Missouri Valley, Iowa
E191483
Missouri Valley is a small city in western Iowa that serves as the largest community in Harrison County and a local hub for the surrounding rural area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Missouri Valley, Iowa canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1487382 — 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: Missouri Valley, Iowa Context triple: [Harrison County, Iowa, largestCity, Missouri Valley, Iowa]
-
A.
Des Moines River
The Des Moines River is a major tributary of the Mississippi River that flows through Iowa and Minnesota, playing a central role in the geography and history of Des Moines and the surrounding region.
-
B.
Iowa River
The Iowa River is a major waterway in the U.S. state of Iowa that flows generally southeastward and ultimately joins the Mississippi River.
-
C.
Minnesota River
The Minnesota River is a major tributary of the Mississippi River in southern Minnesota, flowing through agricultural and prairie landscapes before joining the Mississippi near the Twin Cities.
-
D.
Raccoon River
The Raccoon River is a central Iowa waterway that flows through the Des Moines area and serves as a major source of the city's drinking water and recreation.
-
E.
Kansas River
The Kansas River is a major river in northeastern Kansas that flows eastward to join the Missouri River, forming an important waterway and watershed in the central United States.
- 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: Missouri Valley, Iowa Target entity description: Missouri Valley is a small city in western Iowa that serves as the largest community in Harrison County and a local hub for the surrounding rural area.
-
A.
Des Moines River
The Des Moines River is a major tributary of the Mississippi River that flows through Iowa and Minnesota, playing a central role in the geography and history of Des Moines and the surrounding region.
-
B.
Iowa River
The Iowa River is a major waterway in the U.S. state of Iowa that flows generally southeastward and ultimately joins the Mississippi River.
-
C.
Minnesota River
The Minnesota River is a major tributary of the Mississippi River in southern Minnesota, flowing through agricultural and prairie landscapes before joining the Mississippi near the Twin Cities.
-
D.
Raccoon River
The Raccoon River is a central Iowa waterway that flows through the Des Moines area and serves as a major source of the city's drinking water and recreation.
-
E.
Kansas River
The Kansas River is a major river in northeastern Kansas that flows eastward to join the Missouri River, forming an important waterway and watershed in the central United States.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
human settlement ⓘ |
| areaCode | 712 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision | Harrison County, Iowa NERFINISHED ⓘ |
| county | Harrison County, Iowa NERFINISHED ⓘ |
| elevationInFeet | 1060 ⓘ |
| FIPSCode | 19-53665 ⓘ |
| GNISFeatureID | 0459112 ⓘ |
| hasFeature |
agricultural service center
ⓘ
historic downtown district ⓘ proximity to Loess Hills ⓘ |
| hasGovernmentType | mayor–council government ⓘ |
| hasPostalCode | 51555 ⓘ |
| hasSchoolDistrict | Missouri Valley Community School District ⓘ |
| hasTransportation |
Interstate 29
NERFINISHED
ⓘ
U.S. Route 30 ⓘ U.S. Route 30 Business ⓘ |
| isCountySeatOf | Harrison County, Iowa NERFINISHED ⓘ |
| largestCityOf | Harrison County, Iowa NERFINISHED ⓘ |
| locatedIn |
Harrison County, Iowa
ⓘ
surface form:
Harrison County, Iowa micropolitan area
Midwestern United States ⓘ western Iowa ⓘ |
| locatedNear |
Missouri River
ⓘ
Omaha–Council Bluffs metropolitan area ⓘ
surface form:
Omaha metropolitan area
|
| namedAfter |
Missouri River corridor
ⓘ
surface form:
Missouri River valley
|
| role | local hub for surrounding rural area ⓘ |
| 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: Missouri Valley, Iowa Description of subject: Missouri Valley is a small city in western Iowa that serves as the largest community in Harrison County and a local hub for the surrounding rural area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Harrison County, Iowa