Lake Baikal
E56001
Lake Baikal is a massive rift lake in Siberia renowned as the world's deepest and oldest freshwater lake, containing about one-fifth of the planet's unfrozen surface fresh water.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lake Baikal canonical | 39 |
| Lake Baikal basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T436043 — 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: Lake Baikal Context triple: [Russia, hasLake, Lake Baikal]
-
A.
Lake Velence
Lake Velence is one of Hungary’s largest natural lakes, known as a popular resort and recreation area in the Transdanubian region.
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B.
Lake Ladoga
Lake Ladoga is a vast freshwater lake in northwestern Russia, renowned as the largest lake in Europe and an important ecological and historical region.
-
C.
Ligeia Mare
Ligeia Mare is one of the largest known hydrocarbon seas on Saturn’s moon Titan, composed primarily of liquid methane and ethane.
-
D.
Rybinsk Reservoir
Rybinsk Reservoir is a large artificial lake in Russia, created by damming the Volga and several tributaries, and is one of the country’s largest and historically most significant reservoirs.
-
E.
Aral Sea
The Aral Sea is a largely dried-up endorheic lake in Central Asia, once one of the world’s largest inland bodies of water and now a symbol of severe environmental degradation caused by river diversion.
- 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: Lake Baikal Target entity description: Lake Baikal is a massive rift lake in Siberia renowned as the world's deepest and oldest freshwater lake, containing about one-fifth of the planet's unfrozen surface fresh water.
-
A.
Lake Velence
Lake Velence is one of Hungary’s largest natural lakes, known as a popular resort and recreation area in the Transdanubian region.
-
B.
Lake Ladoga
Lake Ladoga is a vast freshwater lake in northwestern Russia, renowned as the largest lake in Europe and an important ecological and historical region.
-
C.
Ligeia Mare
Ligeia Mare is one of the largest known hydrocarbon seas on Saturn’s moon Titan, composed primarily of liquid methane and ethane.
-
D.
Rybinsk Reservoir
Rybinsk Reservoir is a large artificial lake in Russia, created by damming the Volga and several tributaries, and is one of the country’s largest and historically most significant reservoirs.
-
E.
Aral Sea
The Aral Sea is a largely dried-up endorheic lake in Central Asia, once one of the world’s largest inland bodies of water and now a symbol of severe environmental degradation caused by river diversion.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
World Heritage Site
ⓘ
freshwater lake ⓘ natural heritage site ⓘ rift lake ⓘ |
| age | approximately 25 million years ⓘ |
| averageDepth | 744 meters ⓘ |
| basinCountry | Russia ⓘ |
| climate | continental climate ⓘ |
| continent | Asia ⓘ |
| country | Russia ⓘ |
| culturalSignificance | sacred site for local indigenous peoples ⓘ |
| drainageBasinArea | about 570,000 square kilometers ⓘ |
| freezingPeriod | typically freezes from January to May ⓘ |
| hasEndemism | high level of endemic species ⓘ |
| hasIsland | Olkhon Island ⓘ |
| hasSpecies |
Baikal seal
ⓘ
omul whitefish ⓘ |
| inflow |
Barguzin River
ⓘ
Selenga River ⓘ Snezhnaya River ⓘ Turka River ⓘ Tyya River ⓘ Upper Angara River ⓘ |
| knownFor |
being the deepest freshwater lake in the world
ⓘ
being the oldest freshwater lake in the world ⓘ containing about one-fifth of the world’s unfrozen surface fresh water ⓘ |
| largestIsland | Olkhon Island ⓘ |
| length | approximately 636 kilometers ⓘ |
| locatedIn |
Irkutsk Oblast
ⓘ
Republic of Buryatia ⓘ Siberia ⓘ |
| locatedOn |
Baikal Rift Zone
ⓘ
surface form:
Baikal Rift
|
| maximumDepth | 1642 meters ⓘ |
| outflow | Angara River ⓘ |
| partOf | Baikal Rift Zone ⓘ |
| protectedStatus | UNESCO World Heritage Site ⓘ |
| region | Eastern Siberia ⓘ |
| salinity | very low ⓘ |
| surfaceArea | about 31,500 square kilometers ⓘ |
| surfaceElevation | about 455 meters above sea level ⓘ |
| tectonicOrigin | continental rift ⓘ |
| threat |
climate change
ⓘ
industrial pollution ⓘ |
| tourism | major ecotourism destination ⓘ |
| UNESCOInscriptionYear | 1996 ⓘ |
| waterClarity | very high transparency ⓘ |
| waterType | freshwater ⓘ |
| waterVolume | about 23,600 cubic kilometers ⓘ |
| width | up to about 79 kilometers ⓘ |
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: Lake Baikal Description of subject: Lake Baikal is a massive rift lake in Siberia renowned as the world's deepest and oldest freshwater lake, containing about one-fifth of the planet's unfrozen surface fresh water.
Referenced by (40)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lake Baikal basin
subject surface form:
Irkutsk
subject surface form:
Pusa sibirica