Midway Airport branch of Orange Line
E481912
The Midway Airport branch of the Orange Line is the Chicago Transit Authority rapid transit segment that connects downtown Chicago to Midway International Airport and nearby Southwest Side neighborhoods.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Midway Airport branch of Orange Line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4933484 — 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: Midway Airport branch of Orange Line Context triple: [Pulaski station (CTA Orange Line), servesAirportCorridor, Midway Airport branch of Orange Line]
-
A.
Red Line Braintree Branch
The Red Line Braintree Branch is a southern extension of Boston's MBTA Red Line rapid transit system that serves communities between Quincy and Braintree.
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B.
Mitchell Airport Rail Station
Mitchell Airport Rail Station is a passenger rail station in Milwaukee, Wisconsin, serving General Mitchell International Airport and providing regional rail connections for air travelers.
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C.
Ashmont–Braintree branch of the Red Line
The Ashmont–Braintree branch of the Red Line is a major rapid transit corridor of Boston’s MBTA system, running south from downtown Boston to the suburbs of Ashmont and Braintree.
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D.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
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E.
MBTA Green Line E branch stations
MBTA Green Line E branch stations are light rail stops in Boston and nearby areas served by the E branch of the Massachusetts Bay Transportation Authority’s Green Line.
- 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: Midway Airport branch of Orange Line Target entity description: The Midway Airport branch of the Orange Line is the Chicago Transit Authority rapid transit segment that connects downtown Chicago to Midway International Airport and nearby Southwest Side neighborhoods.
-
A.
Red Line Braintree Branch
The Red Line Braintree Branch is a southern extension of Boston's MBTA Red Line rapid transit system that serves communities between Quincy and Braintree.
-
B.
Mitchell Airport Rail Station
Mitchell Airport Rail Station is a passenger rail station in Milwaukee, Wisconsin, serving General Mitchell International Airport and providing regional rail connections for air travelers.
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C.
Ashmont–Braintree branch of the Red Line
The Ashmont–Braintree branch of the Red Line is a major rapid transit corridor of Boston’s MBTA system, running south from downtown Boston to the suburbs of Ashmont and Braintree.
-
D.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
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E.
MBTA Green Line E branch stations
MBTA Green Line E branch stations are light rail stops in Boston and nearby areas served by the E branch of the Massachusetts Bay Transportation Authority’s Green Line.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago Transit Authority rail line segment
ⓘ
rapid transit line segment ⓘ |
| connects |
Midway International Airport
NERFINISHED
ⓘ
downtown Chicago ⓘ |
| connectsWith |
Blue Line (CTA)
NERFINISHED
ⓘ
Brown Line (CTA) NERFINISHED ⓘ CTA bus network NERFINISHED ⓘ Green Line (CTA) NERFINISHED ⓘ Metra commuter rail NERFINISHED ⓘ Pink Line (CTA) NERFINISHED ⓘ Red Line (CTA) NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | third rail ⓘ |
| fareSystem | Ventra ⓘ |
| hasStation |
35th/Archer station
NERFINISHED
ⓘ
Ashland station (CTA Orange Line) NERFINISHED ⓘ Clark/Lake station NERFINISHED ⓘ Halsted station (CTA Orange Line) NERFINISHED ⓘ Harold Washington Library–State/Van Buren station NERFINISHED ⓘ Kedzie station (CTA Orange Line) NERFINISHED ⓘ LaSalle/Van Buren station NERFINISHED ⓘ Midway station (CTA) NERFINISHED ⓘ Pulaski station (CTA Orange Line) NERFINISHED ⓘ Quincy station (CTA) NERFINISHED ⓘ Roosevelt station (CTA) NERFINISHED ⓘ Washington/Wells station NERFINISHED ⓘ Western station (CTA Orange Line) NERFINISHED ⓘ |
| lineColor | orange ⓘ |
| locale | Chicago, Illinois NERFINISHED ⓘ |
| modeOfTransport | rapid transit ⓘ |
| openingDate | 1993 ⓘ |
| operator | Chicago Transit Authority ⓘ |
| owner | Chicago Transit Authority ⓘ |
| partOf | Orange Line (CTA) NERFINISHED ⓘ |
| primaryFunction | airport rail link ⓘ |
| primaryUserGroup |
Southwest Side commuters
ⓘ
air travelers ⓘ |
| serves |
Chicago Loop
NERFINISHED
ⓘ
Midway International Airport NERFINISHED ⓘ Southwest Side of Chicago NERFINISHED ⓘ |
| system | Chicago 'L' NERFINISHED ⓘ |
| terminus |
Midway station (CTA)
NERFINISHED
ⓘ
The Loop (inner track) NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRollingStock |
CTA 2600-series railcars
NERFINISHED
ⓘ
CTA 3200-series railcars NERFINISHED ⓘ |
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: Midway Airport branch of Orange Line Description of subject: The Midway Airport branch of the Orange Line is the Chicago Transit Authority rapid transit segment that connects downtown Chicago to Midway International Airport and nearby Southwest Side neighborhoods.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.