West Nishnabotna River
E354573
The West Nishnabotna River is a tributary of the Nishnabotna River in southwestern Iowa, known for its meandering course through agricultural landscapes and small towns.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nishnabotna River | 3 |
| West Nishnabotna River canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1251421 — 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: West Nishnabotna River Context triple: [Oakland, Iowa, locatedOnRiver, West Nishnabotna River]
-
A.
Pistol River
Pistol River is a coastal stream in southwestern Oregon known for its scenic estuary, beaches, and windsurfing conditions along the Pacific Ocean.
-
B.
Reedy River
Reedy River is a scenic waterway in upstate South Carolina known for flowing through downtown Greenville and anchoring the popular Falls Park on the Reedy.
-
C.
Wilga River
The Wilga River is a small river in southern Poland that flows through the Lesser Poland region and passes near the town of Wieliczka before joining the Vistula.
-
D.
Oldman River
The Oldman River is a major waterway in southwestern Alberta, Canada, known for its role in regional irrigation, hydroelectric power, and recreation before joining the South Saskatchewan River system.
-
E.
Skipanon River
The Skipanon River is a small coastal river in northwestern Oregon that flows through Clatsop County into the Columbia River near the Pacific Ocean.
- 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: West Nishnabotna River Target entity description: The West Nishnabotna River is a tributary of the Nishnabotna River in southwestern Iowa, known for its meandering course through agricultural landscapes and small towns.
-
A.
Pistol River
Pistol River is a coastal stream in southwestern Oregon known for its scenic estuary, beaches, and windsurfing conditions along the Pacific Ocean.
-
B.
Reedy River
Reedy River is a scenic waterway in upstate South Carolina known for flowing through downtown Greenville and anchoring the popular Falls Park on the Reedy.
-
C.
Wilga River
The Wilga River is a small river in southern Poland that flows through the Lesser Poland region and passes near the town of Wieliczka before joining the Vistula.
-
D.
Oldman River
The Oldman River is a major waterway in southwestern Alberta, Canada, known for its role in regional irrigation, hydroelectric power, and recreation before joining the South Saskatchewan River system.
-
E.
Skipanon River
The Skipanon River is a small coastal river in northwestern Oregon that flows through Clatsop County into the Columbia River near the Pacific Ocean.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageBasinLandUse | agriculture ⓘ |
| flowsGenerallyToward |
south
ⓘ
southeast ⓘ |
| flowsThrough |
Atlantic, Iowa
ⓘ
Cass County, Iowa NERFINISHED ⓘ Fremont County, Iowa NERFINISHED ⓘ Harlan, Iowa ⓘ Montgomery County, Iowa NERFINISHED ⓘ Page County, Iowa NERFINISHED ⓘ Pottawattamie County, Iowa NERFINISHED ⓘ Red Oak, Iowa ⓘ Shelby County, Iowa NERFINISHED ⓘ Shenandoah, Iowa ⓘ agricultural landscapes ⓘ small towns ⓘ |
| hasFloodRisk | yes ⓘ |
| hasMouth |
West Nishnabotna River
self-linksurface differs
ⓘ
surface form:
Nishnabotna River
|
| hasNameLanguage | English ⓘ |
| hasRecreationAccess | public access points ⓘ |
| hasRiparianZone |
agricultural land
ⓘ
small town settlements ⓘ |
| hasWatershed | West Nishnabotna River watershed ⓘ |
| hasWaterType | freshwater ⓘ |
| isInEcoregion |
Corn Belt
ⓘ
surface form:
Corn Belt Plains
|
| isManagedBy |
Iowa
ⓘ
surface form:
State of Iowa
|
| isNorthOf | Missouri River ⓘ |
| isPartOf | Iowa river network ⓘ |
| isSubjectOf | local conservation efforts ⓘ |
| isTributaryIn | Missouri River basin ⓘ |
| locatedIn | Iowa ⓘ |
| locatedInHydrologicRegion | Midwestern United States ⓘ |
| locatedInRegion | southwestern Iowa ⓘ |
| mouthLocatedIn |
Southwestern Iowa
ⓘ
surface form:
southwestern Iowa
|
| partOf |
Missouri River Basin
ⓘ
surface form:
Missouri River watershed
Nishnabotna River watershed ⓘ
surface form:
Nishnabotna River system
|
| tributaryOf |
West Nishnabotna River
self-linksurface differs
ⓘ
surface form:
Nishnabotna River
|
| usedFor |
canoeing
ⓘ
fishing ⓘ kayaking ⓘ recreation ⓘ |
| watercourseShape | meandering ⓘ |
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: West Nishnabotna River Description of subject: The West Nishnabotna River is a tributary of the Nishnabotna River in southwestern Iowa, known for its meandering course through agricultural landscapes and small towns.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Western Iowa
this entity surface form:
Nishnabotna River
this entity surface form:
Nishnabotna River
this entity surface form:
Nishnabotna River