Sapporo Clock Tower
E204520
Sapporo Clock Tower is a historic wooden building and iconic symbol of Sapporo, Japan, known for its prominent clock and role as a former drill hall of the Sapporo Agricultural College.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Sapporo Clock Tower canonical | 4 |
| Sapporo City Clock Tower | 1 |
| 札幌市時計台 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1812850 — 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: Sapporo Clock Tower Context triple: [Sapporo, hasLandmark, Sapporo Clock Tower]
-
A.
Sapporo TV Tower
Sapporo TV Tower is a prominent observation and broadcasting tower in central Sapporo, Japan, known for its panoramic city views and illuminated night skyline.
-
B.
Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
-
C.
Yokohama Marine Tower
Yokohama Marine Tower is a prominent coastal observation tower and tourist attraction in Yokohama, Japan, offering panoramic views of the city and its harbor.
-
D.
Tokyo Tower
Tokyo Tower is a landmark red-and-white communications and observation tower in central Tokyo, famous for its city views and Eiffel Tower-inspired design.
-
E.
Yokohama Landmark Tower
Yokohama Landmark Tower is a prominent skyscraper in Yokohama, Japan, known for its height, office and hotel facilities, and observation deck offering panoramic city and bay 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: Sapporo Clock Tower Target entity description: Sapporo Clock Tower is a historic wooden building and iconic symbol of Sapporo, Japan, known for its prominent clock and role as a former drill hall of the Sapporo Agricultural College.
-
A.
Sapporo TV Tower
Sapporo TV Tower is a prominent observation and broadcasting tower in central Sapporo, Japan, known for its panoramic city views and illuminated night skyline.
-
B.
Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
-
C.
Yokohama Marine Tower
Yokohama Marine Tower is a prominent coastal observation tower and tourist attraction in Yokohama, Japan, offering panoramic views of the city and its harbor.
-
D.
Tokyo Tower
Tokyo Tower is a landmark red-and-white communications and observation tower in central Tokyo, famous for its city views and Eiffel Tower-inspired design.
-
E.
Yokohama Landmark Tower
Yokohama Landmark Tower is a prominent skyscraper in Yokohama, Japan, known for its height, office and hotel facilities, and observation deck offering panoramic city and bay views.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
clock tower
ⓘ
cultural property ⓘ historic building ⓘ tourist attraction ⓘ |
| affiliatedWith |
Hokkaido University
NERFINISHED
ⓘ
Sapporo Agricultural College NERFINISHED ⓘ |
| alsoKnownAs |
Sapporo City Clock Tower
ⓘ
linked to:
Sapporo Clock Tower
Tokeidai ⓘ |
| architecturalStyle | American wooden architecture ⓘ |
| clockInstallationDate | 1881 ⓘ |
| constructionStartDate | 1878 ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| formerFunction |
drill hall
ⓘ
lecture hall ⓘ |
| hasFunction |
clock tower
ⓘ
museum ⓘ |
| hasPart |
bell
ⓘ
clock mechanism ⓘ exhibition rooms ⓘ observation space ⓘ |
| hasVisitorFacility |
exhibition about Sapporo Agricultural College
ⓘ
historical displays about Sapporo ⓘ souvenir shop ⓘ |
| heritageDesignation |
Important Cultural Property of Japan
ⓘ
linked to:
Important Cultural Properties of Japan
Tangible Cultural Property of Sapporo City ⓘ |
| imageSubjectOf |
postcards of Sapporo
ⓘ
tourism brochures of Sapporo ⓘ |
| inception | 1878 ⓘ |
| languageOfOfficialName | Japanese ⓘ |
| locatedIn | Sapporo ⓘ |
| locatedInAdministrativeEntity | Hokkaido ⓘ |
| locatedInDistrict | Chūō-ku, Sapporo ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| materialUsed | wood ⓘ |
| nearby |
Odori Park
ⓘ
Sapporo City Hall ⓘ |
| notableFeature |
hourly chimes
ⓘ
prominent clock face ⓘ red roof ⓘ white exterior walls ⓘ wooden structure ⓘ |
| officialName |
札幌市時計台
ⓘ
linked to:
Sapporo Clock Tower
|
| openingDate | 1878 ⓘ |
| operator |
City of Sapporo
ⓘ
linked to:
Sapporo
|
| ownedBy |
City of Sapporo
ⓘ
linked to:
Sapporo
|
| significantEvent |
converted into museum
ⓘ
survived major urban redevelopment of central Sapporo ⓘ |
| touristAttractionStatus |
major symbol of Sapporo
ⓘ
popular sightseeing spot ⓘ |
| usedBy | Sapporo Agricultural College 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: Sapporo Clock Tower Description of subject: Sapporo Clock Tower is a historic wooden building and iconic symbol of Sapporo, Japan, known for its prominent clock and role as a former drill hall of the Sapporo Agricultural College.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sapporo Clock Tower
linked to: Sapporo Clock Tower