Ottumwa micropolitan area
E928722
The Ottumwa micropolitan area is a small urban region in southeastern Iowa centered on the city of Ottumwa and its surrounding communities, recognized for statistical and economic purposes by the U.S. Census Bureau.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ottumwa micropolitan area canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11485942 — 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: Ottumwa micropolitan area Context triple: [Ottumwa, Iowa, locatedInMetropolitanArea, Ottumwa micropolitan area]
-
A.
Ottumwa, Iowa
Ottumwa, Iowa is a small city in southeastern Iowa known as a regional hub on the Des Moines River with a mix of industrial, rail, and agricultural heritage.
-
B.
Cedar Rapids metropolitan area
The Cedar Rapids metropolitan area is a regional urban and economic hub in eastern Iowa centered on the city of Cedar Rapids and its surrounding counties.
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C.
Marshalltown
Marshalltown is a city in central Iowa that serves as a regional hub for industry, commerce, and transportation.
-
D.
Sioux City metropolitan area
The Sioux City metropolitan area is a multi-state urban region centered on Sioux City, Iowa, encompassing surrounding communities in Iowa, Nebraska, and South Dakota.
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E.
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.
- 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: Ottumwa micropolitan area Target entity description: The Ottumwa micropolitan area is a small urban region in southeastern Iowa centered on the city of Ottumwa and its surrounding communities, recognized for statistical and economic purposes by the U.S. Census Bureau.
-
A.
Ottumwa, Iowa
Ottumwa, Iowa is a small city in southeastern Iowa known as a regional hub on the Des Moines River with a mix of industrial, rail, and agricultural heritage.
-
B.
Cedar Rapids metropolitan area
The Cedar Rapids metropolitan area is a regional urban and economic hub in eastern Iowa centered on the city of Cedar Rapids and its surrounding counties.
-
C.
Marshalltown
Marshalltown is a city in central Iowa that serves as a regional hub for industry, commerce, and transportation.
-
D.
Sioux City metropolitan area
The Sioux City metropolitan area is a multi-state urban region centered on Sioux City, Iowa, encompassing surrounding communities in Iowa, Nebraska, and South Dakota.
-
E.
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.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | United States micropolitan area ⓘ |
| category |
Micropolitan areas of Iowa
NERFINISHED
ⓘ
Ottumwa, Iowa micropolitan area NERFINISHED ⓘ |
| centralCity | Ottumwa, Iowa NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| daylightSavingTimeZone |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
| governingBody | United States Office of Management and Budget NERFINISHED ⓘ |
| hasCoreBasedOn | Ottumwa, Iowa GENERATED ⓘ |
| hasUrbanCenter | Ottumwa, Iowa NERFINISHED ⓘ |
| isMetropolitanArea | false ⓘ |
| isUrbanArea | true ⓘ |
| locatedIn | southeastern Iowa ⓘ |
| namedAfter | Ottumwa, Iowa NERFINISHED ⓘ |
| partOf |
Iowa
NERFINISHED
ⓘ
Midwestern United States ⓘ |
| recognizedBy | United States Census Bureau NERFINISHED ⓘ |
| region | southeastern Iowa ⓘ |
| state | Iowa ⓘ |
| statisticalAreaType | micropolitan statistical area ⓘ |
| statisticalDefinitionAuthority | United States Office of Management and Budget NERFINISHED ⓘ |
| statisticalStandard | Core-based statistical area ⓘ |
| timeZone | Central Time Zone ⓘ |
| usedFor |
economic analysis
ⓘ
statistical purposes ⓘ |
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: Ottumwa micropolitan area Description of subject: The Ottumwa micropolitan area is a small urban region in southeastern Iowa centered on the city of Ottumwa and its surrounding communities, recognized for statistical and economic purposes by the U.S. Census Bureau.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.