One Prudential Plaza
E74425
One Prudential Plaza is a prominent mid-20th-century office skyscraper in Chicago’s Loop, recognized for its modernist design and historic role in the city’s postwar skyline.
All labels observed (3)
| Label | Occurrences |
|---|---|
| One Prudential Plaza canonical | 4 |
| Prudential Building | 1 |
| Prudential Plaza | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T593439 — 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: One Prudential Plaza Context triple: [Loop, hasSkyscraper, One Prudential Plaza]
-
A.
Two Prudential Plaza
Two Prudential Plaza is a prominent postmodern skyscraper in Chicago, Illinois, known for its distinctive spire and role in the city’s iconic skyline.
-
B.
Stephen A. Schwarzman Building
The Stephen A. Schwarzman Building is the iconic Beaux-Arts flagship library on Fifth Avenue in Manhattan, renowned for its grand reading rooms and stone lion statues.
-
C.
Bank of America Plaza
Bank of America Plaza is a landmark Dallas skyscraper known for its distinctive green argon-outline lighting and status as one of the city's tallest and most recognizable buildings.
-
D.
Lever House
Lever House is a pioneering International Style glass-and-steel office skyscraper on New York City’s Park Avenue, celebrated as one of the first curtain-wall towers in the United States.
-
E.
40 Wall Street
40 Wall Street is a historic neo-Gothic skyscraper in New York City's Financial District, once one of the tallest buildings in the world and later owned and branded by the Trump Organization.
- 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: One Prudential Plaza Target entity description: One Prudential Plaza is a prominent mid-20th-century office skyscraper in Chicago’s Loop, recognized for its modernist design and historic role in the city’s postwar skyline.
-
A.
Two Prudential Plaza
Two Prudential Plaza is a prominent postmodern skyscraper in Chicago, Illinois, known for its distinctive spire and role in the city’s iconic skyline.
-
B.
Stephen A. Schwarzman Building
The Stephen A. Schwarzman Building is the iconic Beaux-Arts flagship library on Fifth Avenue in Manhattan, renowned for its grand reading rooms and stone lion statues.
-
C.
Bank of America Plaza
Bank of America Plaza is a landmark Dallas skyscraper known for its distinctive green argon-outline lighting and status as one of the city's tallest and most recognizable buildings.
-
D.
Lever House
Lever House is a pioneering International Style glass-and-steel office skyscraper on New York City’s Park Avenue, celebrated as one of the first curtain-wall towers in the United States.
-
E.
40 Wall Street
40 Wall Street is a historic neo-Gothic skyscraper in New York City's Financial District, once one of the tallest buildings in the world and later owned and branded by the Trump Organization.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
commercial building
ⓘ
high-rise building ⓘ office building ⓘ skyscraper ⓘ |
| address | 130 East Randolph Street ⓘ |
| architecturalStyle |
International Style
ⓘ
Modernist architecture ⓘ |
| category |
Office buildings completed in 1955
ⓘ
Skyscrapers in Chicago ⓘ |
| city |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago
|
| completionDate | 1955 ⓘ |
| coordinates | 41.8844°N 87.6225°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| developer |
Prudential Financial
ⓘ
surface form:
Prudential Insurance Company of America
|
| elevatorCount | 18 ⓘ |
| floorArea | approximately 1,200,000 sq ft ⓘ |
| floorCount | 41 ⓘ |
| hasFacadeMaterial |
aluminum
ⓘ
glass ⓘ limestone ⓘ |
| hasFormerName |
One Prudential Plaza
self-linksurface differs
ⓘ
surface form:
Prudential Building
|
| hasNearbyBuilding | Two Prudential Plaza ⓘ |
| hasParkingFacility | yes ⓘ |
| hasPart |
antenna mast
ⓘ
observation deck ⓘ |
| hasSignificantTenant |
Prudential Financial
ⓘ
surface form:
Prudential Insurance Company of America
various corporate offices ⓘ |
| height |
183 m
ⓘ
601 ft ⓘ |
| heritageStatus | prominent feature of Chicago skyline ⓘ |
| inception | 1955 ⓘ |
| locatedInTheAdministrativeTerritorialEntity | Chicago Loop ⓘ |
| locatedNear |
Grant Park
ⓘ
North Michigan Avenue ⓘ
surface form:
Michigan Avenue
Millennium Park ⓘ |
| location |
City of Chicago
ⓘ
surface form:
Chicago
Illinois ⓘ United States of America ⓘ
surface form:
United States
|
| notableFor | first major downtown Chicago skyscraper built after the Great Depression ⓘ |
| openingDate | 1955 ⓘ |
| owner | Sterling Bay ⓘ |
| partOf |
Two Prudential Plaza
ⓘ
surface form:
Prudential Plaza complex
|
| region | Midwestern United States ⓘ |
| roofMaterial | steel ⓘ |
| significantProject | postwar Chicago skyline redevelopment ⓘ |
| structuralSystem | steel frame ⓘ |
| timePeriod | mid-20th century ⓘ |
| use |
office
ⓘ
retail ⓘ |
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: One Prudential Plaza Description of subject: One Prudential Plaza is a prominent mid-20th-century office skyscraper in Chicago’s Loop, recognized for its modernist design and historic role in the city’s postwar skyline.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Prudential Building
this entity surface form:
Prudential Plaza