Waterloo Regional Airport
E51392
Waterloo Regional Airport is a public airport in eastern Iowa that serves the Waterloo–Cedar Falls metropolitan area with commercial and general aviation services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Waterloo Regional Airport canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T402597 — 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: Waterloo Regional Airport Context triple: [Cedar Falls, Iowa, hasAirport, Waterloo Regional Airport]
-
A.
Region of Waterloo International Airport
Region of Waterloo International Airport is a regional airport serving the Kitchener–Waterloo area in southern Ontario, Canada, offering domestic and limited international flights.
-
B.
Thunder Bay International Airport
Thunder Bay International Airport is a regional airport in northwestern Ontario, Canada, serving as a key transportation hub for Thunder Bay and the surrounding area.
-
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.
Windsor International Airport
Windsor International Airport is a regional airport serving the city of Windsor and surrounding areas in southwestern Ontario, Canada.
-
E.
Toronto Pearson International Airport
Toronto Pearson International Airport is Canada's largest and busiest airport, serving as the primary international gateway for the Greater Toronto 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: Waterloo Regional Airport Target entity description: Waterloo Regional Airport is a public airport in eastern Iowa that serves the Waterloo–Cedar Falls metropolitan area with commercial and general aviation services.
-
A.
Region of Waterloo International Airport
Region of Waterloo International Airport is a regional airport serving the Kitchener–Waterloo area in southern Ontario, Canada, offering domestic and limited international flights.
-
B.
Thunder Bay International Airport
Thunder Bay International Airport is a regional airport in northwestern Ontario, Canada, serving as a key transportation hub for Thunder Bay and the surrounding area.
-
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.
Windsor International Airport
Windsor International Airport is a regional airport serving the city of Windsor and surrounding areas in southwestern Ontario, Canada.
-
E.
Toronto Pearson International Airport
Toronto Pearson International Airport is Canada's largest and busiest airport, serving as the primary international gateway for the Greater Toronto Area.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
public airport ⓘ |
| category |
Airports in Iowa
ⓘ
Transportation in Black Hawk County, Iowa ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFromCityCenter | approximately 5 miles east of Waterloo ⓘ |
| DSTtimeZone |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
| elevationAboveSeaLevel |
268 meters
ⓘ
879 feet ⓘ |
| FAAcode | ALO ⓘ |
| hasApproach | instrument approach procedures ⓘ |
| hasFacility |
aircraft fuel services
ⓘ
aircraft parking apron ⓘ general aviation facilities ⓘ hangars ⓘ |
| hasServiceType |
commercial aviation
ⓘ
general aviation ⓘ |
| hasTerminal | passenger terminal ⓘ |
| hasUse | public use ⓘ |
| IATAcode | ALO ⓘ |
| ICAOcode | KALO ⓘ |
| locatedIn |
Black Hawk County, Iowa
ⓘ
Iowa ⓘ |
| nearCity | Waterloo, Iowa ⓘ |
| operator |
Waterloo, Ontario
ⓘ
surface form:
City of Waterloo
|
| owner |
Waterloo, Ontario
ⓘ
surface form:
City of Waterloo
|
| pushpinMap |
Iowa
ⓘ
United States of America ⓘ
surface form:
USA
|
| runway |
Runway 12/30
ⓘ
Runway 18/36 ⓘ |
| runway12/30Length | 8,399 feet ⓘ |
| runway18/36Length | 6,003 feet ⓘ |
| runwaySurface | asphalt ⓘ |
| serves |
Cedar Falls, Iowa
ⓘ
Waterloo, Iowa ⓘ Waterloo–Cedar Falls metropolitan area ⓘ |
| servesRegion | eastern Iowa ⓘ |
| supportsActivity |
air taxi operations
ⓘ
corporate aviation ⓘ flight training ⓘ recreational flying ⓘ |
| timeZone | Central Time Zone ⓘ |
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: Waterloo Regional Airport Description of subject: Waterloo Regional Airport is a public airport in eastern Iowa that serves the Waterloo–Cedar Falls metropolitan area with commercial and general aviation services.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
ALO
subject surface form:
Northern Iowa