Sandy Hook Proving Ground (historic)
E506549
Sandy Hook Proving Ground (historic) was a major U.S. Army coastal artillery and ordnance testing facility located on the Sandy Hook peninsula in New Jersey, active from the late 19th century through World War II.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T5261824 — 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: Sandy Hook Proving Ground (historic) Context triple: [Sandy Hook, hasFeature, Sandy Hook Proving Ground (historic)]
-
A.
Newtown Battlefield State Park
Newtown Battlefield State Park is a historic site and public recreation area in Chemung County, New York, preserving the location of a major 1779 Revolutionary War battle between Continental Army forces and British-allied Iroquois.
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B.
West Point Foundry Preserve
West Point Foundry Preserve is a historic industrial and natural park in Cold Spring, New York, featuring the ruins of a 19th-century ironworks set within wooded trails and scenic Hudson River views.
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C.
Fort Worden Historical State Park
Fort Worden Historical State Park is a former U.S. Army coastal defense fort on the Olympic Peninsula that now serves as a popular state park and historic site featuring preserved military structures, beaches, and cultural facilities.
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D.
Ebey's Landing National Historical Reserve
Ebey's Landing National Historical Reserve is a protected cultural landscape on Whidbey Island in Washington that preserves historic farms, prairies, and coastal scenery reflecting early Pacific Northwest settlement.
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E.
Hubbardton Battlefield State Historic Site
Hubbardton Battlefield State Historic Site is a preserved Revolutionary War battlefield in Vermont that commemorates and interprets the 1777 Battle of Hubbardton.
- 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: Sandy Hook Proving Ground (historic) Target entity description: Sandy Hook Proving Ground (historic) was a major U.S. Army coastal artillery and ordnance testing facility located on the Sandy Hook peninsula in New Jersey, active from the late 19th century through World War II.
-
A.
Newtown Battlefield State Park
Newtown Battlefield State Park is a historic site and public recreation area in Chemung County, New York, preserving the location of a major 1779 Revolutionary War battle between Continental Army forces and British-allied Iroquois.
-
B.
West Point Foundry Preserve
West Point Foundry Preserve is a historic industrial and natural park in Cold Spring, New York, featuring the ruins of a 19th-century ironworks set within wooded trails and scenic Hudson River views.
-
C.
Fort Worden Historical State Park
Fort Worden Historical State Park is a former U.S. Army coastal defense fort on the Olympic Peninsula that now serves as a popular state park and historic site featuring preserved military structures, beaches, and cultural facilities.
-
D.
Ebey's Landing National Historical Reserve
Ebey's Landing National Historical Reserve is a protected cultural landscape on Whidbey Island in Washington that preserves historic farms, prairies, and coastal scenery reflecting early Pacific Northwest settlement.
-
E.
Hubbardton Battlefield State Historic Site
Hubbardton Battlefield State Historic Site is a preserved Revolutionary War battlefield in Vermont that commemorates and interprets the 1777 Battle of Hubbardton.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army installation
ⓘ
military proving ground ⓘ |
| adjacentTo |
Atlantic Ocean
NERFINISHED
ⓘ
New York Harbor NERFINISHED ⓘ |
| associatedWith |
U.S. Army Ordnance Department
NERFINISHED
ⓘ
United States coastal artillery NERFINISHED ⓘ |
| category |
coastal artillery installations of the United States
ⓘ
former United States Army installations in New Jersey ⓘ military history of New Jersey ⓘ |
| country | United States of America ⓘ |
| endTime | World War II era ⓘ |
| hasEnvironment |
long narrow peninsula
ⓘ
open ocean firing range ⓘ |
| heritageStatus | historic military site ⓘ |
| historicalPeriod |
World War I
NERFINISHED
ⓘ
World War II ⓘ late 19th century United States ⓘ |
| locatedIn |
Monmouth County, New Jersey
NERFINISHED
ⓘ
New Jersey, United States ⓘ
surface form:
New Jersey
Sandy Hook peninsula NERFINISHED ⓘ United States of America ⓘ |
| locatedOn | Atlantic coast of the United States ⓘ |
| nearby | Fort Hancock NERFINISHED ⓘ |
| operator | United States Army ⓘ |
| partOf |
Harbor Defenses of New York
NERFINISHED
ⓘ
Sandy Hook NERFINISHED ⓘ historic military infrastructure of New Jersey ⓘ |
| reasonForLocation |
ability to fire over water into open ocean
ⓘ
proximity to New York Harbor defenses ⓘ |
| significance |
major U.S. Army coastal artillery testing facility
ⓘ
major U.S. Army ordnance testing facility ⓘ |
| startTime | late 19th century ⓘ |
| status | decommissioned military facility ⓘ |
| tested |
coastal artillery guns
ⓘ
explosive shells ⓘ fire-control instruments ⓘ large-caliber artillery ⓘ naval guns ⓘ small arms ammunition ⓘ |
| usedFor |
ammunition testing
ⓘ
ballistic research ⓘ coast defense weapons development ⓘ coastal artillery testing ⓘ fire-control system testing ⓘ gun proofing ⓘ ordnance testing ⓘ range-finding experiments ⓘ |
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: Sandy Hook Proving Ground (historic) Description of subject: Sandy Hook Proving Ground (historic) was a major U.S. Army coastal artillery and ordnance testing facility located on the Sandy Hook peninsula in New Jersey, active from the late 19th century through World War II.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sandy Hook Proving Ground
this entity surface form:
Fort Hancock and Sandy Hook Proving Ground
this entity surface form:
Fort Hancock and Sandy Hook Proving Ground Historic District