Red Line (St. Louis MetroLink)
E858539
The Red Line is one of the primary light rail routes in the St. Louis MetroLink system, running between Lambert–St. Louis International Airport and Shiloh-Scott in Illinois and serving many of the region’s key destinations.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Red Line (St. Louis MetroLink) canonical | 1 |
| St. Louis MetroLink Red Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10357871 — 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: Red Line (St. Louis MetroLink) Context triple: [Blue Line (St. Louis MetroLink), sharesTracksWith, Red Line (St. Louis MetroLink)]
-
A.
Blue Line (St. Louis MetroLink)
The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
-
B.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
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C.
Metro Red Line
The Metro Red Line was the original heavy-rail subway corridor in Los Angeles that later became the basis for the current D Line service.
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D.
RTA Red Line
The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
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E.
The Red Line
The Red Line is an American television drama miniseries that follows the intersecting lives of three Chicago families after a white police officer shoots an unarmed Black doctor, and is known for starring Noah Wyle.
- 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: Red Line (St. Louis MetroLink) Target entity description: The Red Line is one of the primary light rail routes in the St. Louis MetroLink system, running between Lambert–St. Louis International Airport and Shiloh-Scott in Illinois and serving many of the region’s key destinations.
-
A.
Blue Line (St. Louis MetroLink)
The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
-
B.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
-
C.
Metro Red Line
The Metro Red Line was the original heavy-rail subway corridor in Los Angeles that later became the basis for the current D Line service.
-
D.
RTA Red Line
The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
-
E.
The Red Line
The Red Line is an American television drama miniseries that follows the intersecting lives of three Chicago families after a white police officer shoots an unarmed Black doctor, and is known for starring Noah Wyle.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transit route ⓘ |
| colorOnSystemMap | red ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead catenary ⓘ |
| endStation | Shiloh–Scott station NERFINISHED ⓘ |
| hasStation |
5th & Missouri station
NERFINISHED
ⓘ
8th & Pine station NERFINISHED ⓘ Belleville station NERFINISHED ⓘ Central West End station NERFINISHED ⓘ Civic Center station NERFINISHED ⓘ College station NERFINISHED ⓘ Delmar Loop station NERFINISHED ⓘ East Riverfront station NERFINISHED ⓘ Emerson Park station NERFINISHED ⓘ Fairview Heights station NERFINISHED ⓘ Forest Park–DeBaliviere station NERFINISHED ⓘ Lambert Airport Terminal 1 station NERFINISHED ⓘ Lambert Airport Terminal 2 station NERFINISHED ⓘ Memorial Hospital station NERFINISHED ⓘ North Hanley station NERFINISHED ⓘ Rock Road station NERFINISHED ⓘ Shiloh–Scott station NERFINISHED ⓘ Swansea station NERFINISHED ⓘ UMSL North station NERFINISHED ⓘ UMSL South station NERFINISHED ⓘ Washington Park station NERFINISHED ⓘ Wellston station NERFINISHED ⓘ |
| locatedIn |
Greater St. Louis
NERFINISHED
ⓘ
Illinois ⓘ Missouri ⓘ |
| mode | light rail ⓘ |
| opened | 1993 ⓘ |
| operator |
Bi-State Development Agency
NERFINISHED
ⓘ
Metro Transit (St. Louis) NERFINISHED ⓘ |
| partOf |
Bi-State Development transit system
NERFINISHED
ⓘ
MetroLink NERFINISHED ⓘ |
| serves |
Central West End neighborhood
NERFINISHED
ⓘ
Downtown St. Louis NERFINISHED ⓘ Lambert–St. Louis International Airport NERFINISHED ⓘ Scott Air Force Base NERFINISHED ⓘ St. Clair County, Illinois NERFINISHED ⓘ University of Missouri–St. Louis NERFINISHED ⓘ |
| sharesTracksWith | Blue Line (St. Louis MetroLink) NERFINISHED ⓘ |
| startStation | Lambert Airport Terminal 1 station NERFINISHED ⓘ |
| system | St. Louis MetroLink NERFINISHED ⓘ |
| terminus |
Lambert–St. Louis International Airport Terminal 1 station
NERFINISHED
ⓘ
Shiloh–Scott station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
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: Red Line (St. Louis MetroLink) Description of subject: The Red Line is one of the primary light rail routes in the St. Louis MetroLink system, running between Lambert–St. Louis International Airport and Shiloh-Scott in Illinois and serving many of the region’s key destinations.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blue Line (St. Louis MetroLink)
this entity surface form:
St. Louis MetroLink Red Line