Willis Tower
E2926
Willis Tower is a 110-story skyscraper in downtown Chicago that was once the tallest building in the world and remains an iconic feature of the city's skyline.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Willis Tower canonical | 25 |
| Sears Tower | 5 |
| Willis Tower, Chicago | 3 |
| Sears Tower (Willis Tower) | 1 |
| Sears Tower, Chicago | 1 |
| Skydeck Chicago | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5520 — 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: Willis Tower Context triple: [Chicago, Illinois, United States, hasLandmark, Willis Tower]
-
A.
Empire State Building
The Empire State Building is an iconic 102-story Art Deco skyscraper in Midtown Manhattan that was once the world’s tallest building and remains a symbol of New York City.
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B.
One World Trade Center
One World Trade Center is the main skyscraper of the rebuilt World Trade Center complex in Lower Manhattan and the tallest building in the United States.
-
C.
Rockefeller Center
Rockefeller Center is a famous Art Deco commercial complex in Midtown Manhattan known for its iconic ice-skating rink, Christmas tree, and the Top of the Rock observation deck.
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D.
Reunion Tower
Reunion Tower is a distinctive, geodesic-domed observation tower and popular tourist attraction that prominently features in the Dallas skyline.
-
E.
Navy Pier
Navy Pier is a historic lakefront entertainment and cultural destination in Chicago featuring attractions like rides, restaurants, theaters, and exhibition spaces along Lake Michigan.
- 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: Willis Tower Target entity description: Willis Tower is a 110-story skyscraper in downtown Chicago that was once the tallest building in the world and remains an iconic feature of the city's skyline.
-
A.
Empire State Building
The Empire State Building is an iconic 102-story Art Deco skyscraper in Midtown Manhattan that was once the world’s tallest building and remains a symbol of New York City.
-
B.
One World Trade Center
One World Trade Center is the main skyscraper of the rebuilt World Trade Center complex in Lower Manhattan and the tallest building in the United States.
-
C.
Rockefeller Center
Rockefeller Center is a famous Art Deco commercial complex in Midtown Manhattan known for its iconic ice-skating rink, Christmas tree, and the Top of the Rock observation deck.
-
D.
Reunion Tower
Reunion Tower is a distinctive, geodesic-domed observation tower and popular tourist attraction that prominently features in the Dallas skyline.
-
E.
Navy Pier
Navy Pier is a historic lakefront entertainment and cultural destination in Chicago featuring attractions like rides, restaurants, theaters, and exhibition spaces along Lake Michigan.
- F. None of above. chosen
Statements (56)
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: Willis Tower Description of subject: Willis Tower is a 110-story skyscraper in downtown Chicago that was once the tallest building in the world and remains an iconic feature of the city's skyline.
Referenced by (36)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sears Tower
this entity surface form:
Skydeck Chicago
this entity surface form:
Sears Tower, Chicago
this entity surface form:
Sears Tower
this entity surface form:
Sears Tower
this entity surface form:
Sears Tower
this entity surface form:
Sears Tower
this entity surface form:
Sears Tower (Willis Tower)
this entity surface form:
Willis Tower, Chicago
subject surface form:
Skidmore, Owings & Merrill
subject surface form:
Downtown Chicago
subject surface form:
Chicago
this entity surface form:
Willis Tower, Chicago
this entity surface form:
Willis Tower, Chicago