Maple River (Iowa)
E506280
Maple River (Iowa) is a small river in western Iowa that flows through agricultural landscapes before joining the Little Sioux River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Maple River (Iowa) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5250381 — 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: Maple River (Iowa) Context triple: [Little Sioux River, hasTributary, Maple River (Iowa)]
-
A.
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.
-
B.
West Branch Iowa River
The West Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
-
C.
East Branch Iowa River
The East Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
-
D.
Cedar River
The Cedar River is a river in Washington State that flows from the Cascade Range through rural and suburban areas before ultimately feeding into Lake Washington near Seattle.
-
E.
Cedar River
Cedar River is a scenic waterway in the Adirondack region of New York State, known for its forested surroundings and outdoor recreation opportunities such as fishing and paddling.
- 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: Maple River (Iowa) Target entity description: Maple River (Iowa) is a small river in western Iowa that flows through agricultural landscapes before joining the Little Sioux River.
-
A.
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.
-
B.
West Branch Iowa River
The West Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
-
C.
East Branch Iowa River
The East Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
-
D.
Cedar River
The Cedar River is a river in Washington State that flows from the Cascade Range through rural and suburban areas before ultimately feeding into Lake Washington near Seattle.
-
E.
Cedar River
Cedar River is a scenic waterway in the Adirondack region of New York State, known for its forested surroundings and outdoor recreation opportunities such as fishing and paddling.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | United States of America ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| flowsThrough |
Iowa
ⓘ
agricultural landscapes ⓘ |
| hasUse |
agricultural drainage
ⓘ
local wildlife habitat ⓘ |
| locatedIn |
Iowa
ⓘ
western Iowa ⓘ |
| partOf |
Little Sioux River watershed
ⓘ
linked to:
Little Sioux River
|
| region | Midwestern United States ⓘ |
| riverSystem |
Little Sioux River system
ⓘ
linked to:
Little Sioux River
|
| tributaryOf | Little Sioux River ⓘ |
| waterBodyType | small river ⓘ |
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: Maple River (Iowa) Description of subject: Maple River (Iowa) is a small river in western Iowa that flows through agricultural landscapes before joining the Little Sioux River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.