Billy Bishop Toronto City Airport
E4887
Billy Bishop Toronto City Airport is a small regional airport located on the Toronto Islands near downtown Toronto, primarily serving short-haul domestic and U.S. destinations.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Billy Bishop Toronto City Airport canonical | 21 |
| Billy Bishop Toronto City Water Aerodrome | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T76384 — 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: Billy Bishop Toronto City Airport Context triple: [Toronto, hasAirport, Billy Bishop Toronto City Airport]
-
A.
Teniente Rodolfo Marsh Martin Aerodrome
Teniente Rodolfo Marsh Martin Aerodrome is a key Chilean airfield in Antarctica that serves as a primary gateway for scientific, logistical, and passenger flights to the Chilean Antarctic bases.
-
B.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
C.
Baltimore/Washington International Thurgood Marshall Airport
Baltimore/Washington International Thurgood Marshall Airport is a major commercial airport in Maryland serving the greater Baltimore–Washington metropolitan area as a key hub for domestic and some international flights.
-
D.
Washington Dulles International Airport
Washington Dulles International Airport is a major international airport serving the Washington, D.C. metropolitan area, known for its extensive global flight network and iconic Eero Saarinen–designed terminal.
-
E.
Toronto
Toronto is the largest city in Canada and a major cultural, financial, and media hub located in the province of Ontario.
- 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: Billy Bishop Toronto City Airport Target entity description: Billy Bishop Toronto City Airport is a small regional airport located on the Toronto Islands near downtown Toronto, primarily serving short-haul domestic and U.S. destinations.
-
A.
Teniente Rodolfo Marsh Martin Aerodrome
Teniente Rodolfo Marsh Martin Aerodrome is a key Chilean airfield in Antarctica that serves as a primary gateway for scientific, logistical, and passenger flights to the Chilean Antarctic bases.
-
B.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
C.
Baltimore/Washington International Thurgood Marshall Airport
Baltimore/Washington International Thurgood Marshall Airport is a major commercial airport in Maryland serving the greater Baltimore–Washington metropolitan area as a key hub for domestic and some international flights.
-
D.
Washington Dulles International Airport
Washington Dulles International Airport is a major international airport serving the Washington, D.C. metropolitan area, known for its extensive global flight network and iconic Eero Saarinen–designed terminal.
-
E.
Toronto
Toronto is the largest city in Canada and a major cultural, financial, and media hub located in the province of Ontario.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
regional airport ⓘ |
| allows | general aviation ⓘ |
| cityServed | Toronto ⓘ |
| country | Canada ⓘ |
| DSTTimeZone |
Eastern Time Zone
ⓘ
surface form:
Eastern Daylight Time
|
| elevation | 77 metres ⓘ |
| focusCityFor | Porter Airlines ⓘ |
| formerName |
Port George VI Island Airport
ⓘ
Toronto City Centre Airport ⓘ |
| hasApproach | instrument approach procedures ⓘ |
| hasCategory |
Airports in Toronto
ⓘ
Buildings and structures in Toronto ⓘ Transport in Toronto ⓘ |
| hasCustomsFacilities | yes ⓘ |
| hasHeliport |
Billy Bishop Toronto City Airport
self-linksurface differs
ⓘ
surface form:
Billy Bishop Toronto City Water Aerodrome
|
| hasNoiseRestrictions | yes ⓘ |
| hasPassengerTerminal | passenger terminal building ⓘ |
| hasPushpinMapRegion | Canada Toronto ⓘ |
| hasTerminalGates | multiple turboprop gates ⓘ |
| hasWebsite | https://www.billybishopairport.com/ ⓘ |
| IATA code | YTZ ⓘ |
| ICAO code | CYTZ ⓘ |
| locatedIn |
Ontario
ⓘ
Toronto ⓘ |
| locatedInBodyOfWater |
Toronto Islands
ⓘ
surface form:
Toronto Harbour
|
| locatedNear | Downtown Toronto ⓘ |
| locatedOn | Toronto Islands ⓘ |
| namedAfter | Billy Bishop ⓘ |
| namedAfterCountry | Canada ⓘ |
| namedForOccupation | First World War flying ace ⓘ |
| opened | 1939 ⓘ |
| operator | PortsToronto ⓘ |
| owner |
Toronto
ⓘ
surface form:
City of Toronto
|
| primaryUse |
short-haul United States flights
ⓘ
short-haul domestic flights ⓘ |
| prohibits | scheduled jet airliner service on main runway ⓘ |
| runway | 08/26 ⓘ |
| runwayLength | 1216 metres ⓘ |
| runwaySurface | asphalt ⓘ |
| serves | Toronto ⓘ |
| servesAirlineType | regional airlines ⓘ |
| servesRegion | Greater Toronto Area ⓘ |
| surfaceAccess |
ferry
ⓘ
pedestrian tunnel ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| type | public ⓘ |
| WMO code | 71265 ⓘ |
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: Billy Bishop Toronto City Airport Description of subject: Billy Bishop Toronto City Airport is a small regional airport located on the Toronto Islands near downtown Toronto, primarily serving short-haul domestic and U.S. destinations.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
Billy Bishop Toronto City Airport
→
hasHeliport
→
Billy Bishop Toronto City Airport
self-linksurface differs
ⓘ
this entity surface form:
Billy Bishop Toronto City Water Aerodrome
subject surface form:
Toronto