Louis Lachenal
E214528
Louis Lachenal was a pioneering French mountaineer best known as a member of the 1950 expedition that made the first ascent of an 8,000-meter peak.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Louis Lachenal canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1656707 — 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: Louis Lachenal Context triple: [Annapurna I Main, firstAscendedBy, Louis Lachenal]
-
A.
Claude Nicollier
Claude Nicollier is a Swiss astrophysicist and former ESA astronaut who became the first Swiss citizen in space and flew on four Space Shuttle missions.
-
B.
Louis Marie Cordonnier
Louis Marie Cordonnier was a prominent French architect known for his influential Beaux-Arts and regionalist designs in the late 19th and early 20th centuries.
-
C.
Michel-Gabriel Paccard
Michel-Gabriel Paccard was a French physician and mountaineer best known for making the first successful ascent of Mont Blanc in 1786.
-
D.
Léon Marchal
Léon Marchal was a French diplomat who served as Secretary General of the Council of Europe during the early years of European postwar integration.
-
E.
Eugène Eyraud
Eugène Eyraud was a 19th-century French Catholic missionary best known for being the first European to document the rongorongo script of Easter Island.
- 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: Louis Lachenal Target entity description: Louis Lachenal was a pioneering French mountaineer best known as a member of the 1950 expedition that made the first ascent of an 8,000-meter peak.
-
A.
Claude Nicollier
Claude Nicollier is a Swiss astrophysicist and former ESA astronaut who became the first Swiss citizen in space and flew on four Space Shuttle missions.
-
B.
Louis Marie Cordonnier
Louis Marie Cordonnier was a prominent French architect known for his influential Beaux-Arts and regionalist designs in the late 19th and early 20th centuries.
-
C.
Michel-Gabriel Paccard
Michel-Gabriel Paccard was a French physician and mountaineer best known for making the first successful ascent of Mont Blanc in 1786.
-
D.
Léon Marchal
Léon Marchal was a French diplomat who served as Secretary General of the Council of Europe during the early years of European postwar integration.
-
E.
Eugène Eyraud
Eugène Eyraud was a 19th-century French Catholic missionary best known for being the first European to document the rongorongo script of Easter Island.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
French mountaineer
ⓘ
human ⓘ mountaineer ⓘ |
| climbed |
Annapurna
ⓘ
surface form:
Annapurna I
|
| countryOfCitizenship | France ⓘ |
| expeditionPartner | Maurice Herzog ⓘ |
| firstAscentDate | 1950-06-03 ⓘ |
| firstAscentElevationMetres | 8091 ⓘ |
| firstAscentOf |
Annapurna
ⓘ
surface form:
Annapurna I
|
| gender | male ⓘ |
| hasFamilyName | Lachenal ⓘ |
| hasGivenName | Louis ⓘ |
| knownAsPioneerOf | high-altitude Himalayan mountaineering ⓘ |
| languageOfWorkOrName | French ⓘ |
| madeFirstAscentWith | Maurice Herzog ⓘ |
| memberOf | 1950 French Annapurna expedition ⓘ |
| mountainRange | Himalayas ⓘ |
| name | Louis Lachenal self-link ⓘ |
| nationality | French ⓘ |
| notableAchievement | participation in first ascent of an 8,000-metre peak ⓘ |
| notableFor |
first ascent of Annapurna I
ⓘ
first ascent of an eight-thousander ⓘ |
| occupation |
high-altitude climber
ⓘ
mountaineer ⓘ |
| placeOfActivity |
French Alps
ⓘ
Himalayas ⓘ |
| sport |
alpine climbing
ⓘ
expedition mountaineering ⓘ |
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: Louis Lachenal Description of subject: Louis Lachenal was a pioneering French mountaineer best known as a member of the 1950 expedition that made the first ascent of an 8,000-meter peak.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Annapurna I Main