Washington (Blue)
E410145
Washington (Blue) is a former Chicago Transit Authority subway station on the Blue Line that once served downtown Chicago beneath Dearborn Street.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Washington (Blue) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4084324 — 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: Washington (Blue) Context triple: [Washington station (CTA Blue Line), hasStationCode, Washington (Blue)]
-
A.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
B.
DC.
DC. is the standard botanical author abbreviation for Augustin Pyramus de Candolle, a prominent Swiss botanist known for his influential work in plant taxonomy.
-
C.
Strasburg
Strasburg is a surname most prominently associated with Stephen Strasburg, an American former Major League Baseball pitcher known for his time with the Washington Nationals.
-
D.
Strasburg
Strasburg is the former name of the city now known as Lee's Summit in Missouri, a suburban community in the Kansas City metropolitan area.
-
E.
Bethesda, Maryland
Bethesda, Maryland is a suburban community just northwest of Washington, D.C., known for its major medical and research institutions, affluent residential areas, and vibrant downtown.
- 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: Washington (Blue) Target entity description: Washington (Blue) is a former Chicago Transit Authority subway station on the Blue Line that once served downtown Chicago beneath Dearborn Street.
-
A.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
B.
DC.
DC. is the standard botanical author abbreviation for Augustin Pyramus de Candolle, a prominent Swiss botanist known for his influential work in plant taxonomy.
-
C.
Strasburg
Strasburg is a surname most prominently associated with Stephen Strasburg, an American former Major League Baseball pitcher known for his time with the Washington Nationals.
-
D.
Strasburg
Strasburg is the former name of the city now known as Lee's Summit in Missouri, a suburban community in the Kansas City metropolitan area.
-
E.
Bethesda, Maryland
Bethesda, Maryland is a suburban community just northwest of Washington, D.C., known for its major medical and research institutions, affluent residential areas, and vibrant downtown.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
former Chicago Transit Authority station
ⓘ
rapid transit station ⓘ |
| access | stairs from street level on Dearborn Street ⓘ |
| adjacentStation |
Purple Line at Clark/Lake
ⓘ
surface form:
Clark/Lake (Blue Line)
Monroe (Blue Line) ⓘ |
| city |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago
|
| closureDate | October 23, 2006 ⓘ |
| closureReason | construction of Washington/Monroe superstation project ⓘ |
| connectedTo |
Lake (Red Line) via pedestrian tunnel
ⓘ
Chicago Pedway system ⓘ
surface form:
Pedway system (Chicago)
Washington (Red Line) via pedestrian tunnel ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Cook County, Illinois
ⓘ
surface form:
Cook County
|
| downtownLoopRelation | within Chicago Loop area ⓘ |
| electrification | third rail ⓘ |
| fareCollection | turnstiles at mezzanine level ⓘ |
| fareControl | part of Dearborn Street subway ⓘ |
| fareSystem | Chicago "L" ⓘ |
| fareZone | Central business district ⓘ |
| hasFormerService | CTA Blue Line trains ⓘ |
| lineColor | Blue ⓘ |
| location |
Chicago
ⓘ
surface form:
Chicago, Illinois
Dearborn Street NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| numberOfTracks | 2 ⓘ |
| openingDate | February 25, 1951 ⓘ |
| operator | Chicago Transit Authority ⓘ |
| ownedBy | Chicago Transit Authority ⓘ |
| partOf | Dearborn Street subway ⓘ |
| partOfNetwork |
Chicago "L"
ⓘ
surface form:
Chicago "L" rapid transit system
|
| platformConfiguration | island platform ⓘ |
| platformLocation | beneath Dearborn Street ⓘ |
| railwayLine |
CTA Blue Line
ⓘ
surface form:
Blue Line (CTA)
|
| servedArea |
Downtown Chicago area
ⓘ
surface form:
Downtown Chicago
|
| servedBy |
Forest Park branch of the Blue Line
ⓘ
O'Hare branch of the Blue Line ⓘ |
| servedLandmark |
Chicago Loop
ⓘ
Daley Center area ⓘ |
| servedPurpose | local passenger service ⓘ |
| servicePattern | all-stop station on Blue Line ⓘ |
| status |
closed
ⓘ
no longer in revenue service ⓘ |
| structureType | subway station ⓘ |
| trackGauge | standard gauge ⓘ |
| tunnelType | bored subway tunnel ⓘ |
| underground | true ⓘ |
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: Washington (Blue) Description of subject: Washington (Blue) is a former Chicago Transit Authority subway station on the Blue Line that once served downtown Chicago beneath Dearborn Street.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Washington station (CTA Blue Line)