Equitable Building (Portland, Oregon)
E817095
The Equitable Building in Portland, Oregon is a pioneering early modernist office building renowned as one of the first fully sealed, air-conditioned, aluminum-and-glass skyscrapers in the United States, designed by architect Pietro Belluschi.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Equitable Building (Portland, Oregon) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9730376 — 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: Equitable Building (Portland, Oregon) Context triple: [Pietro Belluschi, notableWork, Equitable Building (Portland, Oregon)]
-
A.
Portland Building
The Portland Building is a landmark postmodern office building in downtown Portland, Oregon, designed by architect Michael Graves and noted for its colorful, ornamental façade.
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B.
Portland Building
The Portland Building is a key academic and administrative facility on the University of Portsmouth campus, housing teaching spaces, student services, and various university departments.
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C.
Portland City Hall
Portland City Hall is the historic municipal building in downtown Portland, Oregon, that houses the offices and chambers of the city’s government.
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D.
Portland City Hall
Portland City Hall is the historic municipal government building and architectural landmark serving the city of Portland, Maine.
-
E.
Goodhue Building
The Goodhue Building is a historic library structure designed by architect Bertram Goodhue, notable for its distinctive architectural style and role as a central public library facility.
- 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: Equitable Building (Portland, Oregon) Target entity description: The Equitable Building in Portland, Oregon is a pioneering early modernist office building renowned as one of the first fully sealed, air-conditioned, aluminum-and-glass skyscrapers in the United States, designed by architect Pietro Belluschi.
-
A.
Portland Building
The Portland Building is a landmark postmodern office building in downtown Portland, Oregon, designed by architect Michael Graves and noted for its colorful, ornamental façade.
-
B.
Portland Building
The Portland Building is a key academic and administrative facility on the University of Portsmouth campus, housing teaching spaces, student services, and various university departments.
-
C.
Portland City Hall
Portland City Hall is the historic municipal building in downtown Portland, Oregon, that houses the offices and chambers of the city’s government.
-
D.
Portland City Hall
Portland City Hall is the historic municipal government building and architectural landmark serving the city of Portland, Maine.
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E.
Goodhue Building
The Goodhue Building is a historic library structure designed by architect Bertram Goodhue, notable for its distinctive architectural style and role as a central public library facility.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Modernist building
ⓘ
office building ⓘ |
| alsoKnownAs | Commonwealth Building ⓘ |
| architect | Pietro Belluschi ⓘ |
| architecturalStyle |
International Style
ⓘ
Modernism ⓘ |
| city |
Portland, Oregon
ⓘ
linked to:
Portland
|
| completionDate | 1948 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| developer | Equitable Savings and Loan Association ⓘ |
| engineer | Sverdrup & Parcel ⓘ |
| floorCount | 12 ⓘ |
| hasBasement | yes ⓘ |
| hasElevatorCount | 4 ⓘ |
| hasFacadeType | curtain wall ⓘ |
| hasFeature |
aluminum-and-glass façade
ⓘ
central air conditioning ⓘ fully sealed curtain wall ⓘ no operable windows ⓘ reinforced concrete frame ⓘ |
| hasFloorArea | approximately 14,000 square meters ⓘ |
| hasHVACSystem | central mechanical air conditioning ⓘ |
| height | approximately 56 meters ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| influenced | postwar American office building design ⓘ |
| locatedIn |
Portland, Oregon
ⓘ
linked to:
Portland
United States ⓘ
linked to:
United States of America
|
| locatedInHistoricDistrict |
Downtown Portland
ⓘ
linked to:
Portland City Center
|
| materialUsed |
aluminum
ⓘ
glass ⓘ steel ⓘ |
| namedAfter | Equitable Savings and Loan Association ⓘ |
| NRHPListingDate | 1976 ⓘ |
| NRHPReferenceNumber | 76001582 ⓘ |
| openingDate | 1948 ⓘ |
| owner | various private owners over time ⓘ |
| partOf |
Portland central business district
ⓘ
linked to:
Portland City Center
|
| renamedAs | Commonwealth Building ⓘ |
| roofHeight | approximately 56 meters ⓘ |
| significance |
early example of aluminum-and-glass skyscraper construction in the United States
ⓘ
one of the first fully sealed, air-conditioned office buildings in the United States ⓘ pioneering early modernist office building ⓘ |
| startDateOfConstruction | 1944 ⓘ |
| streetAddress | 421 SW 6th Avenue, Portland, Oregon ⓘ |
| use | office ⓘ |
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: Equitable Building (Portland, Oregon) Description of subject: The Equitable Building in Portland, Oregon is a pioneering early modernist office building renowned as one of the first fully sealed, air-conditioned, aluminum-and-glass skyscrapers in the United States, designed by architect Pietro Belluschi.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.