Fort Segarra
E166873
coastal defense fortification
former military installation
historic site
tourist attraction
underground bunker complex
Fort Segarra is a former U.S. military coastal defense fortification and underground bunker complex on Water Island in the U.S. Virgin Islands, now a historic site and tourist attraction.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Segarra canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1469401 — 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: Fort Segarra Context triple: [Water Island, hasLandmark, Fort Segarra]
-
A.
Santa Cruz Fort
Santa Cruz Fort is a historic coastal fortress overlooking the city of Oran in Algeria, known for its strategic hilltop position and panoramic views of the Mediterranean Sea.
-
B.
Fort du Portalet
Fort du Portalet is a 19th-century French mountain fortress in the Pyrenees, later used as a prison during World War II, notably for detaining Marshal Philippe Pétain.
-
C.
Fort Conde
Fort Conde is a reconstructed 18th-century French colonial fort and museum in Mobile, Alabama, that interprets the region’s early military and colonial history.
-
D.
Torreão
Torreão is a neighborhood in the Brazilian coastal city of Recife, known for its urban residential character and proximity to the city’s central areas.
-
E.
Fortín Conde de Mirasol
Fortín Conde de Mirasol is a historic Spanish colonial fort on the island of Vieques, Puerto Rico, now serving as a museum and cultural center.
- 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: Fort Segarra Target entity description: Fort Segarra is a former U.S. military coastal defense fortification and underground bunker complex on Water Island in the U.S. Virgin Islands, now a historic site and tourist attraction.
-
A.
Santa Cruz Fort
Santa Cruz Fort is a historic coastal fortress overlooking the city of Oran in Algeria, known for its strategic hilltop position and panoramic views of the Mediterranean Sea.
-
B.
Fort du Portalet
Fort du Portalet is a 19th-century French mountain fortress in the Pyrenees, later used as a prison during World War II, notably for detaining Marshal Philippe Pétain.
-
C.
Fort Conde
Fort Conde is a reconstructed 18th-century French colonial fort and museum in Mobile, Alabama, that interprets the region’s early military and colonial history.
-
D.
Torreão
Torreão is a neighborhood in the Brazilian coastal city of Recife, known for its urban residential character and proximity to the city’s central areas.
-
E.
Fortín Conde de Mirasol
Fortín Conde de Mirasol is a historic Spanish colonial fort on the island of Vieques, Puerto Rico, now serving as a museum and cultural center.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
coastal defense fortification
ⓘ
former military installation ⓘ historic site ⓘ tourist attraction ⓘ underground bunker complex ⓘ |
| access | by boat from Saint Thomas ⓘ |
| builtFor |
defense of Caribbean sea lanes
ⓘ
defense of Saint Thomas harbor ⓘ |
| conflict | World War II ⓘ |
| constructionBegan | 1940s ⓘ |
| controlledBy | United States Army ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse |
historic site
ⓘ
tourist attraction ⓘ |
| geographicCoordinateSystem | WGS84 ⓘ |
| hasPart |
ammunition magazines
ⓘ
command post ⓘ gun emplacements ⓘ observation posts ⓘ searchlight positions ⓘ tunnels ⓘ underground bunkers ⓘ |
| hasViewOf |
Charlotte Amalie Harbor
ⓘ
surface form:
Charlotte Amalie harbor
|
| heritageDesignation | local historic site ⓘ |
| locatedIn |
Caribbean Sea
ⓘ
U.S. Virgin Islands ⓘ Water Island ⓘ |
| locatedInAdministrativeTerritory |
U.S. Virgin Islands
ⓘ
surface form:
United States Virgin Islands
|
| locatedInTimeZone |
Atlantic Time Zone
ⓘ
surface form:
Atlantic Standard Time
|
| locatedNear |
Charlotte Amalie
ⓘ
St. Thomas, U.S. Virgin Islands ⓘ
surface form:
Saint Thomas
|
| locatedOn |
Water Island
ⓘ
surface form:
Water Island, U.S. Virgin Islands
|
| locatedOnElevation | hilltop on Water Island ⓘ |
| locatedOnIsland | Water Island ⓘ |
| militaryBranch |
United States Coast Artillery Corps
ⓘ
surface form:
United States Army Coast Artillery Corps
|
| openToPublic | true ⓘ |
| operator | United States Army ⓘ |
| ownedBy |
United States government
ⓘ
surface form:
United States federal government
|
| partOf | United States coastal defense system ⓘ |
| region | Caribbean ⓘ |
| status | decommissioned ⓘ |
| touristActivity |
bunker exploration
ⓘ
historical sightseeing ⓘ scenic viewing ⓘ |
| usedFor |
World War II coastal defense planning
ⓘ
coastal defense ⓘ harbor defense ⓘ |
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: Fort Segarra Description of subject: Fort Segarra is a former U.S. military coastal defense fortification and underground bunker complex on Water Island in the U.S. Virgin Islands, now a historic site and tourist attraction.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.