Monroe (CTA Red Line station)
E1042499
Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Monroe (CTA Red Line station) canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T13441393 — 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: Monroe (CTA Red Line station) Context triple: [Lake, adjacentStationSouth, Monroe (CTA Red Line station)]
-
A.
Howard station (CTA Red Line)
Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
-
B.
Jackson (CTA Red Line station)
Jackson is a major Chicago Transit Authority Red Line subway station located in downtown Chicago’s Loop, serving as a key transfer point within the city’s rapid transit system.
-
C.
Pulaski station (CTA Orange Line)
Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
-
D.
Chicago Avenue station (CTA Red Line)
Chicago Avenue station (CTA Red Line) is an underground Chicago Transit Authority rapid transit stop on the Red Line serving the Near North Side area, including the Magnificent Mile.
-
E.
Chicago (Brown Line) station
Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
- 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: Monroe (CTA Red Line station) Target entity description: Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
-
A.
Howard station (CTA Red Line)
Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
-
B.
Jackson (CTA Red Line station)
Jackson is a major Chicago Transit Authority Red Line subway station located in downtown Chicago’s Loop, serving as a key transfer point within the city’s rapid transit system.
-
C.
Pulaski station (CTA Orange Line)
Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
-
D.
Chicago Avenue station (CTA Red Line)
Chicago Avenue station (CTA Red Line) is an underground Chicago Transit Authority rapid transit stop on the Red Line serving the Near North Side area, including the Magnificent Mile.
-
E.
Chicago (Brown Line) station
Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago "L" station
ⓘ
rapid transit station ⓘ underground railway station ⓘ |
| category |
Railway stations in Chicago
ⓘ
Red Line (CTA) stations ⓘ Underground railway stations in Illinois ⓘ |
| connectsTo | pedestrian entrances on State Street ⓘ |
| depth | underground ⓘ |
| electrification | third rail ⓘ |
| fareControlLocation | mezzanine level ⓘ |
| faregatesType | turnstiles ⓘ |
| fareSystem |
Chicago Card (historical)
ⓘ
linked to:
Chicago Card
Ventra ⓘ magnetic stripe farecard (historical) ⓘ |
| fareZoneSystem | flat fare ⓘ |
| hasAccessibility | not fully accessible ⓘ |
| hasAdjacentStation |
Jackson (CTA Red Line station)
ⓘ
Lake (CTA Red Line station) ⓘ |
| hasBicycleFacilities | no dedicated bicycle parking ⓘ |
| hasConnection | CTA bus ⓘ |
| hasEmergencyEquipment |
emergency intercoms
ⓘ
fire extinguishers ⓘ |
| hasFeature |
escalators
ⓘ
stairs ⓘ ticket vending machines ⓘ underground platforms ⓘ |
| hasLighting | fluorescent lighting ⓘ |
| hasSecurity | CCTV surveillance ⓘ |
| hasSignage | CTA standard signage ⓘ |
| locatedIn |
Chicago
ⓘ
linked to:
Chicago, Illinois, United States
Illinois ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInNeighborhood |
Loop, Chicago
ⓘ
linked to:
Loop (Chicago)
|
| locatedUnder |
State Street, Chicago
ⓘ
linked to:
State Street (in downtown Chicago)
|
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Chicago Transit Authority ⓘ |
| ownedBy | Chicago Transit Authority ⓘ |
| partOfLine |
Red Line (CTA)
ⓘ
linked to:
Red Line (Chicago "L")
|
| platformType | island platform ⓘ |
| safetySystem | automatic train control on Red Line ⓘ |
| servedBy |
Red Line (CTA)
ⓘ
linked to:
Red Line (Chicago "L")
|
| servesArea | Chicago Loop ⓘ |
| servesMode | heavy rail ⓘ |
| structureType | subway ⓘ |
| ticketingSystem | proof-of-payment at turnstiles ⓘ |
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: Monroe (CTA Red Line station) Description of subject: Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.