Harold Washington Library Center
E75764
The Harold Washington Library Center is Chicago’s central public library and one of the largest public library buildings in the world, known for its prominent postmodern architecture.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T593385 — 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 Center Context triple: [Loop, hasLandmark, Harold Washington Library Center]
-
A.
Richard J. Daley Center
The Richard J. Daley Center is a prominent civic skyscraper and courthouse in downtown Chicago, known for housing major Cook County courtrooms and government offices as well as its iconic Picasso sculpture in the adjoining plaza.
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B.
DuSable Black History Museum and Education Center
The DuSable Black History Museum and Education Center is a major cultural institution in Chicago dedicated to preserving, interpreting, and celebrating the history, art, and achievements of people of African descent.
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C.
Chicago Cultural Center
The Chicago Cultural Center is a landmark arts and civic building in downtown Chicago known for its free public cultural programming and stunning stained-glass domes.
-
D.
Cook County Building
The Cook County Building is a major government office structure in downtown Chicago that houses key administrative functions of Cook County.
-
E.
Chicago City Hall
Chicago City Hall is the central municipal government building of Chicago, housing key city offices and serving as the primary location for official civic administration and proceedings.
- 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 Center Target entity description: The Harold Washington Library Center is Chicago’s central public library and one of the largest public library buildings in the world, known for its prominent postmodern architecture.
-
A.
Richard J. Daley Center
The Richard J. Daley Center is a prominent civic skyscraper and courthouse in downtown Chicago, known for housing major Cook County courtrooms and government offices as well as its iconic Picasso sculpture in the adjoining plaza.
-
B.
DuSable Black History Museum and Education Center
The DuSable Black History Museum and Education Center is a major cultural institution in Chicago dedicated to preserving, interpreting, and celebrating the history, art, and achievements of people of African descent.
-
C.
Chicago Cultural Center
The Chicago Cultural Center is a landmark arts and civic building in downtown Chicago known for its free public cultural programming and stunning stained-glass domes.
-
D.
Cook County Building
The Cook County Building is a major government office structure in downtown Chicago that houses key administrative functions of Cook County.
-
E.
Chicago City Hall
Chicago City Hall is the central municipal government building of Chicago, housing key city offices and serving as the primary location for official civic administration and proceedings.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago Public Library branch
ⓘ
central library ⓘ public library building ⓘ |
| architect | Thomas Beeby ⓘ |
| architecturalFirm | Hammond Beeby and Babka ⓘ |
| architecturalStyle | postmodern architecture ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| exteriorMaterial |
granite
ⓘ
red brick ⓘ |
| floorArea | approximately 756000 square feet ⓘ |
| hasBasement | yes ⓘ |
| hasCollectionSize | millions of volumes ⓘ |
| hasDeweyDecimalClassification | 027.477311 ⓘ |
| hasFacility |
Harold Washington Library Center
self-linksurface differs
ⓘ
surface form:
Harold Washington Library Center Maker Lab
Winter Garden ⓘ auditorium ⓘ business and technology department ⓘ children’s library ⓘ exhibition spaces ⓘ music library ⓘ special collections ⓘ |
| hasLibraryOfCongressClassification | Z733.C532 ⓘ |
| hasPublicTransitConnection | Harold Washington Library–State/Van Buren station ⓘ |
| hasUse |
circulating library
ⓘ
event venue ⓘ research library ⓘ |
| hasWebsite | https://www.chipublib.org/locations/34/ ⓘ |
| height | approximately 125 feet ⓘ |
| inception | 1991 ⓘ |
| isOneOfLargest | public library buildings in the world ⓘ |
| locatedInAdministrativeTerritorialEntity | Illinois ⓘ |
| locatedInCity |
City of Chicago
ⓘ
surface form:
Chicago
|
| locatedInNeighborhood | Loop ⓘ |
| name | Harold Washington Library Center self-link ⓘ |
| namedAfter | Harold Washington ⓘ |
| nearbyTransitLine |
Chicago "L"
ⓘ
surface form:
Chicago 'L' Loop
|
| numberOfFloors | 10 ⓘ |
| officialOpeningDate | 1991-10-07 ⓘ |
| operatedBy | Chicago Public Library ⓘ |
| ownedBy | City of Chicago ⓘ |
| partOf |
Chicago Public Library
ⓘ
surface form:
Chicago Public Library system
Chicago Department of Cultural Affairs and Special Events ⓘ
surface form:
City of Chicago Department of Cultural Affairs and Special Events programs (via partnerships)
|
| postalCode | 60605 ⓘ |
| publicAccess | yes ⓘ |
| roofDecoration | large acroteria with owls and foliage ⓘ |
| streetAddress | 400 S. State Street ⓘ |
| yearCompleted | 1991 ⓘ |
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 Center Description of subject: The Harold Washington Library Center is Chicago’s central public library and one of the largest public library buildings in the world, known for its prominent postmodern architecture.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Harold Washington Library–State/Van Buren
this entity surface form:
Harold Washington Library Center competition scheme (unbuilt)
this entity surface form:
Harold Washington Library–State/Van Buren
Harold Washington Library Center
→
hasFacility
→
Harold Washington Library Center
self-linksurface differs
ⓘ
this entity surface form:
Harold Washington Library Center Maker Lab
this entity surface form:
Harold Washington Library–State/Van Buren
this entity surface form:
Harold Washington Library–State/Van Buren
Harold Washington Library–State/Van Buren station
→
nearbyLandmark
→
Harold Washington Library Center
ⓘ
subject surface form:
State Street (Chicago)
subject surface form:
State Street (Chicago)
subject surface form:
Winter Garden (Harold Washington Library Center)