Matachewan River system
E1556807
UNEXPLORED
The Matachewan River system is a network of rivers and waterways in northeastern Ontario, Canada, that drains a largely forested and sparsely populated landscape.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Matachewan River system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22833008 — 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: Matachewan River system Context triple: [Matachewan, adjacentTo, Matachewan River system]
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A.
Ulla River system
The Ulla River system is a major river basin in northwestern Spain that drains much of Galicia into the Atlantic Ocean, supporting important ecological habitats and regional water use.
-
B.
Ondava River system
The Ondava River system is a network of rivers and streams in eastern Slovakia that drains part of the Carpathian region and ultimately contributes to the Bodrog and Tisza river basins.
-
C.
Trysilelva river system
The Trysilelva river system is a major river network in eastern Norway that drains large inland areas before continuing into Sweden as part of the Klarälven–Göta älv watercourse.
-
D.
Matawin River
The Matawin River is a significant waterway in Quebec, Canada, known for its forested watershed, recreational activities like canoeing and fishing, and its role in regional hydroelectric development.
-
E.
Acelhuate River
The Acelhuate River is a major waterway flowing through San Salvador, El Salvador, known for its environmental challenges and role in the city's drainage system.
- 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: Matachewan River system Target entity description: The Matachewan River system is a network of rivers and waterways in northeastern Ontario, Canada, that drains a largely forested and sparsely populated landscape.
-
A.
Ulla River system
The Ulla River system is a major river basin in northwestern Spain that drains much of Galicia into the Atlantic Ocean, supporting important ecological habitats and regional water use.
-
B.
Ondava River system
The Ondava River system is a network of rivers and streams in eastern Slovakia that drains part of the Carpathian region and ultimately contributes to the Bodrog and Tisza river basins.
-
C.
Trysilelva river system
The Trysilelva river system is a major river network in eastern Norway that drains large inland areas before continuing into Sweden as part of the Klarälven–Göta älv watercourse.
-
D.
Matawin River
The Matawin River is a significant waterway in Quebec, Canada, known for its forested watershed, recreational activities like canoeing and fishing, and its role in regional hydroelectric development.
-
E.
Acelhuate River
The Acelhuate River is a major waterway flowing through San Salvador, El Salvador, known for its environmental challenges and role in the city's drainage system.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.