Lev Ivanov
E446039
Lev Ivanov was a Russian ballet dancer and choreographer best known for co-choreographing classics like Swan Lake and The Nutcracker for the Imperial Russian Ballet.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lev Ivanov canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T1922357 — 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: Lev Ivanov Context triple: [The Nutcracker (Balanchine version), influencedBy, Lev Ivanov]
-
A.
Vyacheslav Ivanov
Vyacheslav Ivanov is a Soviet rower renowned for winning three consecutive Olympic gold medals in single sculls from 1956 to 1964.
-
B.
Vasiliy Fet
Vasiliy Fet is a tough, resourceful exterminator-turned-vampire hunter in the horror television series "The Strain."
-
C.
Aleksei Tsvetayev
Aleksei Tsvetayev was a Soviet military officer and general who served in the Red Army during World War II.
-
D.
Nikolai Podvoisky
Nikolai Podvoisky was a Bolshevik revolutionary and Soviet political figure who played a key role in organizing the October Revolution and early Red Army structures.
-
E.
Sergey Rozanov
Sergey Rozanov was a Russian military leader who served as a prominent White Army commander during the Russian Civil 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: Lev Ivanov Target entity description: Lev Ivanov was a Russian ballet dancer and choreographer best known for co-choreographing classics like Swan Lake and The Nutcracker for the Imperial Russian Ballet.
-
A.
Vyacheslav Ivanov
Vyacheslav Ivanov is a Soviet rower renowned for winning three consecutive Olympic gold medals in single sculls from 1956 to 1964.
-
B.
Vasiliy Fet
Vasiliy Fet is a tough, resourceful exterminator-turned-vampire hunter in the horror television series "The Strain."
-
C.
Aleksei Tsvetayev
Aleksei Tsvetayev was a Soviet military officer and general who served in the Red Army during World War II.
-
D.
Nikolai Podvoisky
Nikolai Podvoisky was a Bolshevik revolutionary and Soviet political figure who played a key role in organizing the October Revolution and early Red Army structures.
-
E.
Sergey Rozanov
Sergey Rozanov was a Russian military leader who served as a prominent White Army commander during the Russian Civil War.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
ballet choreographer
ⓘ
ballet dancer ⓘ human ⓘ |
| artisticDiscipline |
choreography
ⓘ
classical dance ⓘ |
| coChoreographed |
Swan Lake
NERFINISHED
ⓘ
The Nutcracker NERFINISHED ⓘ |
| collaboratedWith | Marius Petipa NERFINISHED ⓘ |
| countryOfCitizenship | Russian Empire ⓘ |
| employer |
Imperial Russian Ballet
NERFINISHED
ⓘ
Mariinsky Theatre NERFINISHED ⓘ |
| familyName | Ivanov NERFINISHED ⓘ |
| fieldOfWork |
ballet
ⓘ
performing arts ⓘ |
| genre | classical ballet ⓘ |
| givenName | Lev NERFINISHED ⓘ |
| hasRole |
ballet master
ⓘ
choreographer of classical repertoire ⓘ |
| influenced | 20th-century classical ballet ⓘ |
| languageOfWorkOrName | Russian ⓘ |
| movement | Imperial Russian ballet NERFINISHED ⓘ |
| name | Lev Ivanov NERFINISHED ⓘ |
| nationality | Russian ⓘ |
| notableFor |
co-choreographing Swan Lake
ⓘ
co-choreographing The Nutcracker ⓘ |
| notableWork |
Swan Lake
NERFINISHED
ⓘ
The Nutcracker NERFINISHED ⓘ |
| occupation |
ballet choreographer
ⓘ
ballet dancer ⓘ |
| partOf | Imperial Russian Ballet tradition NERFINISHED ⓘ |
| workLocation | Saint Petersburg 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: Lev Ivanov Description of subject: Lev Ivanov was a Russian ballet dancer and choreographer best known for co-choreographing classics like Swan Lake and The Nutcracker for the Imperial Russian Ballet.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Swan Lake