Fort Frederick State Park
E340773
Fort Frederick State Park is a historic Maryland state park centered around a well-preserved 18th-century stone fort used during the French and Indian War, offering visitors military history, camping, and outdoor recreation along the Potomac River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Frederick State Park canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3230773 — 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 Frederick State Park Context triple: [Washington County, Maryland, contains, Fort Frederick State Park]
-
A.
Fort Washington State Park
Fort Washington State Park is a Pennsylvania state park known for its Revolutionary War history, wooded hiking trails, and scenic views in suburban Montgomery County.
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B.
F.D. Roosevelt State Park
F.D. Roosevelt State Park is Georgia’s largest state park, known for its extensive hiking trails, scenic overlooks, and historical ties to President Franklin D. Roosevelt.
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C.
Samuel P. Taylor State Park
Samuel P. Taylor State Park is a redwood-filled California state park known for its forested hiking and biking trails along Lagunitas Creek in Marin County.
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D.
North Point State Park
North Point State Park is a public recreation area on the Chesapeake Bay in Maryland known for its waterfront access, trails, and preserved natural and historic landscapes.
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E.
Fort Mott State Park
Fort Mott State Park is a historic coastal defense site and public recreation area along the Delaware River in New Jersey, featuring preserved military fortifications, interpretive exhibits, and scenic waterfront views.
- 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 Frederick State Park Target entity description: Fort Frederick State Park is a historic Maryland state park centered around a well-preserved 18th-century stone fort used during the French and Indian War, offering visitors military history, camping, and outdoor recreation along the Potomac River.
-
A.
Fort Washington State Park
Fort Washington State Park is a Pennsylvania state park known for its Revolutionary War history, wooded hiking trails, and scenic views in suburban Montgomery County.
-
B.
F.D. Roosevelt State Park
F.D. Roosevelt State Park is Georgia’s largest state park, known for its extensive hiking trails, scenic overlooks, and historical ties to President Franklin D. Roosevelt.
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C.
Samuel P. Taylor State Park
Samuel P. Taylor State Park is a redwood-filled California state park known for its forested hiking and biking trails along Lagunitas Creek in Marin County.
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D.
North Point State Park
North Point State Park is a public recreation area on the Chesapeake Bay in Maryland known for its waterfront access, trails, and preserved natural and historic landscapes.
-
E.
Fort Mott State Park
Fort Mott State Park is a historic coastal defense site and public recreation area along the Delaware River in New Jersey, featuring preserved military fortifications, interpretive exhibits, and scenic waterfront views.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
state park ⓘ |
| category |
French and Indian War forts in the United States
ⓘ
Maryland state parks ⓘ Protected areas of Washington County, Maryland ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| established | 1922 ⓘ |
| followsWatercourse | Potomac River ⓘ |
| hasHeritageDesignation |
U.S. National Historic Landmark (Fort Frederick)
ⓘ
U.S. National Register of Historic Places listing (Fort Frederick) ⓘ |
| hasHistoricalPeriod |
American Revolutionary War
ⓘ
French and Indian War (as part of British America) ⓘ
surface form:
French and Indian War
|
| hasHistoricalUse |
military fortification
ⓘ
prisoner-of-war camp ⓘ |
| hasPart |
Civilian Conservation Corps
ⓘ
surface form:
Civilian Conservation Corps structures
Fort Frederick ⓘ boat launch ⓘ campground ⓘ hiking trails ⓘ museum exhibits ⓘ picnic areas ⓘ visitor center ⓘ |
| hasStructureMaterial | stone ⓘ |
| locatedIn |
Maryland
ⓘ
Washington County, Maryland NERFINISHED ⓘ |
| locatedNear |
Big Pool, Maryland
ⓘ
Potomac River ⓘ |
| locatedOnRoute |
C&O Canal Towpath
ⓘ
surface form:
Chesapeake and Ohio Canal Towpath
|
| nearbyProtectedArea |
C&O Canal
ⓘ
surface form:
Chesapeake and Ohio Canal National Historical Park
|
| notableFeature |
bastioned fort design
ⓘ
earthworks and defensive walls ⓘ reconstructed barracks ⓘ well-preserved 18th-century stone fort ⓘ |
| offersActivity |
birdwatching
ⓘ
boating ⓘ camping ⓘ fishing ⓘ hiking ⓘ historical reenactments ⓘ interpretive tours ⓘ living history programs ⓘ picnicking ⓘ |
| openToPublic | true ⓘ |
| operatedBy | Maryland Park Service ⓘ |
| ownedBy | Maryland Department of Natural Resources ⓘ |
| primaryTheme | French and Indian War history ⓘ |
| region | Western Maryland ⓘ |
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 Frederick State Park Description of subject: Fort Frederick State Park is a historic Maryland state park centered around a well-preserved 18th-century stone fort used during the French and Indian War, offering visitors military history, camping, and outdoor recreation along the Potomac River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.