CYSN
E904135
CYSN is the ICAO airport code for Niagara District Airport, a regional airport serving the Niagara region in Ontario, Canada.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CYSN canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T11089497 — 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: CYSN Context triple: [Niagara District Airport, ICAOcode, CYSN]
-
A.
CYS
CYS is the National Rail station code for Cathays railway station in Cardiff, Wales.
-
B.
CYS
CYS is the IATA airport code for Cheyenne Regional Airport, a public airport serving Cheyenne, Wyoming, in the United States.
-
C.
CYSB
CYSB is the ICAO airport code for Greater Sudbury Airport, a regional airport serving the city of Greater Sudbury in Ontario, Canada.
-
D.
CYND
CYND is the ICAO airport code for Gatineau-Ottawa Executive Airport, a regional airport serving the National Capital Region of Canada.
-
E.
YCNK
YCNK is the ICAO airport code for Cessnock Airport, a regional airfield serving the Hunter Valley region of New South Wales, Australia.
- 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: CYSN Target entity description: CYSN is the ICAO airport code for Niagara District Airport, a regional airport serving the Niagara region in Ontario, Canada.
-
A.
CYS
CYS is the National Rail station code for Cathays railway station in Cardiff, Wales.
-
B.
CYS
CYS is the IATA airport code for Cheyenne Regional Airport, a public airport serving Cheyenne, Wyoming, in the United States.
-
C.
CYSB
CYSB is the ICAO airport code for Greater Sudbury Airport, a regional airport serving the city of Greater Sudbury in Ontario, Canada.
-
D.
CYND
CYND is the ICAO airport code for Gatineau-Ottawa Executive Airport, a regional airport serving the National Capital Region of Canada.
-
E.
YCNK
YCNK is the ICAO airport code for Cessnock Airport, a regional airfield serving the Hunter Valley region of New South Wales, Australia.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
airport ⓘ regional airport ⓘ |
| airportName | Niagara District Airport ⓘ |
| country | Canada ⓘ |
| elevationFeet | 321 ⓘ |
| hasControlTower | no regular control tower ⓘ |
| hasCustomsService | no regular scheduled customs service ⓘ |
| hasIATACode |
YCM
ⓘ
YCM ⓘ |
| hasICAOCode |
CYSN
ⓘ
CYSN ⓘ |
| hasNavigationAid | non-precision approaches ⓘ |
| hasRunway |
06/24
ⓘ
11/29 ⓘ 15/33 ⓘ |
| hasTerminalBuilding | Niagara District Airport terminal ⓘ |
| locatedIn |
Niagara-on-the-Lake, Ontario
ⓘ
linked to:
Niagara-on-the-Lake
|
| nearCity |
Niagara Falls, Ontario
ⓘ
Niagara-on-the-Lake, Ontario ⓘ
linked to:
Niagara-on-the-Lake
St. Catharines, Ontario ⓘ
linked to:
St. Catharines
|
| province | Ontario ⓘ |
| region | Ontario ⓘ |
| regionServed |
Niagara Peninsula
ⓘ
linked to:
Niagara Region
|
| role | general aviation airport ⓘ |
| runwayCount | 3 ⓘ |
| serves |
Niagara Falls, Ontario
ⓘ
Niagara region ⓘ
linked to:
Niagara Region
Niagara-on-the-Lake, Ontario ⓘ
linked to:
Niagara-on-the-Lake
St. Catharines, Ontario ⓘ
linked to:
St. Catharines
|
| surface |
asphalt
ⓘ
asphalt ⓘ turf ⓘ |
| trafficType | general aviation traffic ⓘ |
| usedFor |
charter flights
ⓘ
flight training ⓘ sightseeing flights ⓘ |
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: CYSN Description of subject: CYSN is the ICAO airport code for Niagara District Airport, a regional airport serving the Niagara region in Ontario, Canada.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.