Johnson's Island
E235393
Johnson's Island is a small island in Sandusky Bay on Lake Erie, best known as the site of a major Union prison camp for Confederate officers during the American Civil War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Johnson's Island canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1952705 — 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: Johnson's Island Context triple: [Erie County, Ohio, hasIsland, Johnson's Island]
-
A.
Lovells Island
Lovells Island is a small island in Boston Harbor that is part of the Boston Harbor Islands National Recreation Area and known for its historic military fortifications and natural coastal scenery.
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B.
Bedloe's Island
Bedloe's Island is the former name of Liberty Island in New York Harbor, best known today as the site of the Statue of Liberty.
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C.
Thompson Island
Thompson Island is a largely undeveloped island in Boston Harbor known for its natural landscapes, outdoor education programs, and role as a recreational and conservation area near the city.
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D.
Solomons Island
Solomons Island is a scenic waterfront community in southern Maryland known for its marinas, seafood restaurants, and maritime museum at the mouth of the Patuxent River.
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E.
Bailey Island
Bailey Island is a small, scenic island off the coast of Maine known for its rugged shoreline, fishing heritage, and the historic Cribstone Bridge connecting it to the mainland.
- 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: Johnson's Island Target entity description: Johnson's Island is a small island in Sandusky Bay on Lake Erie, best known as the site of a major Union prison camp for Confederate officers during the American Civil War.
-
A.
Lovells Island
Lovells Island is a small island in Boston Harbor that is part of the Boston Harbor Islands National Recreation Area and known for its historic military fortifications and natural coastal scenery.
-
B.
Bedloe's Island
Bedloe's Island is the former name of Liberty Island in New York Harbor, best known today as the site of the Statue of Liberty.
-
C.
Thompson Island
Thompson Island is a largely undeveloped island in Boston Harbor known for its natural landscapes, outdoor education programs, and role as a recreational and conservation area near the city.
-
D.
Solomons Island
Solomons Island is a scenic waterfront community in southern Maryland known for its marinas, seafood restaurants, and maritime museum at the mouth of the Patuxent River.
-
E.
Bailey Island
Bailey Island is a small, scenic island off the coast of Maine known for its rugged shoreline, fishing heritage, and the historic Cribstone Bridge connecting it to the mainland.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
island ⓘ military cemetery ⓘ |
| access | connected to mainland by causeway ⓘ |
| area | approximately 300 acres ⓘ |
| bay | Sandusky Bay ⓘ |
| category |
American Civil War prison camps
ⓘ
American Civil War sites in Ohio ⓘ Islands of Lake Erie ⓘ Landforms of Ottawa County, Ohio ⓘ National Historic Landmarks in Ohio ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endTime | 1865 ⓘ |
| hasCoordinates | 41.5°N, 82.7°W ⓘ |
| hasHeritageDesignation | National Historic Landmark ⓘ |
| hasHistoricalPeriod | American Civil War ⓘ |
| hasPart | Johnson's Island Confederate Cemetery ⓘ |
| hasTimezone | Eastern Time Zone ⓘ |
| hasUse | Civil War prison camp site ⓘ |
| heritageDesignationCountry |
United States of America
ⓘ
surface form:
United States
|
| knownFor | Union prison camp for Confederate officers ⓘ |
| lake | Lake Erie ⓘ |
| locatedInAdministrativeTerritorialEntity |
Ohio
ⓘ
Ottawa County, Ohio NERFINISHED ⓘ |
| locatedInBodyOfWater |
Lake Erie
ⓘ
Sandusky Bay ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedOn | Johnson's Island self-linksurface differs ⓘ |
| namedAfter | L. B. Johnson ⓘ |
| operator | Union Army ⓘ |
| partOf |
American Civil War prison system
ⓘ
Lake Erie Islands ⓘ |
| presentDayUse |
archaeological site
ⓘ
heritage tourism site ⓘ residential community ⓘ |
| prisonerSide | Confederate States Army ⓘ |
| startTime | 1862 ⓘ |
| state | Ohio ⓘ |
| subjectOf |
Civil War historical studies
ⓘ
archaeological excavations ⓘ |
| usedFor |
military prison
ⓘ
prisoner-of-war camp ⓘ |
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: Johnson's Island Description of subject: Johnson's Island is a small island in Sandusky Bay on Lake Erie, best known as the site of a major Union prison camp for Confederate officers during the American Civil War.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Johnson's Island Confederate Cemetery