Cosmo Clock 21 Ferris wheel
E64000
Cosmo Clock 21 Ferris wheel is a giant Ferris wheel and former world’s largest, notable for its illuminated clock and panoramic views over Yokohama’s Minato Mirai waterfront district.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cosmo Clock 21 | 4 |
| Cosmo Clock 21 Ferris wheel canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T514539 — 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: Cosmo Clock 21 Ferris wheel Context triple: [Yokohama, hasLandmark, Cosmo Clock 21 Ferris wheel]
-
A.
Tempozan Giant Ferris Wheel
Tempozan Giant Ferris Wheel is a large, popular observation wheel in Osaka, Japan, offering panoramic views of the city and Osaka Bay.
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B.
Giant Ferris Wheel
The Giant Ferris Wheel is a historic, iconic observation wheel in Vienna’s Prater amusement park, renowned as one of the city’s most recognizable symbols and tourist attractions.
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C.
Centennial Wheel
The Centennial Wheel is a large, modern Ferris wheel at Chicago’s Navy Pier that offers panoramic views of the city skyline and Lake Michigan.
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D.
Seattle Great Wheel
The Seattle Great Wheel is a large Ferris wheel on Pier 57 along Seattle’s waterfront, offering panoramic views of the city skyline and Elliott Bay.
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E.
London Eye
The London Eye is a giant riverside observation wheel in central London offering panoramic views of the city’s skyline and landmarks.
- 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: Cosmo Clock 21 Ferris wheel Target entity description: Cosmo Clock 21 Ferris wheel is a giant Ferris wheel and former world’s largest, notable for its illuminated clock and panoramic views over Yokohama’s Minato Mirai waterfront district.
-
A.
Tempozan Giant Ferris Wheel
Tempozan Giant Ferris Wheel is a large, popular observation wheel in Osaka, Japan, offering panoramic views of the city and Osaka Bay.
-
B.
Giant Ferris Wheel
The Giant Ferris Wheel is a historic, iconic observation wheel in Vienna’s Prater amusement park, renowned as one of the city’s most recognizable symbols and tourist attractions.
-
C.
Centennial Wheel
The Centennial Wheel is a large, modern Ferris wheel at Chicago’s Navy Pier that offers panoramic views of the city skyline and Lake Michigan.
-
D.
Seattle Great Wheel
The Seattle Great Wheel is a large Ferris wheel on Pier 57 along Seattle’s waterfront, offering panoramic views of the city skyline and Elliott Bay.
-
E.
London Eye
The London Eye is a giant riverside observation wheel in central London offering panoramic views of the city’s skyline and landmarks.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Ferris wheel
ⓘ
landmark ⓘ observation wheel ⓘ tourist attraction ⓘ |
| city | Yokohama ⓘ |
| country | Japan ⓘ |
| diameter | 100 metres ⓘ |
| formerHeight | 107.5 metres ⓘ |
| formerStatus | world’s tallest Ferris wheel ⓘ |
| formerWheelDiameter | 100 metres ⓘ |
| hasFeature |
illuminated clock face
ⓘ
large digital clock ⓘ nighttime light displays ⓘ panoramic city views ⓘ views of Minato Mirai waterfront ⓘ views over Yokohama Bay ⓘ |
| height | 112.5 metres ⓘ |
| heldRecord | world’s tallest Ferris wheel ⓘ |
| inceptionYear | 1989 ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn |
Japan
ⓘ
Kanagawa Prefecture ⓘ Yokohama ⓘ |
| locatedInArea |
Minato Mirai 21
ⓘ
Yokohama Cosmo World ⓘ |
| locatedOnWaterfront |
Minato Mirai waterfront district
ⓘ
linked to:
Minato Mirai
|
| notableFor |
being a giant Ferris wheel
ⓘ
its illuminated clock ⓘ nighttime skyline views ⓘ role as symbol of Minato Mirai 21 ⓘ |
| numberOfGondolas | 60 ⓘ |
| openedFor | Yokohama Expo 1989 ⓘ |
| openingDate | 1989-03-18 ⓘ |
| overlooks |
Minato Mirai waterfront
ⓘ
linked to:
Minato Mirai
Port of Yokohama ⓘ Yokohama Bay ⓘ
linked to:
Tokyo Bay
|
| owner | Yokohama Cosmo World ⓘ |
| partOf |
Yokohama Cosmo World amusement park
ⓘ
linked to:
Yokohama Cosmo World
|
| reconstructionYear | 1999 ⓘ |
| recordEndYear | 1997 ⓘ |
| recordStartYear | 1989 ⓘ |
| relocatedWithin |
Minato Mirai 21 district
ⓘ
linked to:
Minato Mirai
|
| rideDuration | about 15 minutes ⓘ |
| status | operational ⓘ |
| structureHeight | 112.5 metres ⓘ |
| wasRelocated | 1999 ⓘ |
| wheelDiameter | 100 metres ⓘ |
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: Cosmo Clock 21 Ferris wheel Description of subject: Cosmo Clock 21 Ferris wheel is a giant Ferris wheel and former world’s largest, notable for its illuminated clock and panoramic views over Yokohama’s Minato Mirai waterfront district.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cosmo Clock 21 Ferris wheel
linked to: Cosmo Clock 21 Ferris wheel
linked to: Cosmo Clock 21 Ferris wheel
linked to: Cosmo Clock 21 Ferris wheel