Castle Williams
E106794
Castle Williams is a historic 19th-century circular fortification on Governors Island in New York Harbor that served as a key coastal defense structure and later as a military prison.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Castle Williams canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T905958 — 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: Castle Williams Context triple: [Governors Island, hasPart, Castle Williams]
-
A.
House of Baux
The House of Baux was a prominent medieval noble family from Provence that produced influential lords and princes, including rulers of the Principality of Orange.
-
B.
Stone Tower
Stone Tower is a historic stone observation tower located within Lynn Woods Reservation in Lynn, Massachusetts, offering panoramic views of the surrounding forest and coastline.
-
C.
Silver Hill
Silver Hill is a small commuter rail station in Weston, Massachusetts, served by the MBTA's Fitchburg Line.
-
D.
Blackbeard's Castle
Blackbeard's Castle is a historic 17th-century watchtower and landmark in Charlotte Amalie on Saint Thomas, often associated with the pirate Blackbeard and offering panoramic views of the harbor.
-
E.
Nightcliff
Nightcliff is a coastal suburb of Darwin in Australia's Northern Territory, known for its scenic foreshore, jetty, and relaxed residential atmosphere.
- 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: Castle Williams Target entity description: Castle Williams is a historic 19th-century circular fortification on Governors Island in New York Harbor that served as a key coastal defense structure and later as a military prison.
-
A.
House of Baux
The House of Baux was a prominent medieval noble family from Provence that produced influential lords and princes, including rulers of the Principality of Orange.
-
B.
Stone Tower
Stone Tower is a historic stone observation tower located within Lynn Woods Reservation in Lynn, Massachusetts, offering panoramic views of the surrounding forest and coastline.
-
C.
Silver Hill
Silver Hill is a small commuter rail station in Weston, Massachusetts, served by the MBTA's Fitchburg Line.
-
D.
Blackbeard's Castle
Blackbeard's Castle is a historic 17th-century watchtower and landmark in Charlotte Amalie on Saint Thomas, often associated with the pirate Blackbeard and offering panoramic views of the harbor.
-
E.
Nightcliff
Nightcliff is a coastal suburb of Darwin in Australia's Northern Territory, known for its scenic foreshore, jetty, and relaxed residential atmosphere.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
coastal defense fort
ⓘ
fortification ⓘ historic site ⓘ |
| architecturalStyle | circular fortification ⓘ |
| builtDuring | War of 1812 era ⓘ |
| constructionEnd | 1811 ⓘ |
| constructionStart | 1807 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse |
historic site open to visitors
ⓘ
interpretive and educational facility ⓘ |
| eraOfSignificance |
19th century
ⓘ
American Civil War ⓘ War of 1812 ⓘ |
| functionedAs |
detention facility for Confederate prisoners of war
ⓘ
detention facility for U.S. Army personnel ⓘ harbor defense work ⓘ military prison during the American Civil War ⓘ military prison in the late 19th century ⓘ |
| hasFeature |
casemated gun emplacements
ⓘ
central parade ground ⓘ embrasures for cannon ⓘ thick masonry walls ⓘ |
| height | approximately 40 feet ⓘ |
| heritageDesignation |
National Historic Landmark
ⓘ
listed on the National Register of Historic Places ⓘ |
| locatedIn |
New York City
ⓘ
New York Harbor estuarine system ⓘ
surface form:
New York Harbor
New York ⓘ
surface form:
New York State
United States of America ⓘ
surface form:
United States
|
| location | Governors Island ⓘ |
| managedBy | National Park Service ⓘ |
| material | red sandstone ⓘ |
| namedAfter | Jonathan Williams ⓘ |
| near |
Ellis Island
ⓘ
Liberty Island ⓘ Lower Manhattan ⓘ |
| numberOfStories | three ⓘ |
| occupant |
United States Army
ⓘ
United States Coast Guard ⓘ |
| owner |
United States government
ⓘ
surface form:
United States federal government
|
| partOf |
Governors Island
ⓘ
surface form:
Governors Island National Monument
Harbor defenses of New York ⓘ
surface form:
New York City harbor defenses
Harbor defenses of New York ⓘ
surface form:
New York Harbor coastal defense system
|
| shape | circular ⓘ |
| use |
barracks
ⓘ
coastal defense fort ⓘ military prison ⓘ training facility ⓘ |
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: Castle Williams Description of subject: Castle Williams is a historic 19th-century circular fortification on Governors Island in New York Harbor that served as a key coastal defense structure and later as a military prison.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.