U.S. Steel Tower, Pittsburgh

E288664

high-rise building landmark office building skyscraper

The U.S. Steel Tower in Pittsburgh is a prominent steel-framed skyscraper and city landmark known for its distinctive triangular footprint and role as a major office hub.

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All labels observed (4)

Label	Occurrences
U.S. Steel Building	3
U.S. Steel Tower	2
U.S. Steel Tower, Pittsburgh canonical	1
US Steel Tower	1

How this entity was disambiguated

This entity first appeared as the object of triple T2687128 — 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: U.S. Steel Tower, Pittsburgh
Context triple: [Leslie E. Robertson, designed, U.S. Steel Tower, Pittsburgh]

A. U.S. Bank Tower
U.S. Bank Tower is a prominent skyscraper in Los Angeles known for its distinctive silhouette and status as one of the tallest buildings on the West Coast of the United States.
B. Starrett-Lehigh Building
The Starrett-Lehigh Building is a massive, historic industrial and office complex in Manhattan known for its distinctive horizontal bands of windows and status as a prominent architectural landmark.
C. Metropolitan Life Insurance Company Tower
The Metropolitan Life Insurance Company Tower is a historic early 20th-century skyscraper in Manhattan, modeled after the Campanile in Venice and once the tallest building in the world.
D. Wainwright Building
The Wainwright Building is a pioneering early skyscraper in St. Louis, Missouri, celebrated as a landmark of the Chicago School and modern architectural design.
E. U.S. Steel Yard
U.S. Steel Yard is a minor league baseball stadium in Gary, Indiana, primarily known as the home field of the Gary SouthShore RailCats.
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: U.S. Steel Tower, Pittsburgh
Target entity description: The U.S. Steel Tower in Pittsburgh is a prominent steel-framed skyscraper and city landmark known for its distinctive triangular footprint and role as a major office hub.

A. U.S. Bank Tower
U.S. Bank Tower is a prominent skyscraper in Los Angeles known for its distinctive silhouette and status as one of the tallest buildings on the West Coast of the United States.
B. Starrett-Lehigh Building
The Starrett-Lehigh Building is a massive, historic industrial and office complex in Manhattan known for its distinctive horizontal bands of windows and status as a prominent architectural landmark.
C. Metropolitan Life Insurance Company Tower
The Metropolitan Life Insurance Company Tower is a historic early 20th-century skyscraper in Manhattan, modeled after the Campanile in Venice and once the tallest building in the world.
D. Wainwright Building
The Wainwright Building is a pioneering early skyscraper in St. Louis, Missouri, celebrated as a landmark of the Chicago School and modern architectural design.
E. U.S. Steel Yard
U.S. Steel Yard is a minor league baseball stadium in Gary, Indiana, primarily known as the home field of the Gary SouthShore RailCats.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	high-rise building ⓘ landmark ⓘ office building ⓘ skyscraper ⓘ
alsoKnownAs	U.S. Steel Building ⓘ linked to: U.S. Steel Tower, Pittsburgh US Steel Tower ⓘ linked to: U.S. Steel Tower, Pittsburgh
architect	Harrison & Abramovitz ⓘ Harrison, Abramovitz & Abbe ⓘ
architecturalStyle	Modernist architecture ⓘ
citySkylineRole	dominant feature of Pittsburgh skyline ⓘ
constructionStartDate	1967 ⓘ
continent	North America ⓘ
country	United States ⓘ linked to: United States of America
developer	United States Steel Corporation ⓘ
engineer	Structural engineering firms associated with Harrison & Abramovitz ⓘ
floorArea	approximately 2,300,000 square feet ⓘ
floorCount	64 ⓘ
formerName	U.S. Steel Building ⓘ linked to: U.S. Steel Tower, Pittsburgh
hasFeature	central core design ⓘ three chamfered corners ⓘ triangular footprint ⓘ
hasHelipad	yes ⓘ
height	256 meters ⓘ 841 feet ⓘ
locatedIn	Allegheny County ⓘ Downtown Pittsburgh ⓘ linked to: Pittsburgh, Pennsylvania Pennsylvania ⓘ
location	Pittsburgh ⓘ linked to: Pittsburgh, Pennsylvania
material	COR-TEN steel ⓘ steel ⓘ
namedAfter	United States Steel Corporation ⓘ
notableFor	triangular plan with three massive corner columns ⓘ use of COR-TEN weathering steel on exterior ⓘ
openingDate	1971 ⓘ
owner	U.S. Steel Real Estate or successors ⓘ
primaryFunction	corporate offices ⓘ
ranking	one of the tallest buildings in Pennsylvania ⓘ tallest building in Pittsburgh ⓘ
region	Western Pennsylvania ⓘ
roofSignage	UPMC logo ⓘ
roofType	flat roof ⓘ
streetAddress	600 Grant Street ⓘ
structuralSystem	steel frame ⓘ
tenant	UPMC (University of Pittsburgh Medical Center) ⓘ linked to: University of Pittsburgh Medical Center United States Steel Corporation ⓘ
toppedOut	1969 ⓘ
uses	commercial space ⓘ office space ⓘ
yearCompleted	1970 ⓘ

How these facts were elicited