Harold Washington Library–State/Van Buren station
E118621
Harold Washington Library–State/Van Buren station is a Chicago 'L' rapid transit stop in the Loop, serving multiple CTA lines and located adjacent to the Harold Washington Library Center.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T818543 — 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: Harold Washington Library–State/Van Buren station Context triple: [Orange Line (CTA), hasStation, Harold Washington Library–State/Van Buren station]
-
A.
UIC–Halsted station
UIC–Halsted station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the University of Illinois at Chicago campus and the Near West Side neighborhood.
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B.
Haymarket Metro station
Haymarket Metro station is a key underground station on the Tyne and Wear Metro network serving central Newcastle upon Tyne.
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C.
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.
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D.
Illinois Medical District station
Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
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E.
Cermak–McCormick Place station
Cermak–McCormick Place station is a Chicago 'L' rapid transit stop on the Near South Side that provides access to the McCormick Place convention center and surrounding neighborhood.
- 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: Harold Washington Library–State/Van Buren station Target entity description: Harold Washington Library–State/Van Buren station is a Chicago 'L' rapid transit stop in the Loop, serving multiple CTA lines and located adjacent to the Harold Washington Library Center.
-
A.
UIC–Halsted station
UIC–Halsted station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the University of Illinois at Chicago campus and the Near West Side neighborhood.
-
B.
Haymarket Metro station
Haymarket Metro station is a key underground station on the Tyne and Wear Metro network serving central Newcastle upon Tyne.
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C.
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.
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D.
Illinois Medical District station
Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
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E.
Cermak–McCormick Place station
Cermak–McCormick Place station is a Chicago 'L' rapid transit stop on the Near South Side that provides access to the McCormick Place convention center and surrounding neighborhood.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago "L" station
ⓘ
railway station in the United States ⓘ rapid transit station ⓘ |
| accessible | wheelchair accessible ⓘ |
| adjacentTo | Harold Washington Library Center ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | third rail ⓘ |
| fareGatesLocation | station mezzanine ⓘ |
| fareSystem | Ventra ⓘ |
| hasAccessibility | yes ⓘ |
| hasCanopy | yes ⓘ |
| hasConnection | CTA bus services ⓘ |
| hasElevator | yes ⓘ |
| hasEscalator | yes ⓘ |
| hasLighting | platform lighting ⓘ |
| hasSignage | CTA standard signage ⓘ |
| hasStairs | yes ⓘ |
| locatedAtIntersection | State Street and Van Buren Street ⓘ |
| locatedIn |
Chicago, Illinois
ⓘ
linked to:
Chicago, Illinois, United States
Illinois ⓘ Loop, Chicago ⓘ
linked to:
Loop (Chicago)
United States ⓘ
linked to:
United States of America
|
| locatedOn |
Loop Elevated
ⓘ
linked to:
Loop elevated
|
| mapFeature | Loop elevated structure ⓘ |
| namedAfter | Harold Washington Library Center ⓘ |
| nearbyLandmark |
Harold Washington Library Center
ⓘ
Printers Row neighborhood ⓘ
linked to:
Printers Row
|
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1997 ⓘ |
| operator | Chicago Transit Authority ⓘ |
| partOf |
Chicago Transit Authority rail system
ⓘ
linked to:
CTA rail network
|
| platformType | island platform ⓘ |
| railGauge | standard gauge ⓘ |
| safetyFeatures |
CCTV surveillance
ⓘ
public address system ⓘ |
| servesArea |
Chicago Loop business district
ⓘ
linked to:
Chicago Loop
|
| servesLine |
Brown Line
ⓘ
Orange Line ⓘ Pink Line ⓘ Purple Line Express ⓘ |
| structureType | elevated station ⓘ |
| system | Chicago "L" ⓘ |
| ticketingSystem | automated fare collection ⓘ |
| zone | CTA single-fare zone ⓘ |
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: Harold Washington Library–State/Van Buren station Description of subject: Harold Washington Library–State/Van Buren station is a Chicago 'L' rapid transit stop in the Loop, serving multiple CTA lines and located adjacent to the Harold Washington Library Center.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Orange Line
Harold Washington Library Center
→
hasPublicTransitConnection
→
Harold Washington Library–State/Van Buren station
ⓘ
Jackson station (CTA Red Line)
→
connectedByPedestrianTunnelTo
→
Harold Washington Library–State/Van Buren station
ⓘ
subject linked to:
Jackson station
Jackson station (CTA Blue Line)
→
connectedByPedestrianTunnelTo
→
Harold Washington Library–State/Van Buren station
ⓘ
subject linked to:
Jackson station
linked to: Harold Washington Library–State/Van Buren station
Adams/Wabash station
→
adjacentStationOnBrownLine
→
Harold Washington Library–State/Van Buren station
ⓘ
Adams/Wabash station
→
adjacentStationOnGreenLine
→
Harold Washington Library–State/Van Buren station
ⓘ
Adams/Wabash station
→
adjacentStationOnOrangeLine
→
Harold Washington Library–State/Van Buren station
ⓘ
Adams/Wabash station
→
adjacentStationOnPinkLine
→
Harold Washington Library–State/Van Buren station
ⓘ
Adams/Wabash station
→
adjacentStationOnPurpleLineExpress
→
Harold Washington Library–State/Van Buren station
ⓘ
South Dearborn Street
→
hasPublicTransitAccess
→
Harold Washington Library–State/Van Buren station
ⓘ
Jackson (CTA Red Line station)
→
hasTransferTo
→
Harold Washington Library–State/Van Buren station
ⓘ
linked to: Harold Washington Library–State/Van Buren station
Red Line at Jackson
→
providesTransferTo
→
Pink Line at Harold Washington Library–State/Van Buren via pedway
ⓘ
linked to: Harold Washington Library–State/Van Buren station
linked to: Harold Washington Library–State/Van Buren station
Chicago Transit Authority Green Line stations
→
hasDowntownLoopStation
→
Harold Washington Library–State/Van Buren station
ⓘ
Chicago Transit Authority Green Line stations
→
hasStation
→
Harold Washington Library–State/Van Buren station
ⓘ
Midway Airport branch of Orange Line
→
hasStation
→
Harold Washington Library–State/Van Buren station
ⓘ
Chicago Transit Authority Purple Line stations
→
downtownTerminusFor
→
Harold Washington Library–State/Van Buren station (during Loop operation)
ⓘ
linked to: Harold Washington Library–State/Van Buren station