Coteau des Prairies region

E989879 UNEXPLORED

The Coteau des Prairies region is a high, glacially formed plateau of rolling prairies and wetlands spanning parts of eastern South Dakota, southwestern Minnesota, and northwestern Iowa.

Try in SPARQL Jump to: Surface forms Disambiguation Referenced by

All labels observed (4)

Label	Occurrences
Coteau des Prairies	3
Coteau des Prairies (portion)	1
Coteau des Prairies region canonical	1
Pomme de Terre Prairie region	1

How this entity was disambiguated

This entity first appeared as the object of triple T12578062 — 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: Coteau des Prairies region
Context triple: [Marshall County, South Dakota, partOf, Coteau des Prairies region]

A. Rio Grande Plains
The Rio Grande Plains is a semi-arid, brush-covered physiographic region of southern Texas characterized by rolling plains, thorny shrublands, and ranching and oil activities.
B. Llano Estacado
Llano Estacado is a vast, high, and remarkably flat plateau of the southern Great Plains, spanning parts of northwest Texas and eastern New Mexico and known for its stark, semi-arid landscape.
C. Osage Plains
The Osage Plains are a temperate grassland region of the central United States, characterized by rolling prairies and transitional landscapes between the tallgrass prairies to the east and the Great Plains to the west.
D. Great Plains
The Great Plains is a vast, mostly flat grassland region in central North America known for its prairies, agriculture, and continental climate.
E. Northern Great Plain
The Northern Great Plain is a large, predominantly flat agricultural and economic region in eastern Hungary that includes major cities such as Debrecen.
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: Coteau des Prairies region
Target entity description: The Coteau des Prairies region is a high, glacially formed plateau of rolling prairies and wetlands spanning parts of eastern South Dakota, southwestern Minnesota, and northwestern Iowa.

A. Rio Grande Plains
The Rio Grande Plains is a semi-arid, brush-covered physiographic region of southern Texas characterized by rolling plains, thorny shrublands, and ranching and oil activities.
B. Llano Estacado
Llano Estacado is a vast, high, and remarkably flat plateau of the southern Great Plains, spanning parts of northwest Texas and eastern New Mexico and known for its stark, semi-arid landscape.
C. Osage Plains
The Osage Plains are a temperate grassland region of the central United States, characterized by rolling prairies and transitional landscapes between the tallgrass prairies to the east and the Great Plains to the west.
D. Great Plains
The Great Plains is a vast, mostly flat grassland region in central North America known for its prairies, agriculture, and continental climate.
E. Northern Great Plain
The Northern Great Plain is a large, predominantly flat agricultural and economic region in eastern Hungary that includes major cities such as Debrecen.
F. None of above. chosen