Ulla River system
E1481133
UNEXPLORED
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ulla River system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21342463 — 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: Ulla River system Context triple: [Sar River, hydrologicalSystem, Ulla River system]
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A.
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.
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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.
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C.
Elde river system
The Elde river system is a network of rivers and lakes in northeastern Germany that drains much of the Mecklenburg Lake District before flowing into the Elbe.
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D.
Reisa river system
The Reisa river system is a network of rivers and tributaries in northern Norway centered around the Reisaelva, known for its deep canyon landscapes, salmon fishing, and scenic wilderness.
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E.
Ulla River
Ulla River is a tributary watercourse in Eastern Europe that feeds into the larger Daugava River 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: Ulla River system Target entity description: 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.
-
A.
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.
-
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.
Elde river system
The Elde river system is a network of rivers and lakes in northeastern Germany that drains much of the Mecklenburg Lake District before flowing into the Elbe.
-
D.
Reisa river system
The Reisa river system is a network of rivers and tributaries in northern Norway centered around the Reisaelva, known for its deep canyon landscapes, salmon fishing, and scenic wilderness.
-
E.
Ulla River
Ulla River is a tributary watercourse in Eastern Europe that feeds into the larger Daugava River system.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.