Osaka City Hall
E296821
Osaka City Hall is the main administrative headquarters of Osaka City, located in the central Nakanoshima district and housing the city’s municipal government offices.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Osaka City Hall canonical | 3 |
| Osaka City Hall (Nakanoshima, part) | 1 |
| Osaka City Hall main offices | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2770132 — 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: Osaka City Hall Context triple: [Kitashinchi Station, near, Osaka City Hall]
-
A.
Nagoya City Hall
Nagoya City Hall is the central municipal government building and administrative headquarters of the city of Nagoya, Japan.
-
B.
Osaka Castle Hall
Osaka Castle Hall is a large multi-purpose arena in Osaka, Japan, known for hosting concerts, sports events, and cultural performances near Osaka Castle.
-
C.
Minoh City Hall
Minoh City Hall is the main municipal government building and administrative center serving the city of Minoh in Osaka Prefecture, Japan.
-
D.
Minato City Hall
Minato City Hall is the main administrative government building serving Tokyo’s Minato ward.
-
E.
Umeda Sky Building
Umeda Sky Building is a landmark high-rise complex in Osaka, Japan, known for its striking twin-tower design connected by a rooftop observatory with panoramic city views.
- 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: Osaka City Hall Target entity description: Osaka City Hall is the main administrative headquarters of Osaka City, located in the central Nakanoshima district and housing the city’s municipal government offices.
-
A.
Nagoya City Hall
Nagoya City Hall is the central municipal government building and administrative headquarters of the city of Nagoya, Japan.
-
B.
Osaka Castle Hall
Osaka Castle Hall is a large multi-purpose arena in Osaka, Japan, known for hosting concerts, sports events, and cultural performances near Osaka Castle.
-
C.
Minoh City Hall
Minoh City Hall is the main municipal government building and administrative center serving the city of Minoh in Osaka Prefecture, Japan.
-
D.
Minato City Hall
Minato City Hall is the main administrative government building serving Tokyo’s Minato ward.
-
E.
Umeda Sky Building
Umeda Sky Building is a landmark high-rise complex in Osaka, Japan, known for its striking twin-tower design connected by a rooftop observatory with panoramic city views.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
city hall
ⓘ
government building ⓘ |
| administers |
Osaka
ⓘ
surface form:
Osaka City
|
| architecturalStyle | modern architecture ⓘ |
| category |
City and town halls in Japan
ⓘ
Osaka city authorities ⓘ
surface form:
Government of Osaka
|
| country | Japan ⓘ |
| governs |
Osaka
ⓘ
surface form:
Osaka City
|
| hasCoordinates | approximate: 34.691°N 135.501°E ⓘ |
| hasFunction |
administrative center
ⓘ
municipal government headquarters ⓘ |
| hasMunicipalJurisdiction |
Osaka
ⓘ
surface form:
Osaka City
|
| hasPart |
city council chamber
ⓘ
mayor’s office ⓘ municipal administration offices ⓘ |
| hasPublicAccess | yes ⓘ |
| isInDistrict | central business district of Osaka ⓘ |
| languageOfOfficialBusiness | Japanese ⓘ |
| locatedBetween |
Dojima River
ⓘ
Tosabori River ⓘ |
| locatedIn |
Kita-ku, Osaka
ⓘ
Nakanoshima ⓘ Osaka ⓘ Osaka Prefecture ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| locatedOn | Nakanoshima Island ⓘ |
| near |
Nakanoshima Park
ⓘ
Osaka City Central Public Hall ⓘ Yodoyabashi area ⓘ |
| occupant |
Mayor of Osaka
ⓘ
Osaka city authorities ⓘ
surface form:
Osaka City Government
|
| operatedBy |
Osaka city authorities
ⓘ
surface form:
Osaka City Government
|
| ownedBy |
Osaka city authorities
ⓘ
surface form:
Osaka City Government
|
| serves | residents of Osaka City ⓘ |
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: Osaka City Hall Description of subject: Osaka City Hall is the main administrative headquarters of Osaka City, located in the central Nakanoshima district and housing the city’s municipal government offices.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Osaka City Hall main offices
subject surface form:
Kita-ku, Osaka
this entity surface form:
Osaka City Hall (Nakanoshima, part)