O'Hare Airport Transit System
E420286
O'Hare Airport Transit System is an automated people mover that transports passengers between terminals, parking areas, and other facilities at Chicago O'Hare International Airport.
All labels observed (2)
| Label | Occurrences |
|---|---|
| O'Hare Airport Transit System canonical | 5 |
| O'Hare Transfer station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4191531 — 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: O'Hare Airport Transit System Context triple: [ORD, hasAirportTransitSystem, O'Hare Airport Transit System]
-
A.
O'Hare station
O'Hare station is a Chicago Transit Authority Blue Line rapid transit station located at O'Hare International Airport, serving as the primary rail link between the airport and downtown Chicago.
-
B.
MAX Red Line light rail
The MAX Red Line light rail is a public transit service in the Portland metropolitan area that connects downtown Portland with Portland International Airport and other key destinations.
-
C.
Madison Metro
Madison Metro is the primary public bus transit system serving the city of Madison, Wisconsin and its surrounding communities.
-
D.
Brown Line
The Brown Line is a rapid transit route of Chicago's "L" system that primarily serves the city's North Side and northwest neighborhoods.
-
E.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
- 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: O'Hare Airport Transit System Target entity description: O'Hare Airport Transit System is an automated people mover that transports passengers between terminals, parking areas, and other facilities at Chicago O'Hare International Airport.
-
A.
O'Hare station
O'Hare station is a Chicago Transit Authority Blue Line rapid transit station located at O'Hare International Airport, serving as the primary rail link between the airport and downtown Chicago.
-
B.
MAX Red Line light rail
The MAX Red Line light rail is a public transit service in the Portland metropolitan area that connects downtown Portland with Portland International Airport and other key destinations.
-
C.
Madison Metro
Madison Metro is the primary public bus transit system serving the city of Madison, Wisconsin and its surrounding communities.
-
D.
Brown Line
The Brown Line is a rapid transit route of Chicago's "L" system that primarily serves the city's North Side and northwest neighborhoods.
-
E.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
airport people mover system
ⓘ
automated people mover ⓘ transport infrastructure ⓘ |
| automationLevel | fully automated ⓘ |
| connectsArea |
airport terminals
ⓘ
ground transportation center ⓘ parking areas ⓘ |
| connectsWith |
O'Hare Multi-Modal Facility transit connections
ⓘ
O'Hare parking garages ⓘ O'Hare passenger terminals ⓘ O'Hare Multi-Modal Facility ⓘ
surface form:
O'Hare rental car center
|
| country | United States of America ⓘ |
| designedFor |
airport employees
ⓘ
airport passengers ⓘ |
| electrification | third rail ⓘ |
| farePolicy | free of charge within airport ⓘ |
| hasAccessibility | wheelchair accessible ⓘ |
| hasCategory |
Airport rail links in the United States
ⓘ
Automated guideway transit ⓘ Transport in Chicago ⓘ |
| hasLanguage |
English signage
ⓘ
bilingual or multilingual passenger information ⓘ |
| hasRouteType | loop line ⓘ |
| hasServicePattern | shuttle service ⓘ |
| isPartOf | O'Hare International Airport ground transportation system ⓘ |
| locatedIn |
O'Hare International Airport
ⓘ
surface form:
Chicago O'Hare International Airport
Chicago, Illinois, United States ⓘ
surface form:
Chicago, Illinois
|
| locatedInTimeZone | Central Time Zone ⓘ |
| numberOfStations | 5 ⓘ |
| openingDate | 1993 ⓘ |
| operator | Chicago Department of Aviation ⓘ |
| owner | City of Chicago ⓘ |
| primaryFunction |
connect terminals with parking facilities
ⓘ
connect terminals with rental car center ⓘ transport passengers between airport terminals ⓘ |
| propulsionSystem | electric motor ⓘ |
| safetySystem | automated train control ⓘ |
| serves |
O'Hare International Airport
ⓘ
surface form:
Chicago O'Hare International Airport
|
| servesFacility |
O'Hare Multi-Modal Facility
ONNED1
ⓘ
O'Hare economy parking ⓘ O'Hare long-term parking ⓘ Terminal 1 (O'Hare) ⓘ
surface form:
Terminal 1 at O'Hare
Terminal 2 at O'Hare ⓘ Terminal 3 (O'Hare) ⓘ
surface form:
Terminal 3 at O'Hare
Terminal 5 at O'Hare ONNED1 ⓘ |
| serviceFrequency | high frequency shuttle ⓘ |
| serviceStatus | in operation ⓘ |
| serviceType | airside–landside connector ⓘ |
| trackGauge | rubber-tired guideway ⓘ |
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: O'Hare Airport Transit System Description of subject: O'Hare Airport Transit System is an automated people mover that transports passengers between terminals, parking areas, and other facilities at Chicago O'Hare International Airport.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
North Central Service
this entity surface form:
O'Hare Transfer station
subject surface form:
Terminal 5 (O'Hare)