Fort Carroll (site)
E675639
Fort Carroll (site) is a historic Civil War–era defensive fortification that formed part of the ring of fort defenses protecting Washington, D.C.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fort Carroll (Civil War fort) | 1 |
| Fort Carroll (site) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7586384 — 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 Carroll (site) Context triple: [Civil War Defenses of Washington, hasPart, Fort Carroll (site)]
-
A.
Fort Story
Fort Story is a U.S. military installation in Virginia known for its coastal training facilities and role in amphibious and expeditionary operations.
-
B.
Fort Miles Historic Area
Fort Miles Historic Area is a preserved World War II coastal defense fortification and museum complex located within Cape Henlopen State Park in Delaware.
-
C.
Fort McNair
Fort McNair is a historic U.S. Army post in Washington, D.C., that houses major military commands and educational institutions and has served as a key defense installation since the early 19th century.
-
D.
Fort Whipple
Fort Whipple is a historic 19th-century U.S. Army post near Prescott, Arizona, that played a key role in the military settlement and defense of the Arizona Territory.
-
E.
Fort Neally
Fort Neally is a historic frontier fortification site located in Berkeley County, West Virginia, associated with early colonial-era defense and settlement in the region.
- 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 Carroll (site) Target entity description: Fort Carroll (site) is a historic Civil War–era defensive fortification that formed part of the ring of fort defenses protecting Washington, D.C.
-
A.
Fort Story
Fort Story is a U.S. military installation in Virginia known for its coastal training facilities and role in amphibious and expeditionary operations.
-
B.
Fort Miles Historic Area
Fort Miles Historic Area is a preserved World War II coastal defense fortification and museum complex located within Cape Henlopen State Park in Delaware.
-
C.
Fort McNair
Fort McNair is a historic U.S. Army post in Washington, D.C., that houses major military commands and educational institutions and has served as a key defense installation since the early 19th century.
-
D.
Fort Whipple
Fort Whipple is a historic 19th-century U.S. Army post near Prescott, Arizona, that played a key role in the military settlement and defense of the Arizona Territory.
-
E.
Fort Neally
Fort Neally is a historic frontier fortification site located in Berkeley County, West Virginia, associated with early colonial-era defense and settlement in the region.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Civil War–era fortification
ⓘ
coastal defense fort ⓘ historic site ⓘ |
| category |
Coastal fortifications in the United States
ⓘ
Forts in Maryland ⓘ Military history of Maryland ⓘ |
| controlledBy | United States Army NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse |
bird habitat
ⓘ
unoccupied ⓘ |
| era |
19th century
ⓘ
Civil War era ⓘ |
| hasAccess | by boat only ⓘ |
| hasCondition |
abandoned
ⓘ
ruinous ⓘ |
| hasConstructionMaterial |
brick
ⓘ
masonry ⓘ stone ⓘ |
| hasFeature |
bastion-style layout
ⓘ
casemated gun emplacements ⓘ enlisted barracks ⓘ magazines ⓘ officers’ quarters ⓘ parade ground ⓘ |
| heritageDesignation | historic site ⓘ |
| locatedIn | Maryland ⓘ |
| locatedInBodyOfWater | Patapsco River NERFINISHED ⓘ |
| locatedInMetropolitanArea | Baltimore–Washington metropolitan area NERFINISHED ⓘ |
| locatedInOrNear | Baltimore, Maryland NERFINISHED ⓘ |
| locatedNear | Chesapeake Bay NERFINISHED ⓘ |
| locatedOn | artificial island ⓘ |
| namedAfter | Charles Carroll of Carrollton NERFINISHED ⓘ |
| nearbyCity | Baltimore NERFINISHED ⓘ |
| notableFor |
hexagonal artificial island platform
ⓘ
role in Civil War–era harbor defenses ⓘ |
| ownedBy |
United States government
ⓘ
surface form:
United States federal government
|
| partOf |
United States coastal defense system
ⓘ
ring of fort defenses protecting Washington, D.C. ⓘ |
| protectsApproachTo |
Port of Baltimore
NERFINISHED
ⓘ
Washington, D.C. NERFINISHED ⓘ |
| region |
Mid-Atlantic states
ⓘ
surface form:
Mid-Atlantic United States
|
| significance |
example of mid-19th-century American coastal fortification
ⓘ
part of defenses for approach to Washington, D.C. via Chesapeake Bay and Patapsco River ⓘ |
| usedDuringConflict | American Civil War NERFINISHED ⓘ |
| usedFor |
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 Carroll (site) Description of subject: Fort Carroll (site) is a historic Civil War–era defensive fortification that formed part of the ring of fort defenses protecting Washington, D.C.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fort Carroll (Civil War fort)