National Airports System of Canada
E121908
The National Airports System of Canada is a federally designated network of major Canadian airports that are considered essential to the country’s air transportation infrastructure and economy.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Canadian National Airports System | 3 |
| National Airports System of Canada canonical | 2 |
| National Airports System | 1 |
| National Airports System member | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1054455 — 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: National Airports System of Canada Context triple: [Ottawa Macdonald–Cartier International Airport, isPartOf, National Airports System of Canada]
-
A.
Transport Canada
Transport Canada is the federal government department responsible for developing regulations, policies, and services to ensure safe, secure, efficient, and environmentally responsible transportation across Canada.
-
B.
Aéroports de Montréal
Aéroports de Montréal is the authority responsible for managing and operating the main international and regional airports serving the Montreal metropolitan area in Quebec, Canada.
-
C.
Ottawa Macdonald–Cartier International Airport
Ottawa Macdonald–Cartier International Airport is the primary airport serving Canada’s capital city, offering domestic and international flights and acting as a key transportation hub in eastern Ontario.
-
D.
Canadian Air Transport Security Authority
The Canadian Air Transport Security Authority is a federal Crown corporation responsible for overseeing security screening operations at airports across Canada.
-
E.
Montréal–Mirabel International Airport
Montréal–Mirabel International Airport is a large, mostly cargo-focused airport northwest of Montreal that was originally built in the 1970s to serve as the city’s main international gateway.
- 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: National Airports System of Canada Target entity description: The National Airports System of Canada is a federally designated network of major Canadian airports that are considered essential to the country’s air transportation infrastructure and economy.
-
A.
Transport Canada
Transport Canada is the federal government department responsible for developing regulations, policies, and services to ensure safe, secure, efficient, and environmentally responsible transportation across Canada.
-
B.
Aéroports de Montréal
Aéroports de Montréal is the authority responsible for managing and operating the main international and regional airports serving the Montreal metropolitan area in Quebec, Canada.
-
C.
Ottawa Macdonald–Cartier International Airport
Ottawa Macdonald–Cartier International Airport is the primary airport serving Canada’s capital city, offering domestic and international flights and acting as a key transportation hub in eastern Ontario.
-
D.
Canadian Air Transport Security Authority
The Canadian Air Transport Security Authority is a federal Crown corporation responsible for overseeing security screening operations at airports across Canada.
-
E.
Montréal–Mirabel International Airport
Montréal–Mirabel International Airport is a large, mostly cargo-focused airport northwest of Montreal that was originally built in the 1970s to serve as the city’s main international gateway.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
airport network
ⓘ
transportation infrastructure program ⓘ |
| administeredBy |
Canadian federal government (Ottawa)
ⓘ
surface form:
Government of Canada
|
| alsoKnownAs |
National Airports System of Canada
ⓘ
surface form:
National Airports System
|
| componentOf | Canadian transportation system ⓘ |
| country | Canada ⓘ |
| criteriaForInclusion |
capital city status
ⓘ
passenger traffic volume ⓘ |
| designationType | federally designated network ⓘ |
| geographicCoverage | Canada-wide ⓘ |
| hasLanguage |
English
ⓘ
French ⓘ |
| importance |
essential to national air transport
ⓘ
essential to national economy ⓘ |
| includes |
airports in national capital region
ⓘ
airports in provincial capitals ⓘ airports in territorial capitals ⓘ airports with annual traffic above a federal threshold ⓘ |
| includesTypeOfFacility | public use airports ⓘ |
| legalStatus | federal policy framework ⓘ |
| overseenBy | Transport Canada ⓘ |
| ownershipModel | mix of federally owned and locally operated airports ⓘ |
| policyArea |
aviation policy
ⓘ
transportation infrastructure planning ⓘ |
| purpose |
support Canada’s air transportation infrastructure
ⓘ
support Canada’s economy ⓘ |
| regulator | Transport Canada ⓘ |
| relatedConcept | National Airports Policy (Canada) ⓘ |
| scope | major Canadian airports ⓘ |
| sector | civil aviation ⓘ |
| shortName | NAS ⓘ |
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: National Airports System of Canada Description of subject: The National Airports System of Canada is a federally designated network of major Canadian airports that are considered essential to the country’s air transportation infrastructure and economy.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
National Airports System member
this entity surface form:
Canadian National Airports System
this entity surface form:
National Airports System
this entity surface form:
Canadian National Airports System
this entity surface form:
Canadian National Airports System