Madison County, Iowa
E287235
Madison County, Iowa is a rural county in central Iowa best known for its historic covered bridges and as the birthplace of actor John Wayne.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Madison County, Iowa canonical | 40 |
| local authorities of Madison County, Iowa | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1507730 — 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: Madison County, Iowa Context triple: [Adair County, Iowa, borderedBy, Madison County, Iowa]
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A.
Marion County, Iowa
Marion County, Iowa is a county in south-central Iowa known for its Dutch heritage in the city of Pella and its mix of agricultural and small-town communities.
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B.
Dickinson County, Iowa
Dickinson County, Iowa is a county in the northwestern part of the state known for its Iowa Great Lakes region, including popular vacation destination Spirit Lake and the city of Okoboji.
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C.
Monroe County, Iowa
Monroe County, Iowa is a rural county in south-central Iowa known for its agricultural landscape and small communities, including the county seat of Albia.
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D.
Harrison County, Iowa
Harrison County, Iowa is a rural county in western Iowa known for its Missouri River valley landscapes, agriculture, and small communities northwest of the Omaha–Council Bluffs metropolitan area.
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E.
Warren County, Iowa
Warren County, Iowa is a county in south-central Iowa, known for its seat in Indianola and its mix of suburban communities and rural farmland just south of the Des Moines metropolitan area.
- 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: Madison County, Iowa Target entity description: Madison County, Iowa is a rural county in central Iowa best known for its historic covered bridges and as the birthplace of actor John Wayne.
-
A.
Marion County, Iowa
Marion County, Iowa is a county in south-central Iowa known for its Dutch heritage in the city of Pella and its mix of agricultural and small-town communities.
-
B.
Dickinson County, Iowa
Dickinson County, Iowa is a county in the northwestern part of the state known for its Iowa Great Lakes region, including popular vacation destination Spirit Lake and the city of Okoboji.
-
C.
Monroe County, Iowa
Monroe County, Iowa is a rural county in south-central Iowa known for its agricultural landscape and small communities, including the county seat of Albia.
-
D.
Harrison County, Iowa
Harrison County, Iowa is a rural county in western Iowa known for its Missouri River valley landscapes, agriculture, and small communities northwest of the Omaha–Council Bluffs metropolitan area.
-
E.
Warren County, Iowa
Warren County, Iowa is a county in south-central Iowa, known for its seat in Indianola and its mix of suburban communities and rural farmland just south of the Des Moines metropolitan area.
- F. None of above. chosen
Statements (47)
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: Madison County, Iowa Description of subject: Madison County, Iowa is a rural county in central Iowa best known for its historic covered bridges and as the birthplace of actor John Wayne.
Referenced by (41)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Union County
subject linked to:
Middle River (nearby)
subject linked to:
Middle River (nearby)
linked to: Madison County, Iowa