Aon Center

E78587

modernist building office building skyscraper

Aon Center is a prominent modernist skyscraper in Chicago known for its sleek, minimalist design and status as one of the city's tallest office buildings.

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All labels observed (3)

Label	Occurrences
Aon Center canonical	8
Aon Center (Chicago)	1
Aon Center (formerly United California Bank Building)	1

How this entity was disambiguated

This entity first appeared as the object of triple T593437 — 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: Aon Center
Context triple: [Loop, hasSkyscraper, Aon Center]

A. Water Tower Place
Water Tower Place is a major mixed-use skyscraper and shopping complex in Chicago, known for its prominent location along the city’s Magnificent Mile.
B. John Hancock Center
The John Hancock Center is a prominent 100-story skyscraper in Chicago known for its distinctive tapered design, X-braced exterior, and observation deck overlooking Lake Michigan.
C. Willis Tower
Willis Tower is a 110-story skyscraper in downtown Chicago that was once the tallest building in the world and remains an iconic feature of the city's skyline.
D. Wrigley Building
The Wrigley Building is a historic, white terra-cotta skyscraper in Chicago renowned for its clock tower and prominent position at the gateway to the Magnificent Mile.
E. Marquette Building
The Marquette Building is a landmark early Chicago School skyscraper in downtown Chicago, celebrated for its steel-frame construction and richly ornamented terra-cotta and mosaic detailing.
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: Aon Center
Target entity description: Aon Center is a prominent modernist skyscraper in Chicago known for its sleek, minimalist design and status as one of the city's tallest office buildings.

A. Water Tower Place
Water Tower Place is a major mixed-use skyscraper and shopping complex in Chicago, known for its prominent location along the city’s Magnificent Mile.
B. John Hancock Center
The John Hancock Center is a prominent 100-story skyscraper in Chicago known for its distinctive tapered design, X-braced exterior, and observation deck overlooking Lake Michigan.
C. Willis Tower
Willis Tower is a 110-story skyscraper in downtown Chicago that was once the tallest building in the world and remains an iconic feature of the city's skyline.
D. Wrigley Building
The Wrigley Building is a historic, white terra-cotta skyscraper in Chicago renowned for its clock tower and prominent position at the gateway to the Magnificent Mile.
E. Marquette Building
The Marquette Building is a landmark early Chicago School skyscraper in downtown Chicago, celebrated for its steel-frame construction and richly ornamented terra-cotta and mosaic detailing.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	modernist building ⓘ office building ⓘ skyscraper ⓘ
address	200 East Randolph Street ⓘ
architect	Edward Durell Stone ⓘ The Perkins and Will partnership ⓘ surface form: Perkins and Will
architecturalStyle	Modernism ⓘ
buildingType	commercial ⓘ
city	Chicago, Illinois, United States ⓘ surface form: Chicago
constructionStartYear	1970 ⓘ
country	United States of America ⓘ surface form: United States
currentFacadeMaterial	white granite ⓘ
developer	Standard Oil Company of Indiana ⓘ
elevatorCount	50+ ⓘ
floorArea	approximately 3,600,000 sq ft ⓘ
floorCount	83 ⓘ
formerName	Amoco Building ⓘ Standard Oil Building, New York City ⓘ surface form: Standard Oil Building
function	corporate offices ⓘ
hasFeature	minimalist exterior detailing ⓘ rectangular plan ⓘ vertical window strips ⓘ
hasObservationDeck	no public observation deck ⓘ
hasTenant	Aon Corporation ⓘ surface form: Aon plc professional services firms ⓘ various financial firms ⓘ
height	1136 ft ⓘ 346 m ⓘ
isLocatedNear	Grant Park ⓘ Millennium Park ⓘ
isPartOf	Chicago skyline ⓘ
location	City of Chicago ⓘ surface form: Chicago Illinois ⓘ United States of America ⓘ surface form: United States
management	Jones Lang LaSalle ⓘ
material	glass ⓘ steel ⓘ
namedAfter	Aon Corporation ⓘ
neighborhood	Loop ⓘ
notableFor	prominent position in Chicago skyline ⓘ sleek minimalist design ⓘ white vertical facade ⓘ
originalFacadeMaterial	Carrara marble ⓘ
owner	601W Companies ⓘ
primaryUse	office ⓘ
rankingInChicagoByHeight	third tallest building ⓘ
roofHeight	346 m ⓘ
status	completed ⓘ
yearCompleted	1973 ⓘ

How these facts were elicited

Referenced by (10)

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

Loop → hasSkyscraper → Aon Center ⓘ

Chicago Loop → contains → Aon Center ⓘ

Aon Corporation → notableBuildingNamingRights → Aon Center ⓘ

this entity surface form: Aon Center (Chicago)

Charles Luckman Associates → notableWork → Aon Center ⓘ

this entity surface form: Aon Center (formerly United California Bank Building)

East Washington Street → hasNearbyLandmark → Aon Center ⓘ

Downtown Chicago area → hasLandmark → Aon Center ⓘ

subject surface form: Downtown Chicago

Randolph Street → hasNearbyAttraction → Aon Center ⓘ

Chicago skyline → includesBuilding → Aon Center ⓘ

Amoco Building → currentName → Aon Center ⓘ

Amoco Building → alsoKnownAs → Aon Center ⓘ

All labels observed (3)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (10)

How this entity was disambiguated

How these facts were elicited