Jackson station (Red Line)
E422013
Jackson station (Red Line) is a Chicago 'L' subway station in the Loop that serves the Red Line and provides connections to multiple other CTA rail lines via underground pedestrian tunnels.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jackson station (Red Line) canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4233836 — 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: Jackson station (Red Line) Context triple: [Jackson station (Blue Line), hasTransferTo, Jackson station (Red Line)]
-
A.
Jackson station (Blue Line)
Jackson station (Blue Line) is an underground Chicago Transit Authority rapid transit stop in the Loop that serves the Blue Line trains running through downtown Chicago.
-
B.
Washington Street station
Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
-
C.
Grand station (Red Line)
Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
-
D.
Cleveland Circle station
Cleveland Circle station is a light rail stop on the MBTA Green Line's C branch located in the Brighton neighborhood of Boston, Massachusetts.
-
E.
Savin Hill station
Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
- 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: Jackson station (Red Line) Target entity description: Jackson station (Red Line) is a Chicago 'L' subway station in the Loop that serves the Red Line and provides connections to multiple other CTA rail lines via underground pedestrian tunnels.
-
A.
Jackson station (Blue Line)
Jackson station (Blue Line) is an underground Chicago Transit Authority rapid transit stop in the Loop that serves the Blue Line trains running through downtown Chicago.
-
B.
Washington Street station
Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
-
C.
Grand station (Red Line)
Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
-
D.
Cleveland Circle station
Cleveland Circle station is a light rail stop on the MBTA Green Line's C branch located in the Brighton neighborhood of Boston, Massachusetts.
-
E.
Savin Hill station
Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago 'L' station
ⓘ
rapid transit station ⓘ subway station ⓘ |
| connectedBy | underground pedestrian tunnels ⓘ |
| fareControlType | turnstiles ⓘ |
| fareSystem | Ventra ⓘ |
| fareZone | single CTA fare zone ⓘ |
| hasAccessibility | elevators (ADA accessibility may vary by entrance) ⓘ |
| hasAdjacentStation |
Harrison station (Red Line)
ONNED1
ⓘ
Monroe station (Red Line) NERFINISHED ⓘ |
| hasConnection |
Adams/Wabash station
ONNED1
ⓘ
Harold Washington Library–State/Van Buren station ONNED1 ⓘ Jackson station (Blue Line) ONNED1 ⓘ LaSalle/Van Buren station NERFINISHED ⓘ Library-State/Van Buren station ONNED1 ⓘ Monroe station (Blue Line) NERFINISHED ⓘ Monroe station (Red Line) ONNED1 ⓘ Washington/Wabash station NERFINISHED ⓘ |
| hasEntranceNear |
Jackson Boulevard
NERFINISHED
ⓘ
Van Buren Street NERFINISHED ⓘ |
| hasEntranceOn | State Street ONNED1 ⓘ |
| hasFeature |
CCTV surveillance
ⓘ
electronic signage ⓘ escalators ⓘ mezzanine level ⓘ stairways ⓘ ventilation shafts ⓘ |
| hasLighting | fluorescent lighting ⓘ |
| hasMapDisplay | system maps ⓘ |
| hasPlatformType | island platform ⓘ |
| hasSecurity | CTA personnel ⓘ |
| hasService | 24-hour Red Line service ⓘ |
| hasTicketing | automated vending machines ⓘ |
| isPartOfNetwork | CTA rail system ONNED1 ⓘ |
| locatedInAdministrativeTerritorialEntity |
Chicago
ⓘ
Illinois NERFINISHED ⓘ |
| locatedInCountry | United States of America ⓘ |
| locatedInNeighborhood | Loop, Chicago ONNED1 ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| locatedInTransportSystem | Chicago 'L' ONNED1 ⓘ |
| locatedUndergroundBelow | State Street NERFINISHED ⓘ |
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Chicago Transit Authority ⓘ |
| partOf | State Street subway ONNED1 ⓘ |
| railwayLineServed | Red Line (CTA) NERFINISHED ⓘ |
| servedBy | CTA bus routes (nearby stops) ⓘ |
| structureType | underground station ⓘ |
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: Jackson station (Red Line) Description of subject: Jackson station (Red Line) is a Chicago 'L' subway station in the Loop that serves the Red Line and provides connections to multiple other CTA rail lines via underground pedestrian tunnels.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.