Oskaloosa, Iowa
E398587
Oskaloosa, Iowa is a small city in southeastern Iowa known for its historic downtown, rich coal-mining heritage, and role as a regional commercial and cultural center.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Oskaloosa, Iowa canonical | 16 |
| City of Oskaloosa | 2 |
| Oskaloosa | 1 |
| Oskaloosa Micropolitan Statistical Area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3788587 — 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: Oskaloosa, Iowa Context triple: [Mahaska County, Iowa, countySeat, Oskaloosa, Iowa]
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A.
Iowa City, Iowa
Iowa City, Iowa is a mid-sized Midwestern city best known as the home of the University of Iowa and a UNESCO City of Literature.
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B.
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.
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C.
Washington, Iowa
Washington, Iowa is a small city in southeastern Iowa known for its historic downtown, agricultural surroundings, and role as a local commercial and cultural hub.
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D.
Oakland, Iowa
Oakland, Iowa is a small rural city in southwestern Iowa known for its agricultural community and location along the West Nishnabotna River.
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E.
Cedar Rapids, Iowa
Cedar Rapids, Iowa is the second-largest city in the state, known as a major economic and cultural hub of eastern Iowa with a strong manufacturing base and vibrant arts scene.
- 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: Oskaloosa, Iowa Target entity description: Oskaloosa, Iowa is a small city in southeastern Iowa known for its historic downtown, rich coal-mining heritage, and role as a regional commercial and cultural center.
-
A.
Iowa City, Iowa
Iowa City, Iowa is a mid-sized Midwestern city best known as the home of the University of Iowa and a UNESCO City of Literature.
-
B.
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.
-
C.
Washington, Iowa
Washington, Iowa is a small city in southeastern Iowa known for its historic downtown, agricultural surroundings, and role as a local commercial and cultural hub.
-
D.
Oakland, Iowa
Oakland, Iowa is a small rural city in southwestern Iowa known for its agricultural community and location along the West Nishnabotna River.
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E.
Cedar Rapids, Iowa
Cedar Rapids, Iowa is the second-largest city in the state, known as a major economic and cultural hub of eastern Iowa with a strong manufacturing base and vibrant arts scene.
- 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: Oskaloosa, Iowa Description of subject: Oskaloosa, Iowa is a small city in southeastern Iowa known for its historic downtown, rich coal-mining heritage, and role as a regional commercial and cultural center.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Central Iowa
this entity surface form:
Oskaloosa
this entity surface form:
Oskaloosa Micropolitan Statistical Area
this entity surface form:
City of Oskaloosa
this entity surface form:
City of Oskaloosa