Transamerica Pyramid
E8758
The Transamerica Pyramid is an iconic, pyramid-shaped skyscraper in San Francisco and one of the city's most recognizable architectural landmarks.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T11898 — 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: Transamerica Pyramid Context triple: [San Francisco, hasLandmark, Transamerica Pyramid]
-
A.
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.
-
B.
Space Needle
The Space Needle is an iconic futuristic observation tower in Seattle, Washington, and a symbol of the city's skyline and the 1962 World's Fair.
-
C.
Centennial Wheel
The Centennial Wheel is a large, modern Ferris wheel at Chicago’s Navy Pier that offers panoramic views of the city skyline and Lake Michigan.
-
D.
Empire State Building
The Empire State Building is an iconic 102-story Art Deco skyscraper in Midtown Manhattan that was once the world’s tallest building and remains a symbol of New York City.
-
E.
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.
- 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: Transamerica Pyramid Target entity description: The Transamerica Pyramid is an iconic, pyramid-shaped skyscraper in San Francisco and one of the city's most recognizable architectural landmarks.
-
A.
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.
-
B.
Space Needle
The Space Needle is an iconic futuristic observation tower in Seattle, Washington, and a symbol of the city's skyline and the 1962 World's Fair.
-
C.
Centennial Wheel
The Centennial Wheel is a large, modern Ferris wheel at Chicago’s Navy Pier that offers panoramic views of the city skyline and Lake Michigan.
-
D.
Empire State Building
The Empire State Building is an iconic 102-story Art Deco skyscraper in Midtown Manhattan that was once the world’s tallest building and remains a symbol of New York City.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
high-rise building
ⓘ
landmark ⓘ office building ⓘ skyscraper ⓘ |
| address | 600 Montgomery Street, San Francisco, California ⓘ |
| antennaSpireHeight | 260 meters ⓘ |
| architect | William Pereira ⓘ |
| architecturalStyle |
Futurist architecture
ⓘ
Modernist architecture ⓘ |
| cityLandmarkStatus | iconic symbol of San Francisco ⓘ |
| constructionStartDate | 1969 ⓘ |
| coordinates | 37.7952°N 122.4028°W ⓘ |
| country | United States of America ⓘ |
| currentUse | commercial offices ⓘ |
| designedFor | Transamerica Corporation headquarters ⓘ |
| developer | Transamerica Corporation ⓘ |
| floorArea | approximately 48,000 square meters ⓘ |
| floorCount | 48 ⓘ |
| formerOwner |
Aegon
ⓘ
Transamerica Corporation ⓘ |
| hasAntennaSpire | true ⓘ |
| hasNickName | The Pyramid ⓘ |
| hasObservationDeck | no public observation deck ⓘ |
| hasParking | underground parking garage ⓘ |
| hasShape | pyramid ⓘ |
| height |
260 meters
ⓘ
853 feet ⓘ |
| imageSymbolizes | Transamerica Corporation logo ⓘ |
| locatedInTheAdministrativeTerritorialEntity |
California, United States
ⓘ
surface form:
California
San Francisco County ⓘ |
| location | San Francisco ⓘ |
| materialUsed |
concrete
ⓘ
quartz aggregate ⓘ steel ⓘ |
| neighborhood |
Financial District (San Francisco)
ⓘ
surface form:
Financial District
|
| notableFeature |
aluminum cap at the top of the spire
ⓘ
two wings housing elevator shafts and stairwells ⓘ white quartz exterior cladding ⓘ |
| numberOfElevators | 18 ⓘ |
| openingDate | 1972 ⓘ |
| owner | SHVO ⓘ |
| partOf | San Francisco skyline ⓘ |
| ranking |
one of the tallest pyramidal skyscrapers in the world
ⓘ
tallest building in San Francisco upon completion ⓘ |
| roofHeight | 260 meters ⓘ |
| seismicDesign | engineered to withstand earthquakes ⓘ |
| topFloorHeight | 190 meters ⓘ |
| website | https://www.transamericapyramidcenter.com/ ⓘ |
| yearOfCompletion | 1972 ⓘ |
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: Transamerica Pyramid Description of subject: The Transamerica Pyramid is an iconic, pyramid-shaped skyscraper in San Francisco and one of the city's most recognizable architectural landmarks.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Painted Ladies (San Francisco)
subject surface form:
Financial District (San Francisco)
this entity surface form:
Transamerica Pyramid, San Francisco
this entity surface form:
Transamerica Pyramid outline
this entity surface form:
Transamerica Pyramid skyscraper in San Francisco
subject surface form:
Columbus Avenue (San Francisco)
this entity surface form:
Transamerica Pyramid (distant view along Columbus Avenue)
subject surface form:
San Francisco
subject surface form:
San Francisco