Polk City, Iowa
E400204
Polk City, Iowa is a small city in central Iowa known for its proximity to Saylorville Lake and Big Creek State Park, offering a blend of suburban living and outdoor recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Polk City, Iowa canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3922252 — 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: Polk City, Iowa Context triple: [Polk County, Iowa, contains, Polk City, Iowa]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Orange City, Iowa
Orange City, Iowa is a small northwestern Iowa community known for its Dutch heritage, annual Tulip Festival, and role as the cultural and economic hub of Sioux County.
-
E.
Charles City, Iowa
Charles City, Iowa is a small northeastern Iowa community known for its historic role in tractor manufacturing and its location along the Cedar River.
- 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: Polk City, Iowa Target entity description: Polk City, Iowa is a small city in central Iowa known for its proximity to Saylorville Lake and Big Creek State Park, offering a blend of suburban living and outdoor recreation.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Orange City, Iowa
Orange City, Iowa is a small northwestern Iowa community known for its Dutch heritage, annual Tulip Festival, and role as the cultural and economic hub of Sioux County.
-
E.
Charles City, Iowa
Charles City, Iowa is a small northeastern Iowa community known for its historic role in tractor manufacturing and its location along the Cedar River.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| areaCode | 515 ⓘ |
| category |
Cities in Iowa
ⓘ
Cities in Polk County, Iowa ⓘ Des Moines metropolitan area cities ⓘ |
| climate | humid continental climate ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Polk County, Iowa ⓘ |
| elevation |
288 meters
ⓘ
945 feet ⓘ |
| featureID | GNIS feature ID 0460560 ⓘ |
| FIPSCode | 19-64135 ⓘ |
| governmentType | mayor–council government ⓘ |
| hasHistoricDistrict | Polk City Town Square Historic District ⓘ |
| hasPark | Town Square Park ⓘ |
| hasRecreation |
biking trails
ⓘ
boating ⓘ camping ⓘ fishing ⓘ hiking ⓘ |
| hasWaterBodyNearby | Big Creek Lake ⓘ |
| incorporatedIn | 19th century ⓘ |
| knownFor |
blend of suburban living and outdoor recreation
ⓘ
outdoor recreation opportunities ⓘ proximity to Big Creek State Park ⓘ proximity to Saylorville Lake ⓘ |
| locatedIn | central Iowa ⓘ |
| locatedOn | U.S. Route 415 vicinity ⓘ |
| namedFor | James K. Polk ⓘ |
| near |
Big Creek State Park
ⓘ
Saylorville Lake ⓘ |
| partOf |
Des Moines metropolitan area
ⓘ
linked to:
Des Moines–West Des Moines metropolitan area
|
| postalCode | 50226 ⓘ |
| region | Midwestern United States ⓘ |
| schoolDistrict | North Polk Community School District ⓘ |
| state | Iowa ⓘ |
| timeZone | Central Time Zone ⓘ |
| timeZoneDST |
Central Daylight Time
ⓘ
linked to:
Central Time Zone
|
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: Polk City, Iowa Description of subject: Polk City, Iowa is a small city in central Iowa known for its proximity to Saylorville Lake and Big Creek State Park, offering a blend of suburban living and outdoor recreation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.