Fort Massac State Park
E851863
Fort Massac State Park is a historic and recreational state park along the Ohio River in southern Illinois, centered around the site of an 18th-century frontier fort.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Massac State Park canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10266492 — 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 Massac State Park Context triple: [Southern Illinois, contains, Fort Massac State Park]
-
A.
Fort Harrison State Park
Fort Harrison State Park is a large urban state park near Indianapolis known for its wooded trails, fishing lakes, golf course, and preserved military history on the site of the former Fort Benjamin Harrison.
-
B.
Prophetstown State Park
Prophetstown State Park is a public recreation and natural area in Illinois known for its scenic landscapes, outdoor activities, and preservation of local ecosystems.
-
C.
Rock Island State Park
Rock Island State Park is a remote, undeveloped island park in Lake Michigan known for its historic Pottawatomie Lighthouse, hiking trails, and scenic shoreline accessible only by boat.
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D.
Lincoln State Park
Lincoln State Park is a historic state park in southern Indiana known for its forests, recreational facilities, and sites commemorating Abraham Lincoln’s boyhood years in the area.
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E.
George Rogers Clark National Historical Park
George Rogers Clark National Historical Park is a U.S. National Historical Park in Vincennes, Indiana, preserving and interpreting the site associated with Revolutionary War leader George Rogers Clark’s capture of Fort Sackville in 1779.
- 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 Massac State Park Target entity description: Fort Massac State Park is a historic and recreational state park along the Ohio River in southern Illinois, centered around the site of an 18th-century frontier fort.
-
A.
Fort Harrison State Park
Fort Harrison State Park is a large urban state park near Indianapolis known for its wooded trails, fishing lakes, golf course, and preserved military history on the site of the former Fort Benjamin Harrison.
-
B.
Prophetstown State Park
Prophetstown State Park is a public recreation and natural area in Illinois known for its scenic landscapes, outdoor activities, and preservation of local ecosystems.
-
C.
Rock Island State Park
Rock Island State Park is a remote, undeveloped island park in Lake Michigan known for its historic Pottawatomie Lighthouse, hiking trails, and scenic shoreline accessible only by boat.
-
D.
Lincoln State Park
Lincoln State Park is a historic state park in southern Indiana known for its forests, recreational facilities, and sites commemorating Abraham Lincoln’s boyhood years in the area.
-
E.
George Rogers Clark National Historical Park
George Rogers Clark National Historical Park is a U.S. National Historical Park in Vincennes, Indiana, preserving and interpreting the site associated with Revolutionary War leader George Rogers Clark’s capture of Fort Sackville in 1779.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | state park ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAmenity |
boat ramp
ⓘ
parking area ⓘ picnic shelters ⓘ playground ⓘ restrooms ⓘ |
| hasAttraction |
museum exhibits
ⓘ
reconstructed 18th-century fort ⓘ visitor center ⓘ |
| hasCampingType |
RV camping
ⓘ
tent camping ⓘ |
| hasEvent |
Fort Massac Encampment
NERFINISHED
ⓘ
historical reenactments ⓘ |
| hasFeature |
river overlooks
ⓘ
wooded areas ⓘ |
| hasInterpretation |
guided tours
ⓘ
historical signage ⓘ living history demonstrations ⓘ |
| hasRecreationActivity |
boating
ⓘ
camping ⓘ fishing ⓘ hiking ⓘ picnicking ⓘ |
| hasSite | Fort Massac NERFINISHED ⓘ |
| hasTrailType | hiking trails ⓘ |
| hasView | Ohio River NERFINISHED ⓘ |
| hasWildlife |
migratory birds
ⓘ
white-tailed deer NERFINISHED ⓘ |
| heritage |
American frontier history
ⓘ
French colonial history ⓘ |
| locatedIn |
Illinois
ⓘ
Massac County, Illinois NERFINISHED ⓘ |
| locatedInRegion | southern Illinois ⓘ |
| locatedOnRiver | Ohio River NERFINISHED ⓘ |
| nearCity | Metropolis, Illinois NERFINISHED ⓘ |
| operator | Illinois Department of Natural Resources NERFINISHED ⓘ |
| ownedBy | State of Illinois NERFINISHED ⓘ |
| partOf | Illinois state park system NERFINISHED ⓘ |
| primaryUse |
historic preservation
ⓘ
recreation ⓘ |
| subjectOf | heritage tourism ⓘ |
| terrain |
river floodplain
ⓘ
wooded bluffs ⓘ |
| theme | 18th-century frontier fort ⓘ |
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 Massac State Park Description of subject: Fort Massac State Park is a historic and recreational state park along the Ohio River in southern Illinois, centered around the site of an 18th-century frontier fort.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Southern Illinois