Alexei Leonov
E178167
Alexei Leonov was a Soviet cosmonaut famed for performing the first spacewalk in history and later becoming a prominent figure in space exploration and its public outreach.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Alexei Leonov canonical | 25 |
| Alexei Arkhipovich Leonov | 1 |
| Alexei Leonov became first human spacewalker | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1555571 — 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: Alexei Leonov Context triple: [Stephen Hawking Medal for Science Communication, notableRecipient, Alexei Leonov]
-
A.
Yuri Gagarin
Yuri Gagarin was a Soviet cosmonaut who became the first human to journey into outer space, orbiting Earth on 12 April 1961 and becoming an international symbol of the Space Age.
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B.
Vladimir Leontyevich Komarov
Vladimir Leontyevich Komarov was a Russian scientist known for his contributions to microbiology and the study of microbial communities (microbiota).
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C.
Oleksandr Kornienko
Oleksandr Kornienko is a Ukrainian politician who has held senior leadership roles in the Servant of the People party and in Ukraine’s parliament.
-
D.
Sergei Korolev
Sergei Korolev was the pioneering Soviet rocket engineer and chief designer who led the USSR’s early space program, including the launch of the first artificial satellite and the first human in space.
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E.
William Anders
William Anders was a U.S. Air Force major general and Apollo 8 astronaut best known for taking the iconic "Earthrise" photograph during humanity’s first crewed orbit of the Moon.
- 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: Alexei Leonov Target entity description: Alexei Leonov was a Soviet cosmonaut famed for performing the first spacewalk in history and later becoming a prominent figure in space exploration and its public outreach.
-
A.
Yuri Gagarin
Yuri Gagarin was a Soviet cosmonaut who became the first human to journey into outer space, orbiting Earth on 12 April 1961 and becoming an international symbol of the Space Age.
-
B.
Vladimir Leontyevich Komarov
Vladimir Leontyevich Komarov was a Russian scientist known for his contributions to microbiology and the study of microbial communities (microbiota).
-
C.
Oleksandr Kornienko
Oleksandr Kornienko is a Ukrainian politician who has held senior leadership roles in the Servant of the People party and in Ukraine’s parliament.
-
D.
Sergei Korolev
Sergei Korolev was the pioneering Soviet rocket engineer and chief designer who led the USSR’s early space program, including the launch of the first artificial satellite and the first human in space.
-
E.
William Anders
William Anders was a U.S. Air Force major general and Apollo 8 astronaut best known for taking the iconic "Earthrise" photograph during humanity’s first crewed orbit of the Moon.
- F. None of above. chosen
Statements (56)
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: Alexei Leonov Description of subject: Alexei Leonov was a Soviet cosmonaut famed for performing the first spacewalk in history and later becoming a prominent figure in space exploration and its public outreach.
Referenced by (27)
Full triples — surface form annotated when it differs from this entity's canonical label.