Panama–Pacific International Exposition grounds
E394894
The Panama–Pacific International Exposition grounds were the expansive fairgrounds in San Francisco that hosted the 1915 world's fair celebrating the opening of the Panama Canal and the city’s recovery from the 1906 earthquake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Panama–Pacific International Exposition grounds canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3833889 — 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: Panama–Pacific International Exposition grounds Context triple: [Fountain of Energy, locatedIn, Panama–Pacific International Exposition grounds]
-
A.
World's Fair Park
World's Fair Park is a public park and event space in downtown Knoxville, Tennessee, built on the former site of the 1982 World's Fair and known for its iconic Sunsphere observation tower.
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B.
Exposition Park
Exposition Park was a historic early 20th-century baseball stadium in Pittsburgh that hosted the Pittsburgh Pirates and the first modern World Series games.
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C.
Exposition Park
Exposition Park is a major cultural and recreational complex in Los Angeles known for its museums, sports venues, and expansive public green spaces.
-
D.
Bicentennial Park
Bicentennial Park is a riverfront urban park in downtown Columbus, Ohio, known for its interactive fountains, performance stage, and role as a central gathering spot along the Scioto Mile.
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E.
Bicentennial Park
Bicentennial Park is a public recreational park in Livonia, Michigan, featuring open green spaces and outdoor amenities for community use.
- 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: Panama–Pacific International Exposition grounds Target entity description: The Panama–Pacific International Exposition grounds were the expansive fairgrounds in San Francisco that hosted the 1915 world's fair celebrating the opening of the Panama Canal and the city’s recovery from the 1906 earthquake.
-
A.
World's Fair Park
World's Fair Park is a public park and event space in downtown Knoxville, Tennessee, built on the former site of the 1982 World's Fair and known for its iconic Sunsphere observation tower.
-
B.
Exposition Park
Exposition Park was a historic early 20th-century baseball stadium in Pittsburgh that hosted the Pittsburgh Pirates and the first modern World Series games.
-
C.
Exposition Park
Exposition Park is a major cultural and recreational complex in Los Angeles known for its museums, sports venues, and expansive public green spaces.
-
D.
Bicentennial Park
Bicentennial Park is a riverfront urban park in downtown Columbus, Ohio, known for its interactive fountains, performance stage, and role as a central gathering spot along the Scioto Mile.
-
E.
Bicentennial Park
Bicentennial Park is a public recreational park in Livonia, Michigan, featuring open green spaces and outdoor amenities for community use.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
exposition site
ⓘ
fairgrounds ⓘ |
| area | approximately 635 acres ⓘ |
| constructionMaterial |
staff (plaster) cladding
ⓘ
wood framing ⓘ |
| containedStructure |
Court of the Four Seasons
ⓘ
Court of the Universe ⓘ Festival Hall ⓘ Fine Arts Lagoon ⓘ Joy Zone amusement area ⓘ Palace of Education ⓘ
surface form:
Palace of Education and Social Economy
Palace of Fine Arts ⓘ Palace of Food Products ⓘ Palace of Horticulture ⓘ Palace of Liberal Arts ⓘ Palace of Machinery ⓘ Palace of Machinery ⓘ
surface form:
Palace of Mines and Metallurgy
Palace of Transportation ⓘ Palace of Machinery ⓘ
surface form:
Palace of Varied Industries
South Gardens ⓘ Tower of Jewels ⓘ |
| designedBy |
Bernard Maybeck
ⓘ
George Kelham ⓘ
surface form:
George W. Kelham
Henry Bacon ⓘ John Galen Howard ⓘ Jules Guerin NERFINISHED ⓘ Louis Christian Mullgardt NERFINISHED ⓘ |
| featured |
elaborate night-time illumination
ⓘ
extensive formal gardens ⓘ temporary plaster-and-staff buildings ⓘ |
| hadArchitecturalStyle |
Beaux-Arts
ⓘ
Spanish Colonial Revival ⓘ fantasy architecture ⓘ neoclassical ⓘ |
| hostedEvent | Panama–Pacific International Exposition ⓘ |
| laterRedevelopedAs |
Marina District residential neighborhood
ⓘ
Marina Green ⓘ
surface form:
Marina Green parkland
part of the Presidio and Crissy Field area ⓘ |
| legacyStructureRemainingOnSite | Palace of Fine Arts ⓘ |
| locatedAlong | San Francisco Bay ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInNeighborhood | Marina District ⓘ |
| mostStructuresDemolished | after the exposition closed in 1915 ⓘ |
| openedForUse | 1915 ⓘ |
| purpose |
to celebrate the opening of the Panama Canal
ⓘ
to host the 1915 world’s fair ⓘ to showcase San Francisco’s recovery from the 1906 earthquake and fire ⓘ |
| stretchedFrom | Fort Mason ⓘ |
| stretchedTo |
Presidio of San Francisco
ⓘ
surface form:
the Presidio
|
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: Panama–Pacific International Exposition grounds Description of subject: The Panama–Pacific International Exposition grounds were the expansive fairgrounds in San Francisco that hosted the 1915 world's fair celebrating the opening of the Panama Canal and the city’s recovery from the 1906 earthquake.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.