Harlem/Lake station
E171060
Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Harlem/Lake station canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T797674 — 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: Harlem/Lake station Context triple: [Green Line (CTA), hasTerminus, Harlem/Lake station]
-
A.
Harlem (O'Hare branch) station
Harlem (O'Hare branch) station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side near the Kennedy Expressway.
-
B.
Harlem (Forest Park branch) station
Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
-
C.
Clark/Lake station
Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
-
D.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
-
E.
LaSalle/Van Buren station
LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
- 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: Harlem/Lake station Target entity description: Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
-
A.
Harlem (O'Hare branch) station
Harlem (O'Hare branch) station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side near the Kennedy Expressway.
-
B.
Harlem (Forest Park branch) station
Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
-
C.
Clark/Lake station
Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
-
D.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
-
E.
LaSalle/Van Buren station
LaSalle/Van Buren station is a Chicago 'L' rapid transit stop in the Loop that serves multiple lines and connects to the nearby LaSalle Street commuter rail station.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago 'L' station
ⓘ
rapid transit station ⓘ |
| adjacentTo |
Harlem Avenue
ⓘ
Lake Street ⓘ |
| connectsTo |
CTA bus services
ⓘ
linked to:
CTA buses
Pace bus services ⓘ |
| fareSystem | Ventra ⓘ |
| fareZone | CTA system flat fare ⓘ |
| hasAccessibility | accessible for people with disabilities ⓘ |
| hasBicycleFacilities | bicycle racks ⓘ |
| hasCategory |
Chicago Transit Authority Green Line stations
ⓘ
Oak Park, Illinois NERFINISHED ⓘ Railway stations in Cook County, Illinois ⓘ |
| hasElectrification | third rail ⓘ |
| hasParking | park-and-ride facilities nearby ⓘ |
| hasPlatformType | island platform ⓘ |
| hasStructureType | elevated station ⓘ |
| hasTicketing | automated fare collection ⓘ |
| isTerminusOf |
Green Line (CTA)
ⓘ
linked to:
CTA Green Line
|
| locatedIn |
Cook County, Illinois
ⓘ
Illinois ⓘ Oak Park, Illinois NERFINISHED ⓘ United States ⓘ
linked to:
United States of America
|
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| operatedBy | Chicago Transit Authority ⓘ |
| ownedBy | Chicago Transit Authority ⓘ |
| partOfNetwork |
Chicago 'L'
ⓘ
linked to:
Chicago "L"
|
| positionOnLine | western terminal of the Green Line (CTA) ⓘ |
| servedByLine |
Green Line (CTA)
ⓘ
linked to:
CTA Green Line
|
| servesCommunity |
Oak Park, Illinois
NERFINISHED
ⓘ
western suburbs of Chicago ⓘ |
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: Harlem/Lake station Description of subject: Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.