Rockwell City, Iowa
E639497
Rockwell City, Iowa is a small city in Calhoun County known as the "Golden Buckle on the Corn Belt" and serves as the county seat in a predominantly agricultural region of north-central Iowa.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rockwell City, Iowa canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7047936 — 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: Rockwell City, Iowa Context triple: [Iowa Highway 10, servesCommunity, Rockwell City, Iowa]
-
A.
Little Rock, Iowa
Little Rock, Iowa is a small rural city in northwestern Iowa known for its close-knit community and agricultural surroundings.
-
B.
Central City, Iowa
Central City, Iowa is a small town in eastern Iowa situated along the Wapsipinicon River, known for its rural community character and annual local festivals.
-
C.
Lawton, Iowa
Lawton, Iowa is a small city in northwestern Iowa that functions largely as a residential community near the larger urban center of Sioux City.
-
D.
Rock Rapids, Iowa
Rock Rapids, Iowa is a small city in northwestern Iowa known as the administrative and commercial hub of Lyon County.
-
E.
Forest City, Iowa
Forest City, Iowa is a small northern Iowa community known as the longtime home of Winnebago Industries and a gateway to nearby lakes and outdoor recreation.
- 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: Rockwell City, Iowa Target entity description: Rockwell City, Iowa is a small city in Calhoun County known as the "Golden Buckle on the Corn Belt" and serves as the county seat in a predominantly agricultural region of north-central Iowa.
-
A.
Little Rock, Iowa
Little Rock, Iowa is a small rural city in northwestern Iowa known for its close-knit community and agricultural surroundings.
-
B.
Central City, Iowa
Central City, Iowa is a small town in eastern Iowa situated along the Wapsipinicon River, known for its rural community character and annual local festivals.
-
C.
Lawton, Iowa
Lawton, Iowa is a small city in northwestern Iowa that functions largely as a residential community near the larger urban center of Sioux City.
-
D.
Rock Rapids, Iowa
Rock Rapids, Iowa is a small city in northwestern Iowa known as the administrative and commercial hub of Lyon County.
-
E.
Forest City, Iowa
Forest City, Iowa is a small northern Iowa community known as the longtime home of Winnebago Industries and a gateway to nearby lakes and outdoor recreation.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
human settlement ⓘ |
| areaCode | 712 ⓘ |
| climateClassification | humid continental climate ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision | Midwestern United States ⓘ |
| county | Calhoun County, Iowa NERFINISHED ⓘ |
| FIPScode | 19-68275 ⓘ |
| GNISfeatureID | 0460593 ⓘ |
| hasGovernmentType | mayor–council government ⓘ |
| hasLandUse | row-crop agriculture ⓘ |
| hasLatitude | 42.395 ⓘ |
| hasLongitude | -94.633 ⓘ |
| hasMajorCrops |
corn
ⓘ
soybeans ⓘ |
| hasNearbyCity |
Carroll, Iowa
NERFINISHED
ⓘ
Fort Dodge, Iowa NERFINISHED ⓘ |
| hasPublicLibrary | Rockwell City Public Library NERFINISHED ⓘ |
| hasPublicSchoolDistrict | South Central Calhoun Community School District NERFINISHED ⓘ |
| hasRegionCharacteristic | predominantly agricultural ⓘ |
| isCountySeatOf | Calhoun County, Iowa NERFINISHED ⓘ |
| isLocatedIn | United States Midwest NERFINISHED ⓘ |
| isPredominantly | rural community ⓘ |
| isSeatOf | Calhoun County Courthouse NERFINISHED ⓘ |
| isServedBy |
South Central Calhoun High School
NERFINISHED
ⓘ
South Central Calhoun Middle School NERFINISHED ⓘ |
| locatedInAgriculturalRegion | Corn Belt NERFINISHED ⓘ |
| locatedInRegion | north-central Iowa ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| nickname | Golden Buckle on the Corn Belt NERFINISHED ⓘ |
| partOf |
Calhoun County, Iowa
NERFINISHED
ⓘ
Iowa NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| postalCode | 50579 ⓘ |
| primaryEconomicActivity | agriculture ⓘ |
| roadAccess |
Iowa Highway 4
NERFINISHED
ⓘ
U.S. Route 20 NERFINISHED ⓘ |
| state | Iowa ⓘ |
| timeZoneDST |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
| UTCoffset | −06:00 ⓘ |
| UTCoffsetDST | −05:00 ⓘ |
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: Rockwell City, Iowa Description of subject: Rockwell City, Iowa is a small city in Calhoun County known as the "Golden Buckle on the Corn Belt" and serves as the county seat in a predominantly agricultural region of north-central Iowa.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.