Fort Knox (Maine)
E283038
Fort Knox (Maine) is a mid-19th-century granite coastal fortification on the Penobscot River built to protect Maine’s interior and shipping routes, now preserved as a historic site.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fort Knox (Maine) canonical | 9 |
| Fort Knox (on Penobscot River near head of bay) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2618000 — 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 Knox (Maine) Context triple: [Third System of US seacoast defense, hasPart, Fort Knox (Maine)]
-
A.
Fort Kent, Maine
Fort Kent, Maine is a small town in northern Aroostook County known for its location at the Canadian border and as a gateway to the North Maine Woods.
-
B.
Passadumkeag, Maine
Passadumkeag, Maine is a small rural town in Penobscot County known for its location along the Penobscot River in eastern Maine.
-
C.
Castle Hill, Maine
Castle Hill, Maine is a small rural town in northern Maine known for its agricultural landscape and location within Aroostook County.
-
D.
Oakfield, Maine
Oakfield, Maine is a small rural town located in Aroostook County in northern Maine, known for its forested landscape and outdoor recreation.
-
E.
Kenduskeag, Maine
Kenduskeag, Maine is a small rural town in central Maine known for its quiet residential character and proximity to the Kenduskeag Stream.
- 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 Knox (Maine) Target entity description: Fort Knox (Maine) is a mid-19th-century granite coastal fortification on the Penobscot River built to protect Maine’s interior and shipping routes, now preserved as a historic site.
-
A.
Fort Kent, Maine
Fort Kent, Maine is a small town in northern Aroostook County known for its location at the Canadian border and as a gateway to the North Maine Woods.
-
B.
Passadumkeag, Maine
Passadumkeag, Maine is a small rural town in Penobscot County known for its location along the Penobscot River in eastern Maine.
-
C.
Castle Hill, Maine
Castle Hill, Maine is a small rural town in northern Maine known for its agricultural landscape and location within Aroostook County.
-
D.
Oakfield, Maine
Oakfield, Maine is a small rural town located in Aroostook County in northern Maine, known for its forested landscape and outdoor recreation.
-
E.
Kenduskeag, Maine
Kenduskeag, Maine is a small rural town in central Maine known for its quiet residential character and proximity to the Kenduskeag Stream.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
19th-century fort
ⓘ
coastal fortification ⓘ historic site ⓘ military fort ⓘ |
| architecturalStyle | Third System coastal fortification ⓘ |
| builtForConflictContext | post-War of 1812 coastal defense concerns ⓘ |
| category |
Coastal fortifications in the United States
ⓘ
Forts in Maine ⓘ Military facilities on the National Register of Historic Places in Maine ⓘ Tourist attractions in Waldo County, Maine ⓘ |
| constructionStart | 1844 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| currentUse |
museum
ⓘ
state historic site ⓘ |
| era | mid-19th century ⓘ |
| garrisoned | United States Army ⓘ |
| hasBuildingMaterial | granite casemates ⓘ |
| hasFeature |
bastions
ⓘ
casemates ⓘ gun emplacements ⓘ parade ground ⓘ ramparts ⓘ |
| hasHeritageDesignation |
National Historic Landmark
ⓘ
property listed on the National Register of Historic Places ⓘ |
| hasNearbyStructure | Penobscot Narrows Bridge ⓘ |
| hasViewOf | Penobscot Narrows ⓘ |
| heritageDesignationDate | 1970 ⓘ |
| locatedIn | Prospect, Maine ⓘ |
| locatedInAdministrativeTerritory |
State of Maine
ⓘ
linked to:
Maine
Waldo County, Maine ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedOn | Penobscot River ⓘ |
| materialUsed | granite ⓘ |
| namedAfter | Henry Knox ⓘ |
| near | Bucksport, Maine ⓘ |
| openToPublic | true ⓘ |
| operatedBy | Maine Department of Agriculture, Conservation and Forestry ⓘ |
| ownedBy |
State of Maine
ⓘ
linked to:
Maine
|
| partOf | Fort Knox State Historic Site ⓘ |
| primaryFunction |
coastal defense
ⓘ
protection of Maine’s interior ⓘ protection of shipping routes ⓘ |
| status | preserved ⓘ |
| usedFor |
educational programs
ⓘ
historical interpretation ⓘ tourism ⓘ |
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 Knox (Maine) Description of subject: Fort Knox (Maine) is a mid-19th-century granite coastal fortification on the Penobscot River built to protect Maine’s interior and shipping routes, now preserved as a historic site.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Fort Knox (Maine)