YYZ
E77965
YYZ is the IATA airport code for Toronto Pearson International Airport, the primary and busiest airport serving the Toronto metropolitan area in Canada.
All labels observed (1)
| Label | Occurrences |
|---|---|
| YYZ canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T622551 — 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: YYZ Context triple: [Toronto Pearson International Airport, IATAcode, YYZ]
-
A.
PortsToronto
PortsToronto is a government business enterprise that manages and operates key transportation and waterfront assets in Toronto, including Billy Bishop Toronto City Airport and the city’s port and marina facilities.
-
B.
Etobicoke
Etobicoke is a large suburban district in the western part of Toronto, Ontario, known for its residential neighborhoods, parks, and industrial areas along the waterfront.
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C.
Toronto City Centre Airport
Toronto City Centre Airport is a small regional airport located on the Toronto Islands near downtown Toronto, primarily serving short-haul domestic and U.S. flights.
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D.
Waterloo Regional Airport
Waterloo Regional Airport is a public airport in eastern Iowa that serves the Waterloo–Cedar Falls metropolitan area with commercial and general aviation services.
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E.
Vaughan
Vaughan is a rapidly growing suburban city in the Greater Toronto Area known for its diverse communities, shopping and entertainment complexes, and attractions like Canada’s Wonderland.
- 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: YYZ Target entity description: YYZ is the IATA airport code for Toronto Pearson International Airport, the primary and busiest airport serving the Toronto metropolitan area in Canada.
-
A.
PortsToronto
PortsToronto is a government business enterprise that manages and operates key transportation and waterfront assets in Toronto, including Billy Bishop Toronto City Airport and the city’s port and marina facilities.
-
B.
Etobicoke
Etobicoke is a large suburban district in the western part of Toronto, Ontario, known for its residential neighborhoods, parks, and industrial areas along the waterfront.
-
C.
Toronto City Centre Airport
Toronto City Centre Airport is a small regional airport located on the Toronto Islands near downtown Toronto, primarily serving short-haul domestic and U.S. flights.
-
D.
Waterloo Regional Airport
Waterloo Regional Airport is a public airport in eastern Iowa that serves the Waterloo–Cedar Falls metropolitan area with commercial and general aviation services.
-
E.
Vaughan
Vaughan is a rapidly growing suburban city in the Greater Toronto Area known for its diverse communities, shopping and entertainment complexes, and attractions like Canada’s Wonderland.
- F. None of above. chosen
Statements (50)
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: YYZ Description of subject: YYZ is the IATA airport code for Toronto Pearson International Airport, the primary and busiest airport serving the Toronto metropolitan area in Canada.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Terminal 1 (Toronto Pearson International Airport)
subject surface form:
Terminal 3 (Toronto Pearson International Airport)
subject surface form:
Former Terminal 2 at Toronto Pearson International Airport