DuPage Airport
E41581
DuPage Airport is a public general aviation airport serving the western suburbs of Chicago, known for its extensive corporate and private aviation facilities.
All labels observed (4)
| Label | Occurrences |
|---|---|
| DuPage Airport canonical | 10 |
| DuPage Airport Authority | 3 |
| DuPage Airport runway system | 1 |
| DuPage Flight Center | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T82587 — 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: DuPage Airport Context triple: [DuPage County, Illinois, contains, DuPage Airport]
-
A.
O'Hare International Airport
O'Hare International Airport is one of the busiest and largest airports in the United States, serving as a major global hub for both domestic and international flights.
-
B.
Midway International Airport
Midway International Airport is a major commercial airport on Chicago’s southwest side that serves as a key hub for domestic flights in the United States.
-
C.
Cyril E. King Airport
Cyril E. King Airport is the main commercial airport serving St. Thomas and the surrounding U.S. Virgin Islands in the Caribbean.
-
D.
L.F. Wade International Airport
L.F. Wade International Airport is the primary international gateway to Bermuda, serving as the island territory’s main commercial airport for passenger and cargo flights.
-
E.
Friendship International Airport
Friendship International Airport was the original name of the major airport now known as Baltimore/Washington International Thurgood Marshall Airport, serving the Baltimore–Washington 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: DuPage Airport Target entity description: DuPage Airport is a public general aviation airport serving the western suburbs of Chicago, known for its extensive corporate and private aviation facilities.
-
A.
O'Hare International Airport
O'Hare International Airport is one of the busiest and largest airports in the United States, serving as a major global hub for both domestic and international flights.
-
B.
Midway International Airport
Midway International Airport is a major commercial airport on Chicago’s southwest side that serves as a key hub for domestic flights in the United States.
-
C.
Cyril E. King Airport
Cyril E. King Airport is the main commercial airport serving St. Thomas and the surrounding U.S. Virgin Islands in the Caribbean.
-
D.
L.F. Wade International Airport
L.F. Wade International Airport is the primary international gateway to Bermuda, serving as the island territory’s main commercial airport for passenger and cargo flights.
-
E.
Friendship International Airport
Friendship International Airport was the original name of the major airport now known as Baltimore/Washington International Thurgood Marshall Airport, serving the Baltimore–Washington metropolitan area.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
general aviation airport ⓘ public-use airport ⓘ |
| category |
airports in Illinois
ⓘ
transportation in DuPage County, Illinois ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| elevationFeet | 759 ⓘ |
| faaCode | DPA ⓘ |
| focus |
corporate aviation
ⓘ
private aviation ⓘ |
| hasBasedAircraftType |
helicopters
ⓘ
jets ⓘ multi-engine airplanes ⓘ single-engine airplanes ⓘ |
| hasFacility |
DuPage Business Center
ⓘ
DuPage Airport self-linksurface differs ⓘ
surface form:
DuPage Flight Center
Prairie Landing Golf Club ⓘ U.S. Customs and Border Protection ⓘ
surface form:
U.S. Customs and Border Protection services
aircraft maintenance facilities ⓘ control tower ⓘ corporate hangars ⓘ fixed-base operator ⓘ instrument landing system ⓘ precision approach lighting ⓘ |
| hasNavigationAid |
GPS approaches
ⓘ
VOR ⓘ |
| hasRunway |
Runway 10/28
ⓘ
Runway 2L/20R ⓘ Runway 2R/20L ⓘ |
| icaoCode | KDPA ⓘ |
| locatedIn |
DuPage County, Illinois
ⓘ
West Chicago, Illinois ⓘ |
| nearCity |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago, Illinois
|
| opened | 1940s ⓘ |
| operator |
DuPage Airport
self-linksurface differs
ⓘ
surface form:
DuPage Airport Authority
|
| owner |
DuPage Airport
self-linksurface differs
ⓘ
surface form:
DuPage Airport Authority
|
| role |
corporate aviation hub
ⓘ
reliever airport for Chicago O'Hare International Airport ⓘ |
| runway10/28LengthFeet | 5108 ⓘ |
| runway2L/20RLengthFeet | 7501 ⓘ |
| runway2R/20LLengthFeet | 6000 ⓘ |
| runwayLighting | high-intensity runway lights ⓘ |
| runwaySurface | asphalt ⓘ |
| serves |
Chicago metropolitan area
ⓘ
western suburbs of Chicago ⓘ |
| state | Illinois ⓘ |
| 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: DuPage Airport Description of subject: DuPage Airport is a public general aviation airport serving the western suburbs of Chicago, known for its extensive corporate and private aviation facilities.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
DuPage Airport Authority
this entity surface form:
DuPage Airport Authority
this entity surface form:
DuPage Flight Center
this entity surface form:
DuPage Airport Authority
this entity surface form:
DuPage Airport runway system