Nikolai Ulyanov
E477874
Nikolai Ulyanov was a Russian revolutionary and the younger brother of Vladimir Lenin, involved in early Marxist circles in late 19th-century Russia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nikolai Ulyanov canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4818589 — 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: Nikolai Ulyanov Context triple: [Alexander Ulyanov, sibling, Nikolai Ulyanov]
-
A.
Alexander Ulyanov
Alexander Ulyanov was a Russian revolutionary and older brother of Vladimir Lenin, best known for his involvement in a failed plot to assassinate Tsar Alexander III, for which he was executed in 1887.
-
B.
Ilya Ulyanov
Ilya Ulyanov was a Russian educator and civil servant best known as the father of revolutionary leader Vladimir Lenin.
-
C.
Dmitry Ulyanov
Dmitry Ulyanov was a Russian revolutionary and physician, best known as the younger brother of Vladimir Lenin and an active participant in the Bolshevik movement.
-
D.
Vladimir Lenin
Vladimir Lenin was a Russian revolutionary leader, Marxist theorist, and the founding head of the Soviet state who played a central role in the 1917 Bolshevik Revolution.
-
E.
Andrei Sverdlov
Andrei Sverdlov was the son of prominent Bolshevik leader Yakov Sverdlov and a Soviet figure whose life was closely tied to the legacy of his revolutionary family.
- 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: Nikolai Ulyanov Target entity description: Nikolai Ulyanov was a Russian revolutionary and the younger brother of Vladimir Lenin, involved in early Marxist circles in late 19th-century Russia.
-
A.
Alexander Ulyanov
Alexander Ulyanov was a Russian revolutionary and older brother of Vladimir Lenin, best known for his involvement in a failed plot to assassinate Tsar Alexander III, for which he was executed in 1887.
-
B.
Ilya Ulyanov
Ilya Ulyanov was a Russian educator and civil servant best known as the father of revolutionary leader Vladimir Lenin.
-
C.
Dmitry Ulyanov
Dmitry Ulyanov was a Russian revolutionary and physician, best known as the younger brother of Vladimir Lenin and an active participant in the Bolshevik movement.
-
D.
Vladimir Lenin
Vladimir Lenin was a Russian revolutionary leader, Marxist theorist, and the founding head of the Soviet state who played a central role in the 1917 Bolshevik Revolution.
-
E.
Andrei Sverdlov
Andrei Sverdlov was the son of prominent Bolshevik leader Yakov Sverdlov and a Soviet figure whose life was closely tied to the legacy of his revolutionary family.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Russian revolutionary
ⓘ
human ⓘ |
| activeIn | late 19th-century Russia ⓘ |
| affiliation | Russian revolutionary underground ⓘ |
| countryOfCitizenship | Russian Empire ⓘ |
| era | late 19th century ⓘ |
| ethnicGroup | Russian ⓘ |
| familyName | Ulyanov ⓘ |
| fieldOfWork |
Marxist agitation
ⓘ
revolutionary politics ⓘ |
| givenName |
Nikolai
ⓘ
linked to:
Nikolay
|
| hasGender | male ⓘ |
| ideology | Marxism ⓘ |
| languageOfWorkOrName | Russian ⓘ |
| memberOf | early Marxist circles in the Russian Empire ⓘ |
| movement | Marxism ⓘ |
| notableFor |
being the younger brother of Vladimir Lenin
ⓘ
participation in early Marxist circles in Russia ⓘ |
| opposedTo | autocracy in the Russian Empire ⓘ |
| partOf | Russian revolutionary movement ⓘ |
| placeOfActivity | Russian Empire ⓘ |
| politicalAlignment | revolutionary socialist ⓘ |
| relative | Vladimir Lenin ⓘ |
| residence | Russian Empire ⓘ |
| sibling | Vladimir Lenin ⓘ |
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: Nikolai Ulyanov Description of subject: Nikolai Ulyanov was a Russian revolutionary and the younger brother of Vladimir Lenin, involved in early Marxist circles in late 19th-century Russia.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.