Irtysh River at Tobolsk
E1318792
UNEXPLORED
The Irtysh River at Tobolsk is a major Siberian waterway segment where the Tobol River joins the Irtysh near the historic Russian city of Tobolsk.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Irtysh River at Tobolsk canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18321082 — 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: Irtysh River at Tobolsk Context triple: [Tobol River, dischargeLocation, Irtysh River at Tobolsk]
-
A.
Lower Tunguska River
The Lower Tunguska River is a major river in Siberia, Russia, known for flowing through remote taiga regions and for its proximity to the site of the 1908 Tunguska event.
-
B.
Tobol River
The Tobol River is a significant river in Western Siberia and northern Kazakhstan that flows through Russia and Kazakhstan before joining the Ob River.
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C.
Bolshoy Ik River
The Bolshoy Ik River is a tributary watercourse in Russia that feeds into the larger Sakmara River system.
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D.
Bolshaya Kokshaga River
The Bolshaya Kokshaga River is a significant waterway in central Russia that flows through the Mari El Republic before emptying into the Volga River.
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E.
Ugra River
The Ugra River is a historically significant river in western Russia, known as the site of the 1480 "Great Stand on the Ugra River" that marked the end of Mongol-Tatar dominance over Moscow.
- 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: Irtysh River at Tobolsk Target entity description: The Irtysh River at Tobolsk is a major Siberian waterway segment where the Tobol River joins the Irtysh near the historic Russian city of Tobolsk.
-
A.
Lower Tunguska River
The Lower Tunguska River is a major river in Siberia, Russia, known for flowing through remote taiga regions and for its proximity to the site of the 1908 Tunguska event.
-
B.
Tobol River
The Tobol River is a significant river in Western Siberia and northern Kazakhstan that flows through Russia and Kazakhstan before joining the Ob River.
-
C.
Bolshoy Ik River
The Bolshoy Ik River is a tributary watercourse in Russia that feeds into the larger Sakmara River system.
-
D.
Bolshaya Kokshaga River
The Bolshaya Kokshaga River is a significant waterway in central Russia that flows through the Mari El Republic before emptying into the Volga River.
-
E.
Ugra River
The Ugra River is a historically significant river in western Russia, known as the site of the 1480 "Great Stand on the Ugra River" that marked the end of Mongol-Tatar dominance over Moscow.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.