CN Tower
E4888
The CN Tower is a prominent communications and observation tower in downtown Toronto, Canada, and one of the city's most recognizable skyline landmarks.
All labels observed (7)
| Label | Occurrences |
|---|---|
| CN Tower canonical | 31 |
| Main Observation Level of CN Tower | 2 |
| CN Tower area | 1 |
| CN Tower in Toronto | 1 |
| CN Tower management | 1 |
| CN Tower observation deck | 1 |
| CN Tower observation levels | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T76393 — 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: CN Tower Context triple: [Toronto, hasLandmark, CN Tower]
-
A.
Willis Tower
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.
-
B.
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.
-
C.
Eiffel Tower
The Eiffel Tower is a wrought-iron lattice tower in Paris, France, and one of the most recognizable landmarks and symbols of the country.
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D.
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.
-
E.
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.
- 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: CN Tower Target entity description: The CN Tower is a prominent communications and observation tower in downtown Toronto, Canada, and one of the city's most recognizable skyline landmarks.
-
A.
Willis Tower
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.
-
B.
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.
-
C.
Eiffel Tower
The Eiffel Tower is a wrought-iron lattice tower in Paris, France, and one of the most recognizable landmarks and symbols of the country.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
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: CN Tower Description of subject: The CN Tower is a prominent communications and observation tower in downtown Toronto, Canada, and one of the city's most recognizable skyline landmarks.
Referenced by (38)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CN Tower area
this entity surface form:
Main Observation Level of CN Tower
this entity surface form:
CN Tower observation levels
this entity surface form:
CN Tower in Toronto
this entity surface form:
CN Tower management
subject surface form:
Union Station (Toronto)
this entity surface form:
CN Tower observation deck
subject surface form:
Toronto