San Juan National Historic Site
E10625
United States National Park Service unit
cultural heritage site
national historic site
tourist attraction
San Juan National Historic Site is a U.S. National Park in Old San Juan, Puerto Rico, preserving historic Spanish colonial fortifications such as Castillo San Felipe del Morro and Castillo San Cristóbal.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T33231 — 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 Juan National Historic Site Context triple: [San Juan, hasLandmark, San Juan National Historic Site]
-
A.
Channel Islands National Park
Channel Islands National Park is a U.S. national park off the coast of Southern California that protects five rugged, ecologically rich islands and the surrounding marine environment known for unique wildlife and excellent kayaking, hiking, and diving.
-
B.
San Juan
San Juan is the largest city and main cultural, economic, and tourism hub of Puerto Rico, known for its historic colonial architecture and vibrant coastal setting.
-
C.
Olana State Historic Site
Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
-
D.
Salem Maritime National Historic Site
Salem Maritime National Historic Site is a historic waterfront area in Salem, Massachusetts, preserving 18th- and 19th-century wharves, buildings, and artifacts related to the city’s prominent role in early American maritime trade.
-
E.
Castillo del Morro
Castillo del Morro is a historic Spanish fortress guarding the entrance to Havana Bay, renowned for its strategic coastal defenses and iconic lighthouse.
- 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 Juan National Historic Site Target entity description: San Juan National Historic Site is a U.S. National Park in Old San Juan, Puerto Rico, preserving historic Spanish colonial fortifications such as Castillo San Felipe del Morro and Castillo San Cristóbal.
-
A.
Channel Islands National Park
Channel Islands National Park is a U.S. national park off the coast of Southern California that protects five rugged, ecologically rich islands and the surrounding marine environment known for unique wildlife and excellent kayaking, hiking, and diving.
-
B.
San Juan
San Juan is the largest city and main cultural, economic, and tourism hub of Puerto Rico, known for its historic colonial architecture and vibrant coastal setting.
-
C.
Olana State Historic Site
Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
-
D.
Salem Maritime National Historic Site
Salem Maritime National Historic Site is a historic waterfront area in Salem, Massachusetts, preserving 18th- and 19th-century wharves, buildings, and artifacts related to the city’s prominent role in early American maritime trade.
-
E.
Castillo del Morro
Castillo del Morro is a historic Spanish fortress guarding the entrance to Havana Bay, renowned for its strategic coastal defenses and iconic lighthouse.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States National Park Service unit
ⓘ
cultural heritage site ⓘ national historic site ⓘ tourist attraction ⓘ |
| architecturalStyle | Spanish colonial military architecture ⓘ |
| builtBy | Spanish Empire ⓘ |
| category |
fortification
ⓘ
protected area of Puerto Rico ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dateEstablished | 1949-02-14 ⓘ |
| establishedBy | United States Congress ⓘ |
| governingBody | National Park Service ⓘ |
| hasPart |
Castillo San Cristóbal
ⓘ
Castillo San Felipe del Morro ⓘ Castillo San Felipe del Morro ⓘ
surface form:
Fortín San Juan de la Cruz
Old San Juan ⓘ
surface form:
Paseo del Morro
city walls of Old San Juan ⓘ |
| hasVisitorCenter | true ⓘ |
| heritageDesignation |
U.S. National Historic Site
ⓘ
surface form:
National Historic Site of the United States
UNESCO World Heritage Site ⓘ |
| inscriptionYearAsWorldHeritageSite | 1983 ⓘ |
| languageOfOfficialInformation |
English
ⓘ
Spanish ⓘ |
| locatedIn |
Old San Juan
ⓘ
Puerto Rico ⓘ San Juan ⓘ |
| locatedInMunicipality |
Municipal government of San Juan
ⓘ
surface form:
Municipality of San Juan
|
| locatedInTimeZone | Atlantic Standard Time ⓘ |
| locatedOn |
Atlantic coastal plain
ⓘ
surface form:
Atlantic Ocean coast
Puerto Rico ⓘ
surface form:
Island of Puerto Rico
San Juan Bay ⓘ |
| managedBy | National Park Service ⓘ |
| nearestCity | San Juan ⓘ |
| openToPublic | true ⓘ |
| partOf |
United States National Park System
ⓘ
surface form:
National Park System
|
| periodOfConstruction |
16th century
ⓘ
17th century ⓘ 18th century ⓘ |
| protects |
coastal defense system of San Juan
ⓘ
historic Spanish colonial fortifications ⓘ |
| significantFor |
history of Spanish colonialism in the Caribbean
ⓘ
maritime defense of the New World ⓘ military history ⓘ |
| UNESCOWorldHeritageCriteria |
cultural (iii)
ⓘ
cultural (vi) ⓘ |
| UNESCOWorldHeritageRegion |
Latin America
ⓘ
surface form:
Latin America and the Caribbean
|
| UNESCOWorldHeritageSiteId | 266 ⓘ |
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 Juan National Historic Site Description of subject: San Juan National Historic Site is a U.S. National Park in Old San Juan, Puerto Rico, preserving historic Spanish colonial fortifications such as Castillo San Felipe del Morro and Castillo San Cristóbal.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Old San Juan
this entity surface form:
Old San Juan
this entity surface form:
Historic Old San Juan
this entity surface form:
Old San Juan
this entity surface form:
La Fortaleza and San Juan National Historic Site in Puerto Rico
this entity surface form:
World Heritage Site "La Fortaleza and San Juan National Historic Site in Puerto Rico"
subject surface form:
Luis Muñoz Marín Park
this entity surface form:
San Juan park system
this entity surface form:
San Juan Historic District
this entity surface form:
La Fortaleza and San Juan National Historic Site in Puerto Rico
this entity surface form:
San Juan Historic District