Red Oak, Iowa
E178926
Red Oak, Iowa is a small city in Montgomery County known historically as a regional railroad and agricultural community in southwestern Iowa.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Red Oak, Iowa canonical | 13 |
| Red Oak, Iowa, United States | 2 |
| Red Oak, Iowa, United States of America | 1 |
| city of Red Oak, Iowa | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1561557 — 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: Red Oak, Iowa Context triple: [Southwestern Iowa, containsSettlement, Red Oak, Iowa]
-
A.
Larchwood, Iowa
Larchwood, Iowa is a small rural city in the far northwest corner of the state, known for its agricultural surroundings and proximity to the South Dakota border.
-
B.
Lowden, Iowa
Lowden, Iowa is a small rural city in eastern Iowa known for its agricultural surroundings and tight-knit community.
-
C.
Walnut, Iowa
Walnut, Iowa is a small rural city in western Iowa known for its antique shops and historic downtown district.
-
D.
McClelland, Iowa
McClelland, Iowa is a small rural community located in Pottawattamie County in the western part of the state.
-
E.
Neola, Iowa
Neola, Iowa is a small rural city in western Iowa known for its agricultural community and location within Pottawattamie County.
- 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: Red Oak, Iowa Target entity description: Red Oak, Iowa is a small city in Montgomery County known historically as a regional railroad and agricultural community in southwestern Iowa.
-
A.
Larchwood, Iowa
Larchwood, Iowa is a small rural city in the far northwest corner of the state, known for its agricultural surroundings and proximity to the South Dakota border.
-
B.
Lowden, Iowa
Lowden, Iowa is a small rural city in eastern Iowa known for its agricultural surroundings and tight-knit community.
-
C.
Walnut, Iowa
Walnut, Iowa is a small rural city in western Iowa known for its antique shops and historic downtown district.
-
D.
McClelland, Iowa
McClelland, Iowa is a small rural community located in Pottawattamie County in the western part of the state.
-
E.
Neola, Iowa
Neola, Iowa is a small rural city in western Iowa known for its agricultural community and location within Pottawattamie County.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
human settlement ⓘ |
| areaCode | 712 ⓘ |
| coordinateSystem | geographic coordinates ⓘ |
| country | United States of America ⓘ |
| countrySubdivision | Iowa ⓘ |
| demographicsCharacteristic | small city population size ⓘ |
| governmentType | mayor–council government ⓘ |
| hasClimate | humid continental climate ⓘ |
| hasRole | county seat of Montgomery County, Iowa ⓘ |
| historicalRole |
regional agricultural center
ⓘ
regional railroad community ⓘ |
| knownFor |
agricultural economy
ⓘ
railroad history ⓘ |
| locatedIn |
Montgomery County, Iowa
NERFINISHED
ⓘ
United States Midwest ⓘ
linked to:
Midwestern United States
|
| locatedInAdministrativeTerritory |
State of Iowa
ⓘ
linked to:
Iowa
|
| locatedInRegion | Southwestern Iowa ⓘ |
| locatedOn | Nishnabotna River watershed ⓘ |
| partOf |
Iowa
ⓘ
Midwestern United States ⓘ Montgomery County, Iowa NERFINISHED ⓘ |
| postalCode | 51566 ⓘ |
| primaryEconomicSector |
agriculture
ⓘ
rail-related commerce ⓘ |
| timeZone | Central Time Zone ⓘ |
| timeZoneDST |
Central Daylight Time
ⓘ
linked to:
Central Time Zone
|
| timeZoneStandard | Central Standard Time ⓘ |
| transportInfrastructure | served historically by railroad lines ⓘ |
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: Red Oak, Iowa Description of subject: Red Oak, Iowa is a small city in Montgomery County known historically as a regional railroad and agricultural community in southwestern Iowa.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Montgomery County
subject linked to:
Montgomery County
subject linked to:
central Iowa
linked to: Red Oak, Iowa
linked to: Red Oak, Iowa
linked to: Red Oak, Iowa
linked to: Red Oak, Iowa
subject linked to:
U.S. Highway 34 (nearby)