Unua Libro
E16296
Unua Libro is the 1887 booklet by L. L. Zamenhof that first introduced and described the constructed international language Esperanto.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Unua Libro canonical | 8 |
| First Book | 1 |
| La Unua Libro | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T135633 — 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: Unua Libro Context triple: [Esperanto, hasFirstBook, Unua Libro]
-
A.
Mens et Manus
Mens et Manus is the Latin motto of the Massachusetts Institute of Technology, expressing the union of mind and hand in the pursuit of knowledge and practical application.
-
B.
The Light
The Light is a notable work by the rapper Common, showcasing his introspective lyricism and soulful, jazz-influenced hip-hop style.
-
C.
The Great Commoner
The Great Commoner was the popular nickname of William Pitt the Elder, a prominent 18th-century British statesman celebrated for his leadership during the Seven Years' War and his advocacy for parliamentary reform.
-
D.
The Elders
The Elders is an independent group of global leaders founded by Nelson Mandela to promote peace, human rights, and ethical leadership worldwide.
-
E.
The Great Eight
The Great Eight is the famous nickname of Russian ice hockey superstar Alex Ovechkin, one of the most prolific goal scorers in NHL history.
- 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: Unua Libro Target entity description: Unua Libro is the 1887 booklet by L. L. Zamenhof that first introduced and described the constructed international language Esperanto.
-
A.
Mens et Manus
Mens et Manus is the Latin motto of the Massachusetts Institute of Technology, expressing the union of mind and hand in the pursuit of knowledge and practical application.
-
B.
The Light
The Light is a notable work by the rapper Common, showcasing his introspective lyricism and soulful, jazz-influenced hip-hop style.
-
C.
The Great Commoner
The Great Commoner was the popular nickname of William Pitt the Elder, a prominent 18th-century British statesman celebrated for his leadership during the Seven Years' War and his advocacy for parliamentary reform.
-
D.
The Elders
The Elders is an independent group of global leaders founded by Nelson Mandela to promote peace, human rights, and ethical leadership worldwide.
-
E.
The Great Eight
The Great Eight is the famous nickname of Russian ice hockey superstar Alex Ovechkin, one of the most prolific goal scorers in NHL history.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
book
ⓘ
foundational Esperanto work ⓘ language textbook ⓘ |
| alsoKnownAs |
First Book
ⓘ
linked to:
Unua Libro
La Unua Libro ⓘ
linked to:
Unua Libro
|
| associatedMovement | Esperanto movement ⓘ |
| author | L. L. Zamenhof ⓘ |
| contains |
Esperanto grammar
ⓘ
Esperanto vocabulary ⓘ appeal for support ⓘ sample texts in Esperanto ⓘ translation key ⓘ |
| countryOfPublication | Russian Empire ⓘ |
| creator | L. L. Zamenhof ⓘ |
| describes | Esperanto ⓘ |
| firstEditionYear | 1887 ⓘ |
| followedBy | Dua Libro ⓘ |
| genre |
language manual
ⓘ
non-fiction ⓘ |
| hasEditionInLanguage |
English
ⓘ
French ⓘ German ⓘ Polish ⓘ |
| hasInfluenced |
Esperanto literature
ⓘ
subsequent Esperanto grammars ⓘ |
| historicalSignificance |
first published description of Esperanto
ⓘ
starting point of the Esperanto movement ⓘ |
| introducedConcept | Fundamental 16 rules of Esperanto grammar ⓘ |
| introducedLanguage | Esperanto ⓘ |
| introducedPseudonym |
Dr. Esperanto
ⓘ
linked to:
L. L. Zamenhof
|
| language | Russian ⓘ |
| licenseModelProposed | royalty-free use of Esperanto ⓘ |
| originalLanguage | Russian ⓘ |
| pages | 40 ⓘ |
| placeOfPublication | Warsaw ⓘ |
| printingTechnology | 19th-century letterpress printing ⓘ |
| pseudonymousAuthor |
Dr. Esperanto
ⓘ
linked to:
L. L. Zamenhof
|
| publicationDate | 1887-07-26 ⓘ |
| publicationFormat | booklet ⓘ |
| publicationYear | 1887 ⓘ |
| subject |
Esperanto
ⓘ
constructed language ⓘ international auxiliary language ⓘ |
| subtitle | International Language ⓘ |
| targetAudience | international readership ⓘ |
| title | Unua Libro ⓘ |
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: Unua Libro Description of subject: Unua Libro is the 1887 booklet by L. L. Zamenhof that first introduced and described the constructed international language Esperanto.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Unua Libro
linked to: Unua Libro