Fort Baldwin State Historic Site
E841492
Fort Baldwin State Historic Site is a historic coastal defense fortification in Maine that preserves early 20th-century military structures and scenic views of the Kennebec River and Atlantic coast.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fort Baldwin | 3 |
| Fort Baldwin State Historic Site canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10085856 — 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 Baldwin State Historic Site Context triple: [Maine State Park system, hasPart, Fort Baldwin State Historic Site]
-
A.
Fort Recovery State Memorial
Fort Recovery State Memorial is a historic site and park in Ohio that preserves the location of a major 1791 U.S.–Native American conflict and interprets the broader history of early frontier warfare in the Northwest Territory.
-
B.
Fort Stark Historic Site
Fort Stark Historic Site is a former coastal defense fortification on New Castle Island that now serves as a public historic park overlooking the New Hampshire Seacoast.
-
C.
Jefferson Davis State Historic Site
Jefferson Davis State Historic Site is a Kentucky state park and memorial marking the birthplace of Jefferson Davis, the president of the Confederate States during the American Civil War.
-
D.
Fort Churchill State Historic Park
Fort Churchill State Historic Park is a Nevada state park preserving the ruins of a 19th-century U.S. Army fort and surrounding natural and cultural resources along the Carson River.
-
E.
Fort Abercrombie State Historical Park
Fort Abercrombie State Historical Park is a coastal Alaska state park on Kodiak Island known for its World War II military ruins, dramatic cliffs, and rich wildlife.
- 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 Baldwin State Historic Site Target entity description: Fort Baldwin State Historic Site is a historic coastal defense fortification in Maine that preserves early 20th-century military structures and scenic views of the Kennebec River and Atlantic coast.
-
A.
Fort Recovery State Memorial
Fort Recovery State Memorial is a historic site and park in Ohio that preserves the location of a major 1791 U.S.–Native American conflict and interprets the broader history of early frontier warfare in the Northwest Territory.
-
B.
Fort Stark Historic Site
Fort Stark Historic Site is a former coastal defense fortification on New Castle Island that now serves as a public historic park overlooking the New Hampshire Seacoast.
-
C.
Jefferson Davis State Historic Site
Jefferson Davis State Historic Site is a Kentucky state park and memorial marking the birthplace of Jefferson Davis, the president of the Confederate States during the American Civil War.
-
D.
Fort Churchill State Historic Park
Fort Churchill State Historic Park is a Nevada state park preserving the ruins of a 19th-century U.S. Army fort and surrounding natural and cultural resources along the Carson River.
-
E.
Fort Abercrombie State Historical Park
Fort Abercrombie State Historical Park is a coastal Alaska state park on Kodiak Island known for its World War II military ruins, dramatic cliffs, and rich wildlife.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
coastal defense fortification
ⓘ
historic site ⓘ |
| category |
Coastal fortifications in the United States
ⓘ
Military history of Maine ⓘ |
| contains | early 20th-century military structures ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasFeature |
concrete gun batteries
ⓘ
earthworks ⓘ observation posts ⓘ walking trails ⓘ |
| hasPart |
Fort Baldwin
ⓘ
linked to:
Fort Baldwin State Historic Site
|
| hasView |
scenic views of the Atlantic coast
ⓘ
scenic views of the Kennebec River ⓘ |
| heritageDesignation | historic military site ⓘ |
| inception | early 20th century ⓘ |
| locatedIn |
Phippsburg, Maine
ⓘ
Sagadahoc County, Maine ⓘ United States ⓘ
linked to:
United States of America
|
| namedAfter |
Fort Baldwin
ⓘ
linked to:
Fort Baldwin State Historic Site
|
| near |
Fort Popham
ⓘ
linked to:
Fort Popham State Historic Site
|
| openToPublic | true ⓘ |
| operator |
State of Maine
ⓘ
linked to:
Maine
|
| overlooks |
Atlantic Ocean
ⓘ
Kennebec River ⓘ |
| ownedBy |
State of Maine
ⓘ
linked to:
Maine
|
| partOf |
United States coastal defense system
ⓘ
linked to:
United States seacoast defense systems
|
| state | Maine ⓘ |
| usedFor |
coastal defense
ⓘ
heritage tourism ⓘ recreation ⓘ |
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 Baldwin State Historic Site Description of subject: Fort Baldwin State Historic Site is a historic coastal defense fortification in Maine that preserves early 20th-century military structures and scenic views of the Kennebec River and Atlantic coast.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Fort Baldwin State Historic Site
linked to: Fort Baldwin State Historic Site
linked to: Fort Baldwin State Historic Site