One Prudential Plaza

E74425

commercial building high-rise building office building skyscraper

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.

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AI illustration

All labels observed (3)

Label	Occurrences
One Prudential Plaza canonical	6
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 ⓘ linked to: Chicago, Illinois, United States
completionDate	1955 ⓘ
coordinates	41.8844°N 87.6225°W ⓘ
country	United States ⓘ linked to: United States of America
developer	Prudential Insurance Company of America ⓘ linked to: Prudential Financial
elevatorCount	18 ⓘ
floorArea	approximately 1,200,000 sq ft ⓘ
floorCount	41 ⓘ
hasFacadeMaterial	aluminum ⓘ glass ⓘ limestone ⓘ
hasFormerName	Prudential Building ⓘ linked to: One Prudential Plaza
hasNearbyBuilding	Two Prudential Plaza ⓘ
hasParkingFacility	yes ⓘ
hasPart	antenna mast ⓘ observation deck ⓘ
hasSignificantTenant	Prudential Insurance Company of America ⓘ linked to: Prudential Financial various corporate offices ⓘ
height	183 m ⓘ 601 ft ⓘ
heritageStatus	prominent feature of Chicago skyline ⓘ
inception	1955 ⓘ
locatedInTheAdministrativeTerritorialEntity	Chicago Loop ⓘ
locatedNear	Grant Park ⓘ Michigan Avenue ⓘ linked to: North Michigan Avenue Millennium Park ⓘ
location	Chicago ⓘ linked to: City of Chicago Illinois ⓘ United States ⓘ linked to: United States of America
notableFor	first major downtown Chicago skyscraper built after the Great Depression ⓘ
openingDate	1955 ⓘ
owner	Sterling Bay ⓘ
partOf	Prudential Plaza complex ⓘ linked to: Two Prudential Plaza
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

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Loop → hasSkyscraper → One Prudential Plaza ⓘ

Two Prudential Plaza → neighboringBuilding → One Prudential Plaza ⓘ

Two Prudential Plaza → sharesPodiumWith → One Prudential Plaza ⓘ

One Prudential Plaza → hasFormerName → Prudential Building ⓘ

linked to: One Prudential Plaza

East Washington Street → hasNearbyLandmark → Prudential Plaza ⓘ

linked to: One Prudential Plaza

Chicago skyline → includesBuilding → One Prudential Plaza ⓘ

Prudential Plaza → hasPart → One Prudential Plaza ⓘ

subject linked to: Prudential Plaza, Chicago

Prudential Plaza → complexNameOf → One Prudential Plaza ⓘ