Indigirka River
E496375
The Indigirka River is a major river in northeastern Siberia that flows through the Sakha Republic to the Arctic Ocean, known for its remote, harsh environment and extensive permafrost landscapes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Indigirka River canonical | 3 |
| Indigirka River basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4719816 — 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: Indigirka River Context triple: [Yakutia, containsRiver, Indigirka River]
-
A.
Anadyr River
The Anadyr River is a major waterway in Russia’s far northeastern Chukotka region, flowing through remote Arctic landscapes into the Gulf of Anadyr in the Bering Sea.
-
B.
Vilyuy River
The Vilyuy River is a major tributary of the Lena River in eastern Siberia, flowing through the Sakha Republic and known for its remote taiga landscapes and nearby diamond-mining regions.
-
C.
Olenyok River
The Olenyok River is a major river in northern Siberia, Russia, flowing through remote Arctic regions before emptying into the Laptev Sea.
-
D.
Tana
Tana was a medieval Genoese trading colony and port on the Sea of Azov that served as a key hub for commerce between Europe and Asia.
-
E.
Yenisei River
The Yenisei River is one of the longest rivers in Asia, flowing northward through Siberia to the Arctic Ocean and forming a major part of the central Eurasian 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: Indigirka River Target entity description: The Indigirka River is a major river in northeastern Siberia that flows through the Sakha Republic to the Arctic Ocean, known for its remote, harsh environment and extensive permafrost landscapes.
-
A.
Anadyr River
The Anadyr River is a major waterway in Russia’s far northeastern Chukotka region, flowing through remote Arctic landscapes into the Gulf of Anadyr in the Bering Sea.
-
B.
Vilyuy River
The Vilyuy River is a major tributary of the Lena River in eastern Siberia, flowing through the Sakha Republic and known for its remote taiga landscapes and nearby diamond-mining regions.
-
C.
Olenyok River
The Olenyok River is a major river in northern Siberia, Russia, flowing through remote Arctic regions before emptying into the Laptev Sea.
-
D.
Tana
Tana was a medieval Genoese trading colony and port on the Sea of Azov that served as a key hub for commerce between Europe and Asia.
-
E.
Yenisei River
The Yenisei River is one of the longest rivers in Asia, flowing northward through Siberia to the Arctic Ocean and forming a major part of the central Eurasian river system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| averageDischarge | approximately 1800 cubic meters per second ⓘ |
| basinSize |
approximately 118000 square miles
ⓘ
approximately 305000 square kilometers ⓘ |
| climate | subarctic climate ⓘ |
| continent | Asia ⓘ |
| country | Russia ⓘ |
| delta | Indigirka River delta ⓘ |
| deltaFeature |
lakes
ⓘ
marshes ⓘ numerous channels ⓘ |
| deltaLocation | East Siberian Sea coast NERFINISHED ⓘ |
| dischargeLocation | near river mouth ⓘ |
| drainageBasin | East Siberian Sea drainage basin ⓘ |
| economicActivity |
fishing
ⓘ
fur trapping ⓘ reindeer herding in basin ⓘ |
| environment |
harsh climate
ⓘ
permafrost region ⓘ remote region ⓘ |
| flowsInto | Arctic Ocean NERFINISHED ⓘ |
| flowsThrough |
Abyysky District
NERFINISHED
ⓘ
Moma District NERFINISHED ⓘ Nizhnekolymsky District NERFINISHED ⓘ Oymyakon District NERFINISHED ⓘ |
| freezingPeriod | October to late May ⓘ |
| historicalUse | Gulag labor camps region ⓘ |
| icebound | most of the year ⓘ |
| knownFor |
extensive permafrost landscapes
ⓘ
extreme cold temperatures in basin ⓘ |
| length |
approximately 1073 miles
ⓘ
approximately 1726 km ⓘ |
| locatedIn |
Sakha Republic
NERFINISHED
ⓘ
northeastern Siberia ⓘ |
| majorTributary |
Allaikha River
NERFINISHED
ⓘ
Bolshaya Ercha River NERFINISHED ⓘ Kyuyente River NERFINISHED ⓘ Moma River NERFINISHED ⓘ Selennyakh River NERFINISHED ⓘ |
| mouth | East Siberian Sea NERFINISHED ⓘ |
| nearbySettlement |
Chokurdakh
NERFINISHED
ⓘ
Oymyakon NERFINISHED ⓘ Ust-Nera NERFINISHED ⓘ |
| partOf | Russian Far East NERFINISHED ⓘ |
| riverMouthLocatedIn | East Siberian Sea NERFINISHED ⓘ |
| riverSystem | Arctic Ocean basin NERFINISHED ⓘ |
| sourceRegion |
Chersky Range
NERFINISHED
ⓘ
Verkhoyansk Range NERFINISHED ⓘ |
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: Indigirka River Description of subject: The Indigirka River is a major river in northeastern Siberia that flows through the Sakha Republic to the Arctic Ocean, known for its remote, harsh environment and extensive permafrost landscapes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Indigirka River basin
subject surface form:
Yana-Indigirka Lowland