Ontario

E47845

Ontario is a city in southwestern San Bernardino County, California, known as a major logistics and transportation hub anchored by Ontario International Airport and extensive freeway and rail connections.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (1)

Label Occurrences
Ontario canonical 19

Statements (47)

Predicate Object
instanceOf city
municipality
areaCode 840
909
climate Mediterranean climate
continent North America
country United States of America
countySeatOf none
GNISFeatureClass Populated Place
governmentType council–manager government
hasAirport Ontario International Airport
hasCommuterRailService Metrolink San Bernardino Line
hasEconomicSector distribution
hospitality
manufacturing
retail
warehousing
hasFacility Ontario Convention Center
hasHigherEducationInstitution Chaffey College (nearby campus presence)
hasMajorTransportationRole logistics hub
transportation hub
hasShoppingCenter Ontario Mills
hasSisterCity Brockville
surface form: Brockville, Ontario, Canada

Guadalajara
surface form: Guadalajara, Mexico

Los Mochis
surface form: Los Mochis, Mexico

Mocorito, Mexico
Winterthur, Switzerland
hasSportsVenue Toyota Arena
hasTransportInfrastructure freeway network
rail connections
incorporatedAsCity 1891
locatedAlong Interstate 10
Interstate 15
State Route 60
locatedIn Inland Empire
San Bernardino County
surface form: San Bernardino County, California
locatedInTimeZone Pacific Time Zone
locatedNear Los Angeles, California, United States of America
surface form: Los Angeles, California
namedAfter Ontario
surface form: Province of Ontario, Canada
partOf Greater Los Angeles Area
postalCodePrefix 917
primaryAirportFor Inland Empire
regionCode US-CA
servedByAirport Ontario International Airport
servedByRail BNSF Railway
Union Pacific Railroad
state California, United States
surface form: California

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
Description of subject: Ontario is a city in southwestern San Bernardino County, California, known as a major logistics and transportation hub anchored by Ontario International Airport and extensive freeway and rail connections.

Referenced by (19)

Full triples — surface form annotated when it differs from this entity's canonical label.