CYTZ
E30758
CYTZ is the ICAO airport code for Billy Bishop Toronto City Airport, a regional airport located on the Toronto Islands near downtown Toronto, Canada.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T239050 — 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: CYTZ Context triple: [Billy Bishop Toronto City Airport, ICAO code, CYTZ]
-
A.
CZI
CZI is a philanthropic organization founded by Priscilla Chan and Mark Zuckerberg that focuses on advancing science, education, and social justice through technology-driven initiatives and grantmaking.
-
B.
CED
CED is an academic unit focused on the study and practice of environmental design, including fields such as architecture, landscape architecture, and urban planning.
-
C.
TC
TC is the standard abbreviation for the IEEE Transactions on Computers, a leading peer-reviewed journal covering research in computer science and engineering.
-
D.
TUN
TUN is the three-letter ISO 3166-1 alpha-3 country code assigned to Tunisia.
-
E.
TCA
TCA is the commonly used abbreviation for the Technical Cooperation Administration, a former U.S. government agency responsible for administering foreign aid and technical assistance programs.
- 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: CYTZ Target entity description: CYTZ is the ICAO airport code for Billy Bishop Toronto City Airport, a regional airport located on the Toronto Islands near downtown Toronto, Canada.
-
A.
CZI
CZI is a philanthropic organization founded by Priscilla Chan and Mark Zuckerberg that focuses on advancing science, education, and social justice through technology-driven initiatives and grantmaking.
-
B.
CED
CED is an academic unit focused on the study and practice of environmental design, including fields such as architecture, landscape architecture, and urban planning.
-
C.
TC
TC is the standard abbreviation for the IEEE Transactions on Computers, a leading peer-reviewed journal covering research in computer science and engineering.
-
D.
TUN
TUN is the three-letter ISO 3166-1 alpha-3 country code assigned to Tunisia.
-
E.
TCA
TCA is the commonly used abbreviation for the Technical Cooperation Administration, a former U.S. government agency responsible for administering foreign aid and technical assistance programs.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
airport ⓘ airport ⓘ |
| airportType |
civil airport
ⓘ
regional airport ⓘ |
| cityServed | Toronto ⓘ |
| country | Canada ⓘ |
| daylightSavingUTCOffset | UTC−04:00 ⓘ |
| distanceFromDowntown | approximately 2.5 km southwest of downtown Toronto ⓘ |
| elevation |
251 ft
ⓘ
77 m ⓘ |
| FAA LID | YTZ ⓘ |
| focusCityFor | Porter Airlines ⓘ |
| formerName |
Toronto City Centre Airport
ⓘ
Toronto City Centre Airport ⓘ
surface form:
Toronto Island Airport
|
| handlesTrafficType |
domestic flights
ⓘ
regional flights ⓘ some transborder flights to the United States ⓘ |
| hasAccess |
ferry to mainland
ⓘ
pedestrian tunnel to mainland ⓘ |
| hasHelipad | yes ⓘ |
| hasJetBan | commercial jet ban (with limited exceptions) ⓘ |
| hasNoiseRestrictions | yes ⓘ |
| hasPassengerTerminal | yes ⓘ |
| IATA code |
CYTZ
self-linksurface differs
ⓘ
surface form:
YTZ
|
| ICAO code | CYTZ self-linksurface differs ⓘ |
| ICAOCodeFor | Billy Bishop Toronto City Airport ⓘ |
| locatedIn |
Canada
ⓘ
Ontario ⓘ Toronto ⓘ Toronto Islands ⓘ |
| locatedOn | Toronto Islands ⓘ |
| namedAfter | Billy Bishop ⓘ |
| near |
Downtown Toronto
ⓘ
surface form:
downtown Toronto
|
| operator | PortsToronto ⓘ |
| owner |
Toronto
ⓘ
surface form:
City of Toronto
|
| primaryAirline | Porter Airlines ⓘ |
| province | Ontario ⓘ |
| runway | 08/26 ⓘ |
| runwayLength |
1216 m
ⓘ
3990 ft ⓘ |
| runwaySurface | asphalt ⓘ |
| serves | Toronto ⓘ |
| standardTimeUTCOffset | UTC−05:00 ⓘ |
| timeZone | America/Toronto ⓘ |
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: CYTZ Description of subject: CYTZ is the ICAO airport code for Billy Bishop Toronto City Airport, a regional airport located on the Toronto Islands near downtown Toronto, Canada.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Billy Bishop Toronto City Airport
this entity surface form:
YTZ
subject surface form:
Billy Bishop Toronto City Airport
this entity surface form:
YTZ
this entity surface form:
YTZ