Lower Tunguska River
E401726
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lower Tunguska River canonical | 4 |
| Nizhnyaya Tunguska River | 2 |
| Upper Tunguska River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2886615 — 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: Lower Tunguska River Context triple: [Yenisei River, tributary, Lower Tunguska River]
-
A.
Vetluga River
The Vetluga River is a significant waterway in western Russia that flows through several regions before joining the Volga River.
-
B.
Belaya River
The Belaya River is a major waterway in Russia’s Ural region, known for its scenic valleys and role as an important tributary of the Kama River.
-
C.
Belaya River
The Belaya River is a significant waterway in the North Caucasus region of Russia, known for flowing through the Republic of Adygea and contributing to the Kuban River basin.
-
D.
Upper Angara River
The Upper Angara River is a major Siberian river in Russia that flows through Buryatia and Zabaykalsky Krai before emptying into Lake Baikal.
-
E.
Alma River
The Alma River is a watercourse on the Crimean Peninsula known for flowing through the Crimean Mountains and for being the site of the 1854 Battle of Alma during the Crimean War.
- 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: Lower Tunguska River Target entity description: 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.
-
A.
Vetluga River
The Vetluga River is a significant waterway in western Russia that flows through several regions before joining the Volga River.
-
B.
Belaya River
The Belaya River is a major waterway in Russia’s Ural region, known for its scenic valleys and role as an important tributary of the Kama River.
-
C.
Belaya River
The Belaya River is a significant waterway in the North Caucasus region of Russia, known for flowing through the Republic of Adygea and contributing to the Kuban River basin.
-
D.
Upper Angara River
The Upper Angara River is a major Siberian river in Russia that flows through Buryatia and Zabaykalsky Krai before emptying into Lake Baikal.
-
E.
Alma River
The Alma River is a watercourse on the Crimean Peninsula known for flowing through the Crimean Mountains and for being the site of the 1854 Battle of Alma during the Crimean War.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| averageDischarge | approximately 3600 cubic meters per second ⓘ |
| basinSize | approximately 473000 square kilometers ⓘ |
| climateZone | subarctic ⓘ |
| continent | Asia ⓘ |
| country | Russia ⓘ |
| dischargeLocation | confluence with the Yenisei near Turukhansk ⓘ |
| drainageBasinCountry | Russia ⓘ |
| ecosystem | boreal forest ⓘ |
| flowsThrough |
Irkutsk Oblast
ⓘ
Krasnoyarsk Krai ⓘ
linked to:
Krasnoyarsk Krai, Russia
sparsely populated regions ⓘ taiga ⓘ |
| freezesOver | in winter ⓘ |
| hasFeature |
rapids
ⓘ
rocky channels ⓘ seasonal flooding ⓘ |
| hasTributary |
Chamba River
ⓘ
Erema River ⓘ Ilimpeya River ⓘ Kochechum River ⓘ Ngama River ⓘ Nizhnyaya Tunguska River tributary system ⓘ Tutonchana River ⓘ |
| hydropowerProjectsProposed | Evenk Hydroelectric Power Station ⓘ |
| knownFor |
hydropower potential
ⓘ
proximity to the 1908 Tunguska event site ⓘ remote wilderness ⓘ |
| languageVariant |
Nizhnyaya Tunguska
ⓘ
linked to:
Lower Tunguska
|
| length |
approximately 1853 miles
ⓘ
approximately 2982 kilometers ⓘ |
| locatedIn |
Asian Russia
ⓘ
linked to:
North Asia
Siberia ⓘ |
| mouth | Yenisei River ⓘ |
| mouthElevation | approximately 20 meters ⓘ |
| nameLanguage | Russian ⓘ |
| navigable | in lower reaches during ice-free season ⓘ |
| near |
Tunguska event impact region
ⓘ
linked to:
Tunguska Nature Reserve
|
| partOf |
Arctic Ocean drainage basin
ⓘ
linked to:
Arctic drainage basin
|
| passesNear | Evenki settlements ⓘ |
| region | Central Siberia ⓘ |
| riverSystem |
Yenisei River basin
ⓘ
linked to:
Yenisei River valley
|
| sourceElevation | approximately 500 meters ⓘ |
| sourceRegion |
Central Siberian Plateau
ⓘ
linked to:
Central Siberian Plateau areas
|
| usedFor |
fishing
ⓘ
local river transport ⓘ |
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: Lower Tunguska River Description of subject: 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.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lower Tunguska River
linked to: Lower Tunguska River
subject linked to:
Central Siberian Plateau areas
linked to: Lower Tunguska River