Key Tower
E761766
Key Tower is a prominent skyscraper in Cleveland, Ohio, and one of the tallest and most recognizable buildings in the city’s skyline.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Key Tower canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T8828964 — 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: Key Tower Context triple: [Downtown Cleveland, hasLandmark, Key Tower]
-
A.
Landmark Tower
Landmark Tower is a prominent skyscraper in Yokohama, Japan, known for its height, observation deck, and role as a major commercial and office complex.
-
B.
Water Tower
Water Tower is a 1998 translucent resin sculpture by British artist Rachel Whiteread, cast from a New York rooftop water tank and celebrated as a landmark example of her large-scale public works.
-
C.
Central Tower
Central Tower is the slender, octagonal, spire-topped ventilation and bell tower rising from the middle of the Palace of Westminster in London.
-
D.
U.S. Bank Tower
U.S. Bank Tower is a prominent skyscraper in Los Angeles known for its distinctive silhouette and status as one of the tallest buildings on the West Coast of the United States.
-
E.
Bicentennial Tower
Bicentennial Tower is a prominent observation tower and landmark on the Lake Erie waterfront in Erie, Pennsylvania, offering panoramic views of the city and lake.
- 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: Key Tower Target entity description: Key Tower is a prominent skyscraper in Cleveland, Ohio, and one of the tallest and most recognizable buildings in the city’s skyline.
-
A.
Landmark Tower
Landmark Tower is a prominent skyscraper in Yokohama, Japan, known for its height, observation deck, and role as a major commercial and office complex.
-
B.
Water Tower
Water Tower is a 1998 translucent resin sculpture by British artist Rachel Whiteread, cast from a New York rooftop water tank and celebrated as a landmark example of her large-scale public works.
-
C.
Central Tower
Central Tower is the slender, octagonal, spire-topped ventilation and bell tower rising from the middle of the Palace of Westminster in London.
-
D.
U.S. Bank Tower
U.S. Bank Tower is a prominent skyscraper in Los Angeles known for its distinctive silhouette and status as one of the tallest buildings on the West Coast of the United States.
-
E.
Bicentennial Tower
Bicentennial Tower is a prominent observation tower and landmark on the Lake Erie waterfront in Erie, Pennsylvania, offering panoramic views of the city and lake.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | skyscraper ⓘ |
| architect | César Pelli ⓘ |
| architecturalFirm | Pelli Clarke Pelli Architects ⓘ |
| architecturalHeight | 947 ft ⓘ |
| buildingType | commercial offices ⓘ |
| city | Cleveland ⓘ |
| constructionStartYear | 1988 ⓘ |
| coordinates | 41.4993° N, 81.6948° W ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| developer |
The Richard E. Jacobs Group
ⓘ
linked to:
Richard Jacobs Group
|
| elevatorCount | over 40 elevators ⓘ |
| floorArea | approximately 1,500,000 sq ft ⓘ |
| floorCount | 57 ⓘ |
| formerOwner |
Columbia Property Trust
ⓘ
The Richard E. Jacobs Group ⓘ
linked to:
Richard Jacobs Group
|
| function | corporate headquarters ⓘ |
| hasFeature |
connected to Marriott at Key Tower hotel complex
ⓘ
observation and mechanical floors near the top ⓘ |
| hasHelipad | no ⓘ |
| hasParking | underground parking garage ⓘ |
| hasTenant |
KeyBank
ⓘ
KeyCorp ⓘ |
| height |
289 m
ⓘ
947 ft ⓘ |
| locatedIn |
Public Square, Cleveland
ⓘ
linked to:
Public Square (Cleveland)
|
| locatedNear |
Cleveland Public Square
ⓘ
linked to:
Public Square (Cleveland)
Terminal Tower ⓘ |
| location | Cleveland, Ohio, United States ⓘ |
| mainContractor |
Turner Construction
ⓘ
linked to:
Turner Construction Company
|
| managementCompany |
Millennia Commercial Group
ⓘ
linked to:
Millennia Companies
|
| material |
glass
ⓘ
granite ⓘ |
| namedAfter | KeyCorp ⓘ |
| notableFor |
being a major landmark in downtown Cleveland
ⓘ
distinctive stepped granite crown ⓘ |
| openingDate | 1991 ⓘ |
| owner | Millennia Companies ⓘ |
| partOf | Cleveland skyline ⓘ |
| previousName |
Society Center
ⓘ
Society Tower ⓘ |
| ranking |
one of the tallest buildings in the Midwestern United States
ⓘ
tallest building in Cleveland ⓘ tallest building in Ohio ⓘ |
| roofShape | stepped pyramidal crown ⓘ |
| state | Ohio ⓘ |
| streetAddress | 127 Public Square ⓘ |
| style | postmodern architecture ⓘ |
| topFloorHeight | 888 ft ⓘ |
| yearCompleted | 1991 ⓘ |
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: Key Tower Description of subject: Key Tower is a prominent skyscraper in Cleveland, Ohio, and one of the tallest and most recognizable buildings in the city’s skyline.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.