⓘ |
| hasTreeSymbol | Zelkova ⓘ |
| isPartOf |
Tokyo 23 wards
ⓘ
surface form:
Tokyo 23 special wards
Tokyo Prefecture ⓘ
surface form:
Tokyo Metropolis
|
| locatedIn |
Honshu
ⓘ
Kantō region ⓘ Tokyo ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| servedByRailwayLine |
JR Saikyo Line
NERFINISHED
ⓘ
JR Shonan–Shinjuku Line NERFINISHED ⓘ JR Yamanote Line ⓘ Seibu Ikebukuro Line NERFINISHED ⓘ Tobu Tojo Line NERFINISHED ⓘ Tokyo Metro Fukutoshin Line NERFINISHED ⓘ Tokyo Metro Marunouchi Line NERFINISHED ⓘ Tokyo Metro Yurakucho Line NERFINISHED ⓘ |
| UTCOffset | +9 ⓘ |
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: Toshima Description of subject: Toshima is a special ward in northwest Tokyo known for the major commercial and entertainment hub of Ikebukuro and its dense urban residential districts.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Nagatacho
subject surface form:
Bunkyō
this entity surface form:
Mejiro
this entity surface form:
Mejiro
this entity surface form:
Mejiro