Tobol River
E438879
The Tobol River is a significant river in Western Siberia and northern Kazakhstan that flows through Russia and Kazakhstan before joining the Ob River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tobol River canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T3079254 — 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: Tobol River Context triple: [Ob River, majorTributary, Tobol River]
-
A.
Chulym River
The Chulym River is a significant waterway in southwestern Siberia, Russia, flowing through the Tomsk and Krasnoyarsk regions before joining the Ob River.
-
B.
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.
-
C.
Abakan River
The Abakan River is a significant river in southern Siberia, Russia, flowing through the Republic of Khakassia and known for its role in regional transport, fishing, and hydropower.
-
D.
Yaik River
The Yaik River is the historical name for the Ural River, a major waterway flowing from the Ural Mountains into the Caspian Sea and marking part of the boundary between Europe and Asia.
-
E.
Irtysh River
The Irtysh River is a major river in Central Asia and Western Siberia that flows through China, Kazakhstan, and Russia before joining the Ob River.
- 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: Tobol River Target entity description: The Tobol River is a significant river in Western Siberia and northern Kazakhstan that flows through Russia and Kazakhstan before joining the Ob River.
-
A.
Chulym River
The Chulym River is a significant waterway in southwestern Siberia, Russia, flowing through the Tomsk and Krasnoyarsk regions before joining the Ob River.
-
B.
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.
-
C.
Abakan River
The Abakan River is a significant river in southern Siberia, Russia, flowing through the Republic of Khakassia and known for its role in regional transport, fishing, and hydropower.
-
D.
Yaik River
The Yaik River is the historical name for the Ural River, a major waterway flowing from the Ural Mountains into the Caspian Sea and marking part of the boundary between Europe and Asia.
-
E.
Irtysh River
The Irtysh River is a major river in Central Asia and Western Siberia that flows through China, Kazakhstan, and Russia before joining the Ob River.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| averageDischarge | 802 m³/s ⓘ |
| basinSize | 426000 km² ⓘ |
| continent | Asia ⓘ |
| country |
Kazakhstan
ⓘ
Russia ⓘ |
| dischargeLocation | Irtysh River at Tobolsk NERFINISHED ⓘ |
| flowsThrough |
Kostanay
NERFINISHED
ⓘ
Kostanay Region NERFINISHED ⓘ Kurgan NERFINISHED ⓘ Kurgan Oblast NERFINISHED ⓘ Lisakovsk NERFINISHED ⓘ North Kazakhstan Region NERFINISHED ⓘ Rudny NERFINISHED ⓘ Tobolsk NERFINISHED ⓘ Tyumen Oblast NERFINISHED ⓘ |
| freezesIn | November ⓘ |
| hasCityOnBank |
Kostanay
NERFINISHED
ⓘ
Kurgan NERFINISHED ⓘ Lisakovsk NERFINISHED ⓘ Rudny NERFINISHED ⓘ Tobolsk NERFINISHED ⓘ |
| hasEconomicImportance |
agriculture
ⓘ
fisheries ⓘ regional transportation ⓘ |
| length | 1591 km ⓘ |
| locatedIn |
Northern Kazakhstan
NERFINISHED
ⓘ
Western Siberia NERFINISHED ⓘ |
| locatedInTimeZone |
UTC+5
ⓘ
UTC+6 ⓘ |
| majorTributary |
Iset River
NERFINISHED
ⓘ
Tavda River NERFINISHED ⓘ Tobol’skaya Tura River NERFINISHED ⓘ Ubagan River NERFINISHED ⓘ Uy River NERFINISHED ⓘ |
| mouth | Irtysh River NERFINISHED ⓘ |
| mouthCountry | Russia NERFINISHED ⓘ |
| mouthLocatedIn | Tobolsk NERFINISHED ⓘ |
| partOf | Ob River basin NERFINISHED ⓘ |
| riverSystem | Ob River system NERFINISHED ⓘ |
| sourceRegion | Kurgan Oblast NERFINISHED ⓘ |
| thawsIn | April ⓘ |
| tributaryOf | Irtysh River NERFINISHED ⓘ |
| tributaryType | left tributary of the Irtysh River ⓘ |
| usedFor |
hydroelectric power
ⓘ
irrigation ⓘ navigation ⓘ water supply ⓘ |
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: Tobol River Description of subject: The Tobol River is a significant river in Western Siberia and northern Kazakhstan that flows through Russia and Kazakhstan before joining the Ob River.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.