Johnston, Iowa
E408050
Johnston, Iowa is a suburban city in the Des Moines metropolitan area known for being the headquarters of the Iowa National Guard and home to several major employers and residential communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Johnston, Iowa canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T3922248 — 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: Johnston, Iowa Context triple: [Polk County, Iowa, contains, Johnston, Iowa]
-
A.
Jesup, Iowa
Jesup, Iowa is a small rural city in northeastern Iowa known for its close-knit community and location spanning Black Hawk and Buchanan counties.
-
B.
McClelland, Iowa
McClelland, Iowa is a small rural community located in Pottawattamie County in the western part of the state.
-
C.
Lowden, Iowa
Lowden, Iowa is a small rural city in eastern Iowa known for its agricultural surroundings and tight-knit community.
-
D.
Mineola, Iowa
Mineola, Iowa is a small unincorporated rural community located in southwestern Iowa.
-
E.
Vinton, Iowa
Vinton, Iowa is a small Midwestern city in Benton County known for its historic downtown and role as a local agricultural and community hub.
- 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: Johnston, Iowa Target entity description: Johnston, Iowa is a suburban city in the Des Moines metropolitan area known for being the headquarters of the Iowa National Guard and home to several major employers and residential communities.
-
A.
Jesup, Iowa
Jesup, Iowa is a small rural city in northeastern Iowa known for its close-knit community and location spanning Black Hawk and Buchanan counties.
-
B.
McClelland, Iowa
McClelland, Iowa is a small rural community located in Pottawattamie County in the western part of the state.
-
C.
Lowden, Iowa
Lowden, Iowa is a small rural city in eastern Iowa known for its agricultural surroundings and tight-knit community.
-
D.
Mineola, Iowa
Mineola, Iowa is a small unincorporated rural community located in southwestern Iowa.
-
E.
Vinton, Iowa
Vinton, Iowa is a small Midwestern city in Benton County known for its historic downtown and role as a local agricultural and community hub.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| areaCode | 515 ⓘ |
| climate | humid continental climate ⓘ |
| contains |
Iowa National Guard headquarters
ⓘ
commercial areas ⓘ parks and recreational facilities ⓘ residential neighborhoods ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| demographicCharacteristic | primarily residential population ⓘ |
| economy |
diversified suburban economy
ⓘ
employment in government and agribusiness ⓘ |
| governmentType | council–manager government ⓘ |
| hasEmployer |
Corteva
ⓘ
surface form:
Corteva Agriscience
Des Moines Christian School ⓘ Iowa National Guard ⓘ John Deere Financial ⓘ Pioneer Hi-Bred Corn Company ⓘ
surface form:
Pioneer Hi-Bred International
|
| hasFacility | Camp Dodge ⓘ |
| hasFeature |
mix of residential and commercial development
ⓘ
suburban land use pattern ⓘ |
| hasPlanning | zoned suburban development ⓘ |
| hasPublicService |
fire department
ⓘ
municipal police department ⓘ public works department ⓘ |
| hasRecreation | local parks and trails system ⓘ |
| hasSchoolDistrict | Johnston Community School District ⓘ |
| hasTransportation |
access to Interstate 35
ⓘ
access to Interstate 80 ⓘ served by major arterial roads in the Des Moines metro ⓘ |
| isSuburbOf | Des Moines, Iowa ⓘ |
| knownFor |
headquarters of the Iowa National Guard
ⓘ
major employers in the Des Moines metro area ⓘ suburban residential communities ⓘ |
| locatedIn |
Iowa
ⓘ
Polk County, Iowa NERFINISHED ⓘ |
| locatedNear |
Des Moines River
ⓘ
Saylorville Lake NERFINISHED ⓘ |
| namedAfter | John F. Johnston ⓘ |
| partOf |
Des Moines–West Des Moines metropolitan area
ⓘ
surface form:
Des Moines metropolitan area
Polk County, Iowa local government structure ⓘ |
| postalCode | 50131 ⓘ |
| region | Midwestern United States ⓘ |
| state | Iowa ⓘ |
| 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: Johnston, Iowa Description of subject: Johnston, Iowa is a suburban city in the Des Moines metropolitan area known for being the headquarters of the Iowa National Guard and home to several major employers and residential communities.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.