Johnson County, Iowa
E7741
Johnson County, Iowa is a county in eastern Iowa best known as the home of Iowa City and the University of Iowa.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Johnson County, Iowa canonical | 125 |
How this entity was disambiguated
This entity first appeared as the object of triple T25277 — 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 County, Iowa Context triple: [West Branch, Iowa, adjacentCounty, Johnson County, Iowa]
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A.
Sioux County, Iowa
Sioux County, Iowa is a rural county in northwestern Iowa known for its strong Dutch-American heritage and agricultural economy.
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B.
Cedar County, Iowa
Cedar County, Iowa is a predominantly rural county in eastern Iowa known for its agricultural landscape and historic communities, including the birthplace of President Herbert Hoover in West Branch.
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C.
Pottawattamie County, Iowa
Pottawattamie County, Iowa is a county in the southwestern part of the state, known for its county seat and largest city, Council Bluffs, which lies across the Missouri River from Omaha, Nebraska.
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D.
Barton County, Missouri
Barton County, Missouri is a rural county in southwestern Missouri known as the birthplace of U.S. President Harry S. Truman and for its county seat, the city of Lamar.
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E.
DuPage County, Illinois
DuPage County, Illinois is a suburban county west of Chicago known for its affluent communities, extensive forest preserves, and role as a major component of the Chicago 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: Johnson County, Iowa Target entity description: Johnson County, Iowa is a county in eastern Iowa best known as the home of Iowa City and the University of Iowa.
-
A.
Sioux County, Iowa
Sioux County, Iowa is a rural county in northwestern Iowa known for its strong Dutch-American heritage and agricultural economy.
-
B.
Cedar County, Iowa
Cedar County, Iowa is a predominantly rural county in eastern Iowa known for its agricultural landscape and historic communities, including the birthplace of President Herbert Hoover in West Branch.
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C.
Pottawattamie County, Iowa
Pottawattamie County, Iowa is a county in the southwestern part of the state, known for its county seat and largest city, Council Bluffs, which lies across the Missouri River from Omaha, Nebraska.
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D.
Barton County, Missouri
Barton County, Missouri is a rural county in southwestern Missouri known as the birthplace of U.S. President Harry S. Truman and for its county seat, the city of Lamar.
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E.
DuPage County, Illinois
DuPage County, Illinois is a suburban county west of Chicago known for its affluent communities, extensive forest preserves, and role as a major component of the Chicago metropolitan area.
- F. None of above. chosen
Statements (46)
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 County, Iowa Description of subject: Johnson County, Iowa is a county in eastern Iowa best known as the home of Iowa City and the University of Iowa.
Referenced by (125)
Full triples — surface form annotated when it differs from this entity's canonical label.