Centerville, Iowa
E755237
Centerville, Iowa is a small city in southern Iowa known historically for its coal mining industry and as the seat of Appanoose County.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Centerville, Iowa canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8750815 — 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: Centerville, Iowa Context triple: [Central Iowa, hasCity, Centerville, Iowa]
-
A.
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.
-
B.
Springville, Iowa
Springville, Iowa is a small incorporated city located in eastern Iowa within the Cedar Rapids metropolitan area.
-
C.
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.
-
D.
Middletown, Iowa
Middletown, Iowa is a small city in southeastern Iowa known for its rural community character and proximity to the larger city of Burlington.
-
E.
Coralville, Iowa
Coralville, Iowa is a growing suburban city in eastern Iowa, located near Iowa City and known for its shopping centers, recreational amenities, and proximity to the University of Iowa.
- 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: Centerville, Iowa Target entity description: Centerville, Iowa is a small city in southern Iowa known historically for its coal mining industry and as the seat of Appanoose County.
-
A.
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.
-
B.
Springville, Iowa
Springville, Iowa is a small incorporated city located in eastern Iowa within the Cedar Rapids metropolitan area.
-
C.
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.
-
D.
Middletown, Iowa
Middletown, Iowa is a small city in southeastern Iowa known for its rural community character and proximity to the larger city of Burlington.
-
E.
Coralville, Iowa
Coralville, Iowa is a growing suburban city in eastern Iowa, located near Iowa City and known for its shopping centers, recreational amenities, and proximity to the University of Iowa.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
human settlement ⓘ |
| areaCode | 641 ⓘ |
| continent | North America ⓘ |
| coordinateLocation | 40.7342°N 92.8744°W ⓘ |
| country | United States of America ⓘ |
| countrySubdivision |
Iowa
ⓘ
surface form:
State of Iowa
|
| countySeatOf | Appanoose County, Iowa NERFINISHED ⓘ |
| demographics | population around 5,000–6,000 residents in the early 21st century ⓘ |
| elevationAboveSeaLevel | about 1,010 feet ⓘ |
| GNISFeatureID | 0455493 ⓘ |
| governmentType | mayor–council government ⓘ |
| hasEducationalInstitution |
Centerville Community School District
NERFINISHED
ⓘ
Indian Hills Community College (Centerville campus) NERFINISHED ⓘ |
| hasHistoricDistrictStatus | listed on the National Register of Historic Places ⓘ |
| hasHistoricSite |
Appanoose County Courthouse
NERFINISHED
ⓘ
Centerville Square Historic District NERFINISHED ⓘ |
| hasIndustry | coal mining (historically) ⓘ |
| hasTransportation |
Iowa Highway 2
NERFINISHED
ⓘ
Iowa Highway 5 NERFINISHED ⓘ |
| knownFor |
historic coal mining industry
ⓘ
role as county seat of Appanoose County ⓘ |
| locatedIn | Appanoose County, Iowa NERFINISHED ⓘ |
| locatedInAdministrativeTerritory | Iowa NERFINISHED ⓘ |
| locatedInRegion | Southern Iowa NERFINISHED ⓘ |
| locatedNear | Lake Rathbun NERFINISHED ⓘ |
| partOf | Appanoose County, Iowa NERFINISHED ⓘ |
| postalCode | 52544 ⓘ |
| 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: Centerville, Iowa Description of subject: Centerville, Iowa is a small city in southern Iowa known historically for its coal mining industry and as the seat of Appanoose County.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Central Iowa