Cerro Gordo County, Iowa
E396792
Cerro Gordo County, Iowa is a county in north-central Iowa known for its seat, Mason City, and its role as a regional hub for industry, healthcare, and transportation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cerro Gordo County, Iowa canonical | 3 |
| Cerro Gordo County, Iowa, United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1929507 — 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: Cerro Gordo County, Iowa Context triple: [Iowa's 1st congressional district, containsCounty, Cerro Gordo County, Iowa]
-
A.
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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B.
Crawford County, Iowa
Crawford County, Iowa is a rural county in western Iowa known for its agricultural economy and small communities such as its county seat, Denison.
-
C.
Mitchell County, Iowa
Mitchell County, Iowa is a rural county in northern Iowa known for its agricultural landscape, small communities, and location along the Minnesota border.
-
D.
Osceola County, Iowa
Osceola County, Iowa is a small, predominantly rural county in the northwestern part of the state known for its agricultural economy and close-knit communities.
-
E.
Guthrie County, Iowa
Guthrie County, Iowa is a rural county in central Iowa known for its agricultural landscape, small communities, and proximity to 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: Cerro Gordo County, Iowa Target entity description: Cerro Gordo County, Iowa is a county in north-central Iowa known for its seat, Mason City, and its role as a regional hub for industry, healthcare, and transportation.
-
A.
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.
-
B.
Crawford County, Iowa
Crawford County, Iowa is a rural county in western Iowa known for its agricultural economy and small communities such as its county seat, Denison.
-
C.
Mitchell County, Iowa
Mitchell County, Iowa is a rural county in northern Iowa known for its agricultural landscape, small communities, and location along the Minnesota border.
-
D.
Osceola County, Iowa
Osceola County, Iowa is a small, predominantly rural county in the northwestern part of the state known for its agricultural economy and close-knit communities.
-
E.
Guthrie County, Iowa
Guthrie County, Iowa is a rural county in central Iowa known for its agricultural landscape, small communities, and proximity to the Des Moines metropolitan area.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
county
ⓘ
county in Iowa ⓘ |
| areaLandSqMi | 568 ⓘ |
| areaTotalSqMi | 575 ⓘ |
| areaWaterPercent | 1.2 ⓘ |
| areaWaterSqMi | 7 ⓘ |
| borderedByCounty |
Floyd County, Iowa
NERFINISHED
ⓘ
Franklin County, Iowa NERFINISHED ⓘ Hancock County, Iowa NERFINISHED ⓘ Mitchell County, Iowa NERFINISHED ⓘ Winnebago County, Iowa NERFINISHED ⓘ Worth County, Iowa NERFINISHED ⓘ |
| congressionalDistrict | Iowa's 4th congressional district ⓘ |
| containsCity |
Clear Lake, Iowa
ⓘ
Mason City, Iowa, United States ⓘ
surface form:
Mason City, Iowa
Meservey, Iowa ⓘ Plymouth, Iowa ⓘ Rockwell, Iowa ⓘ Swaledale, Iowa ⓘ Thornton, Iowa ⓘ Ventura, Iowa ⓘ |
| containsLake | Clear Lake NERFINISHED ⓘ |
| containsUnincorporatedCommunity |
Burchinal, Iowa
ⓘ
Cartersville, Iowa ⓘ Portland, Iowa ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countySeat |
Mason City, Iowa, United States
ⓘ
surface form:
Mason City, Iowa
|
| FIPSCode | 19-033 ⓘ |
| founded | 1851 ⓘ |
| GNISID | 0455200 ⓘ |
| hasAirport | Mason City Municipal Airport ⓘ |
| hasCountyWebsite | https://www.cgcounty.org/ ⓘ |
| largestCity |
Mason City, Iowa, United States
ⓘ
surface form:
Mason City, Iowa
|
| locatedInRegion | north-central Iowa ⓘ |
| majorHighway |
Avenue of the Saints
ⓘ
Interstate 35 NERFINISHED ⓘ Iowa Highway 27 NERFINISHED ⓘ U.S. Route 18 NERFINISHED ⓘ U.S. Route 65 NERFINISHED ⓘ |
| namedAfter | Battle of Cerro Gordo ⓘ |
| organized | 1855 ⓘ |
| partOfMetropolitanArea |
Mason City
ⓘ
surface form:
Mason City micropolitan area
|
| population | approximately 42,000 ⓘ |
| populationAsOf | 2020 ⓘ |
| regionalRole |
regional hub for healthcare
ⓘ
regional hub for industry ⓘ regional hub for transportation ⓘ |
| state | Iowa ⓘ |
| timeZone | Central Time Zone ⓘ |
| timeZoneDST |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
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: Cerro Gordo County, Iowa Description of subject: Cerro Gordo County, Iowa is a county in north-central Iowa known for its seat, Mason City, and its role as a regional hub for industry, healthcare, and transportation.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Mason City, Iowa
this entity surface form:
Cerro Gordo County, Iowa, United States