YZZ
E1042779
YZZ is the IATA airport code for Trail Regional Airport, a small regional airport serving the Trail area in British Columbia, Canada.
All labels observed (1)
| Label | Occurrences |
|---|---|
| YZZ canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13465629 — 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: YZZ Context triple: [Trail Regional Airport, hasIATACode, YZZ]
-
A.
YHZ
YHZ is the IATA airport code for Halifax Stanfield International Airport, the primary commercial airport serving Halifax and much of Atlantic Canada.
-
B.
YYN
YYN is the IATA airport code for Swift Current Airport in Saskatchewan, Canada.
-
C.
YYR
YYR is the IATA airport code for Happy Valley-Goose Bay Airport, a regional air transport hub in Newfoundland and Labrador, Canada.
-
D.
YYT
YYT is the IATA airport code for St. John’s International Airport, the main air gateway to St. John’s, Newfoundland and Labrador, Canada.
-
E.
GYY
GYY is the IATA airport code for Gary/Chicago International Airport, a regional airport serving the Gary, Indiana and greater Chicago metropolitan area.
- 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: YZZ Target entity description: YZZ is the IATA airport code for Trail Regional Airport, a small regional airport serving the Trail area in British Columbia, Canada.
-
A.
YHZ
YHZ is the IATA airport code for Halifax Stanfield International Airport, the primary commercial airport serving Halifax and much of Atlantic Canada.
-
B.
YYN
YYN is the IATA airport code for Swift Current Airport in Saskatchewan, Canada.
-
C.
YYR
YYR is the IATA airport code for Happy Valley-Goose Bay Airport, a regional air transport hub in Newfoundland and Labrador, Canada.
-
D.
YYT
YYT is the IATA airport code for St. John’s International Airport, the main air gateway to St. John’s, Newfoundland and Labrador, Canada.
-
E.
GYY
GYY is the IATA airport code for Gary/Chicago International Airport, a regional airport serving the Gary, Indiana and greater Chicago metropolitan area.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
IATA airport code
ⓘ
airport ⓘ regional airport ⓘ |
| cityServed | Trail, British Columbia ⓘ |
| country | Canada ⓘ |
| elevationAboveSeaLevel |
1427 ft
ⓘ
435 m ⓘ |
| hasType | public airport ⓘ |
| IATA code | YZZ ⓘ |
| ICAO code | CAD4 ⓘ |
| locatedIn |
British Columbia
ⓘ
Canada ⓘ Trail ⓘ West Kootenay ⓘ |
| locatedNear |
Columbia River
ⓘ
United States border ⓘ
linked to:
United States borders
|
| operator | City of Trail ⓘ |
| region | British Columbia ⓘ |
| represents | Trail Regional Airport ⓘ |
| runwayCount | 1 ⓘ |
| runwayDesignation | 16/34 ⓘ |
| runwayLength |
1219 m
ⓘ
4000 ft ⓘ |
| runwaySurface | asphalt ⓘ |
| serves |
Trail area
ⓘ
West Kootenay region ⓘ
linked to:
West Kootenay
general aviation ⓘ passenger traffic ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| usesDaylightSavingTime | yes ⓘ |
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: YZZ Description of subject: YZZ is the IATA airport code for Trail Regional Airport, a small regional airport serving the Trail area in British Columbia, Canada.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.