Lake Udomlya
E952777
Lake Udomlya is a freshwater lake in Tver Oblast, Russia, known for its proximity to the Kalinin Nuclear Power Plant and for giving its name to the nearby town of Udomlya.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Udomlya canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11783157 — 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 Udomlya Context triple: [Udomlya, namedAfter, Lake Udomlya]
-
A.
Karymskoye Lake
Karymskoye Lake is a small volcanic crater lake in Russia’s Kamchatka Peninsula, known for its location within the highly active Karymsky volcanic complex.
-
B.
Svityaz Lake
Svityaz Lake is the deepest and one of the largest natural lakes in Ukraine, renowned for its clear waters and location within the Shatsk National Nature Park.
-
C.
Lake Pleshcheyevo
Lake Pleshcheyevo is a historic glacial lake in Russia’s Yaroslavl Oblast, famed for its natural beauty, protected national park status, and role as a popular recreation and water sports destination.
-
D.
Lake Valdai
Lake Valdai is a freshwater lake in western Russia known for its scenic surroundings within the Valdai Hills and its inclusion in the Valdaysky National Park.
-
E.
Lake Beloye
Lake Beloye is a large freshwater lake in northwestern Russia known for its role in regional waterways and its location within Vologda Oblast.
- 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 Udomlya Target entity description: Lake Udomlya is a freshwater lake in Tver Oblast, Russia, known for its proximity to the Kalinin Nuclear Power Plant and for giving its name to the nearby town of Udomlya.
-
A.
Karymskoye Lake
Karymskoye Lake is a small volcanic crater lake in Russia’s Kamchatka Peninsula, known for its location within the highly active Karymsky volcanic complex.
-
B.
Svityaz Lake
Svityaz Lake is the deepest and one of the largest natural lakes in Ukraine, renowned for its clear waters and location within the Shatsk National Nature Park.
-
C.
Lake Pleshcheyevo
Lake Pleshcheyevo is a historic glacial lake in Russia’s Yaroslavl Oblast, famed for its natural beauty, protected national park status, and role as a popular recreation and water sports destination.
-
D.
Lake Valdai
Lake Valdai is a freshwater lake in western Russia known for its scenic surroundings within the Valdai Hills and its inclusion in the Valdaysky National Park.
-
E.
Lake Beloye
Lake Beloye is a large freshwater lake in northwestern Russia known for its role in regional waterways and its location within Vologda Oblast.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ |
| basinCountry | Russia ⓘ |
| continent | Europe ⓘ |
| country | Russia ⓘ |
| hasCountrySubdivision | Tver Oblast NERFINISHED ⓘ |
| hasLanguageOfToponym | Russian ⓘ |
| hasNearbyFacility | Kalinin Nuclear Power Plant NERFINISHED ⓘ |
| hasNearbyInfrastructure | railway station Udomlya NERFINISHED ⓘ |
| hasNearbySettlement | Udomlya NERFINISHED ⓘ |
| hasShore | town of Udomlya NERFINISHED ⓘ |
| isInhabitedPlaceNearby | Udomlya NERFINISHED ⓘ |
| locatedIn |
Tver Oblast
NERFINISHED
ⓘ
Udomlya District NERFINISHED ⓘ northwestern part of Tver Oblast ⓘ |
| locatedNear |
Kalinin Nuclear Power Plant
NERFINISHED
ⓘ
Lake Udomlya NERFINISHED ⓘ town of Udomlya ⓘ |
| locatedNorthOf | city of Tver NERFINISHED ⓘ |
| namedAfter |
Lake Udomlya
NERFINISHED
ⓘ
town of Udomlya NERFINISHED ⓘ |
| partOf | drainage basin of the Baltic Sea ⓘ |
| region | Central Federal District NERFINISHED ⓘ |
| usedFor | cooling water supply for Kalinin Nuclear Power Plant ⓘ |
| waterType | freshwater ⓘ |
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 Udomlya Description of subject: Lake Udomlya is a freshwater lake in Tver Oblast, Russia, known for its proximity to the Kalinin Nuclear Power Plant and for giving its name to the nearby town of Udomlya.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.