Treasure Island
E9580
Treasure Island is an artificial island in San Francisco Bay, originally built for the 1939 Golden Gate International Exposition and later used for military and residential purposes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Treasure Island canonical | 38 |
How this entity was disambiguated
This entity first appeared as the object of triple T70627 — 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: Treasure Island Context triple: [San Francisco Bay, hasIsland, Treasure Island]
-
A.
The Pearl of Orr's Island
The Pearl of Orr's Island is a 19th-century novel set in coastal Maine that explores themes of morality, community, and Christian faith through the lives of its seafaring characters.
-
B.
The Black Pirate
The Black Pirate is a 1926 silent swashbuckler film starring Douglas Fairbanks, renowned for its pioneering use of early two-color Technicolor and acrobatic action sequences.
-
C.
The Adventures of Tom Sawyer
The Adventures of Tom Sawyer is a classic 1876 novel by Mark Twain that follows the mischievous exploits of a boy growing up along the Mississippi River, capturing American small-town life with humor and satire.
-
D.
The Prince and the Pauper
The Prince and the Pauper is a historical novel by Mark Twain that tells the story of two boys—one a prince and the other a poor commoner—who swap identities in 16th-century England to explore themes of class and social justice.
-
E.
Le Jules Verne
Le Jules Verne is a renowned Michelin-starred gourmet restaurant located on the second level of the Eiffel Tower in Paris, offering fine French cuisine with panoramic city views.
- 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: Treasure Island Target entity description: Treasure Island is an artificial island in San Francisco Bay, originally built for the 1939 Golden Gate International Exposition and later used for military and residential purposes.
-
A.
The Pearl of Orr's Island
The Pearl of Orr's Island is a 19th-century novel set in coastal Maine that explores themes of morality, community, and Christian faith through the lives of its seafaring characters.
-
B.
The Black Pirate
The Black Pirate is a 1926 silent swashbuckler film starring Douglas Fairbanks, renowned for its pioneering use of early two-color Technicolor and acrobatic action sequences.
-
C.
The Adventures of Tom Sawyer
The Adventures of Tom Sawyer is a classic 1876 novel by Mark Twain that follows the mischievous exploits of a boy growing up along the Mississippi River, capturing American small-town life with humor and satire.
-
D.
The Prince and the Pauper
The Prince and the Pauper is a historical novel by Mark Twain that tells the story of two boys—one a prince and the other a poor commoner—who swap identities in 16th-century England to explore themes of class and social justice.
-
E.
Le Jules Verne
Le Jules Verne is a renowned Michelin-starred gourmet restaurant located on the second level of the Eiffel Tower in Paris, offering fine French cuisine with panoramic city views.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
artificial island
ⓘ
island ⓘ |
| adjacentTo | Yerba Buena Island ⓘ |
| area | approximately 404 acres ⓘ |
| climate | Mediterranean climate ⓘ |
| connectedBy |
San Francisco–Oakland Bay Bridge
ⓘ
Yerba Buena Island Tunnel ⓘ
linked to:
San Francisco–Oakland Bay Bridge
|
| constructedFor | Golden Gate International Exposition ⓘ |
| country | United States of America ⓘ |
| creator | U.S. Army Corps of Engineers ⓘ |
| elevation | approximately 3 meters above sea level ⓘ |
| environmentalIssue | soil contamination from former military use ⓘ |
| formerOwner | United States Navy ⓘ |
| governingBody |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| hasEvent | Treasure Island Music Festival (former location) ⓘ |
| hasFacility |
Treasure Island Museum
ⓘ
Treasure Island Naval Station (former) ⓘ |
| hasLandUse |
event venues
ⓘ
film and television production locations ⓘ recreational areas ⓘ residential housing ⓘ |
| hasViewOf |
Bay Bridge
ⓘ
Golden Gate Bridge ⓘ San Francisco skyline ⓘ |
| inception | 1936 ⓘ |
| locatedIn |
San Francisco Bay
ⓘ
San Francisco, California ⓘ
linked to:
San Francisco
|
| militaryUseEnd | 1997 ⓘ |
| militaryUseStart | 1941 ⓘ |
| namedAfter | novel "Treasure Island" by Robert Louis Stevenson ⓘ |
| notableEvent |
Golden Gate International Exposition 1939–1940
ⓘ
linked to:
Golden Gate International Exposition
|
| opened | 1939 ⓘ |
| ownershipTransfer | from U.S. Navy to City and County of San Francisco ⓘ |
| partOf |
California coastal islands
ⓘ
linked to:
Channel Islands of California
San Francisco ⓘ San Francisco Bay Area ⓘ Treasure Island–Yerba Buena Island neighborhood ⓘ
linked to:
Yerba Buena Island
|
| postalCode | 94130 ⓘ |
| redevelopment | mixed-use residential and commercial project ⓘ |
| redevelopmentStart | early 21st century ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| transportation | Muni bus service ⓘ |
| usedFor |
Coast Guard station
ⓘ
housing ⓘ military purposes ⓘ naval base ⓘ residential purposes ⓘ world's fair ⓘ |
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: Treasure Island Description of subject: Treasure Island is an artificial island in San Francisco Bay, originally built for the 1939 Golden Gate International Exposition and later used for military and residential purposes.
Referenced by (38)
Full triples — surface form annotated when it differs from this entity's canonical label.