San Francisco Federal Building
E141522
The San Francisco Federal Building is a prominent contemporary government office tower in San Francisco known for its unconventional, energy-efficient design by architect Thom Mayne.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Francisco Federal Building canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1176384 — 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: San Francisco Federal Building Context triple: [Civic Center, San Francisco, contains, San Francisco Federal Building]
-
A.
San Francisco City Hall
San Francisco City Hall is a historic Beaux-Arts landmark in the city’s Civic Center, serving as the seat of government and a prominent architectural symbol of San Francisco.
-
B.
Sacramento City Hall
Sacramento City Hall is the main municipal government building of Sacramento, California, housing the mayor’s office, city administration, and the chambers of the Sacramento City Council.
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C.
Civic Center, San Francisco
Civic Center, San Francisco is a historic governmental and cultural district in the heart of the city, known for its grand Beaux-Arts architecture, major civic institutions, and prominent public plazas.
-
D.
Palo Alto City Hall
Palo Alto City Hall is the municipal government building and administrative center serving the city of Palo Alto, California.
-
E.
San Francisco War Memorial Opera House
The San Francisco War Memorial Opera House is a historic performing arts venue in San Francisco renowned as the longtime home of the San Francisco Opera and San Francisco Ballet.
- 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: San Francisco Federal Building Target entity description: The San Francisco Federal Building is a prominent contemporary government office tower in San Francisco known for its unconventional, energy-efficient design by architect Thom Mayne.
-
A.
San Francisco City Hall
San Francisco City Hall is a historic Beaux-Arts landmark in the city’s Civic Center, serving as the seat of government and a prominent architectural symbol of San Francisco.
-
B.
Sacramento City Hall
Sacramento City Hall is the main municipal government building of Sacramento, California, housing the mayor’s office, city administration, and the chambers of the Sacramento City Council.
-
C.
Civic Center, San Francisco
Civic Center, San Francisco is a historic governmental and cultural district in the heart of the city, known for its grand Beaux-Arts architecture, major civic institutions, and prominent public plazas.
-
D.
Palo Alto City Hall
Palo Alto City Hall is the municipal government building and administrative center serving the city of Palo Alto, California.
-
E.
San Francisco War Memorial Opera House
The San Francisco War Memorial Opera House is a historic performing arts venue in San Francisco renowned as the longtime home of the San Francisco Opera and San Francisco Ballet.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
federal office building
ⓘ
government building ⓘ office tower ⓘ |
| architect | Thom Mayne ⓘ |
| architecturalFirm | Morphosis Architects ⓘ |
| architecturalStyle |
contemporary
ⓘ
high-tech architecture ⓘ |
| award |
AIA Committee on the Environment Top Ten Green Projects
ⓘ
surface form:
AIA COTE Top Ten Green Projects
|
| buildingType | office ⓘ |
| city | San Francisco ⓘ |
| completionDate | 2007 ⓘ |
| constructionStart | 2003 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| criticizedFor |
thermal comfort issues
ⓘ
user dissatisfaction with open-air corridors ⓘ wind and noise in naturally ventilated areas ⓘ |
| designFeature |
elevated sky garden terraces
ⓘ
narrow floor plates for natural ventilation ⓘ naturally ventilated offices ⓘ perforated metal sunscreen facade ⓘ reduced reliance on mechanical air conditioning ⓘ separate service core tower ⓘ |
| developer | U.S. General Services Administration ⓘ |
| energyEfficiencyGoal | reduced energy consumption compared to typical office buildings ⓘ |
| floorCount | 18 ⓘ |
| function | federal government offices ⓘ |
| hasPublicPlaza | true ⓘ |
| height | approximately 80 meters ⓘ |
| knownFor |
distinctive perforated metal facade
ⓘ
energy-efficient design ⓘ innovative natural ventilation strategy ⓘ unconventional design ⓘ |
| location | San Francisco ⓘ |
| namedAfter | its location in San Francisco ⓘ |
| neighborhood |
South of Market (SoMa)
ⓘ
surface form:
South of Market
|
| openingDate | 2007 ⓘ |
| owner | U.S. General Services Administration ⓘ |
| publicAccess | limited ⓘ |
| purpose | to consolidate federal offices in San Francisco ⓘ |
| regionServed | Northern California ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| sustainabilityFeature |
daylighting strategies
ⓘ
natural ventilation system ⓘ solar shading devices ⓘ |
| tenant |
Social Security Administration
ⓘ
United States Department of Health and Human Services ⓘ
surface form:
U.S. Department of Health and Human Services
United States Department of Labor ⓘ
surface form:
U.S. Department of Labor
|
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: San Francisco Federal Building Description of subject: The San Francisco Federal Building is a prominent contemporary government office tower in San Francisco known for its unconventional, energy-efficient design by architect Thom Mayne.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.