Ontario International Airport
E14135
Ontario International Airport is a major passenger and cargo airport in the Inland Empire region of Southern California, serving as an alternative to Los Angeles International Airport for domestic and limited international flights.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Ontario International Airport canonical | 29 |
| LA/Ontario International Airport | 6 |
| Ontario International Airport Authority | 1 |
| Ontario International Airport airfield | 1 |
| Ontario Municipal Airport | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T36205 — 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: Ontario International Airport Context triple: [Southern California, hasAirport, Ontario International Airport]
-
A.
Logan International Airport
Logan International Airport is a major U.S. air transportation hub serving the Greater Boston area and New England region.
-
B.
Los Angeles International Airport
Los Angeles International Airport is one of the busiest airports in the world and a major international gateway for air travel to and from the United States.
-
C.
Washington Dulles International Airport
Washington Dulles International Airport is a major international airport serving the Washington, D.C. metropolitan area, known for its extensive global flight network and iconic Eero Saarinen–designed terminal.
-
D.
LaGuardia Airport
LaGuardia Airport is a major commercial airport in Queens serving New York City, particularly known for its domestic flights and proximity to Manhattan.
-
E.
Newark Liberty International Airport
Newark Liberty International Airport is a major international airport serving the New York City metropolitan area, located in Newark, New Jersey.
- 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: Ontario International Airport Target entity description: Ontario International Airport is a major passenger and cargo airport in the Inland Empire region of Southern California, serving as an alternative to Los Angeles International Airport for domestic and limited international flights.
-
A.
Logan International Airport
Logan International Airport is a major U.S. air transportation hub serving the Greater Boston area and New England region.
-
B.
Los Angeles International Airport
Los Angeles International Airport is one of the busiest airports in the world and a major international gateway for air travel to and from the United States.
-
C.
Washington Dulles International Airport
Washington Dulles International Airport is a major international airport serving the Washington, D.C. metropolitan area, known for its extensive global flight network and iconic Eero Saarinen–designed terminal.
-
D.
LaGuardia Airport
LaGuardia Airport is a major commercial airport in Queens serving New York City, particularly known for its domestic flights and proximity to Manhattan.
-
E.
Newark Liberty International Airport
Newark Liberty International Airport is a major international airport serving the New York City metropolitan area, located in Newark, New Jersey.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
commercial airport ⓘ public airport ⓘ |
| airportType |
cargo airport
ⓘ
passenger airport ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFromLosAngeles | approximately 35 miles east of downtown Los Angeles ⓘ |
| elevation |
288 meters
ⓘ
944 feet ⓘ |
| FAAcode | ONT ⓘ |
| focusCityFor |
Frontier Airlines
ⓘ
Southwest Airlines ⓘ |
| formerName |
Ontario International Airport
self-linksurface differs
ⓘ
surface form:
Ontario Municipal Airport
|
| hasCargoOperations | yes ⓘ |
| hasCustomsFacilities | yes ⓘ |
| hasGroundTransport |
bus services
ⓘ
rental car facilities ⓘ rideshare services ⓘ |
| hasInternationalServiceScope | limited international flights ⓘ |
| hasParking | on-site parking facilities ⓘ |
| hasTerminal |
International Arrivals Facility
ⓘ
Terminal 2 ⓘ Terminal 4 ⓘ |
| hubFor | UPS Airlines ⓘ |
| IATAcode | ONT ⓘ |
| ICAOcode | KONT ⓘ |
| locatedIn |
Inland Empire
ⓘ
Ontario, California ⓘ San Bernardino County ⓘ
surface form:
San Bernardino County, California
Southern California ⓘ |
| nearCity |
Los Angeles, California, United States of America
ⓘ
surface form:
Los Angeles, California
|
| offersServiceType |
domestic flights
ⓘ
international flights ⓘ |
| opened | 1920s ⓘ |
| operator | Ontario International Airport Authority ⓘ |
| owner |
Ontario International Airport
self-linksurface differs
ⓘ
surface form:
Ontario International Airport Authority
|
| previousOwner | Los Angeles World Airports ⓘ |
| regionServed |
Inland Empire region of California
ⓘ
surface form:
Inland Empire region
Southern California ⓘ |
| runway |
Runway 8L/26R
ⓘ
Runway 8L/26R ⓘ
surface form:
Runway 8R/26L
|
| runwayLength |
Runway 8L/26R length approximately 10,200 feet
ⓘ
Runway 8R/26L length approximately 12,200 feet ⓘ |
| runwaySurface |
asphalt
ⓘ
concrete ⓘ |
| serves |
Greater Los Angeles Area
ⓘ
surface form:
Greater Los Angeles area
|
| servesAs | alternative to Los Angeles International Airport ⓘ |
| servesMetropolitanArea |
Greater Los Angeles Area
ⓘ
surface form:
Los Angeles metropolitan area
|
| timeZone | Pacific 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: Ontario International Airport Description of subject: Ontario International Airport is a major passenger and cargo airport in the Inland Empire region of Southern California, serving as an alternative to Los Angeles International Airport for domestic and limited international flights.
Referenced by (38)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ontario International Airport Authority
Ontario International Airport
→
formerName
→
Ontario International Airport
self-linksurface differs
ⓘ
this entity surface form:
Ontario Municipal Airport
subject surface form:
Inland Empire
subject surface form:
Inland Empire
this entity surface form:
LA/Ontario International Airport
this entity surface form:
LA/Ontario International Airport
subject surface form:
Ontario, California
subject surface form:
Ontario, California
subject surface form:
International Arrivals Facility (Ontario International Airport)
subject surface form:
Terminal 2 (Ontario International Airport)
this entity surface form:
Ontario International Airport airfield
subject surface form:
Terminal 4 (Ontario International Airport)
this entity surface form:
LA/Ontario International Airport
Riverside–San Bernardino–Ontario metropolitan area
→
servedByAirport
→
Ontario International Airport
ⓘ
this entity surface form:
LA/Ontario International Airport
this entity surface form:
LA/Ontario International Airport
this entity surface form:
LA/Ontario International Airport