Ildefons Cerdà
E893148
Ildefons Cerdà was a 19th-century Catalan engineer and urban planner best known for designing the modern expansion plan of Barcelona.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ildefons Cerdà canonical | 3 |
| Cerdà | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10804751 — 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: Ildefons Cerdà Context triple: [Eixample, urbanPlanner, Ildefons Cerdà]
-
A.
Lluís Domènech i Montaner
Lluís Domènech i Montaner was a prominent Catalan modernist architect and politician, renowned for his richly ornamented buildings in Barcelona and his influence on Catalan cultural nationalism.
-
B.
Eusebi Güell
Eusebi Güell was a wealthy Catalan industrialist and politician best known as a major patron of architect Antoni Gaudí, commissioning several of his most iconic works.
-
C.
Josep Puig i Cadafalch
Josep Puig i Cadafalch was a prominent Catalan architect, politician, and art historian whose work helped define the architectural identity of early 20th-century Barcelona.
-
D.
Pere Domènech i Roura
Pere Domènech i Roura was a Catalan architect and politician associated with the Modernisme movement, known for continuing and contributing to major works such as the Hospital de Sant Pau in Barcelona.
-
E.
Francesc Guàrdia i Vial
Francesc Guàrdia i Vial was a Catalan architect associated with the early 20th-century Modernisme movement, known for designing prominent public buildings in Spain.
- 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: Ildefons Cerdà Target entity description: Ildefons Cerdà was a 19th-century Catalan engineer and urban planner best known for designing the modern expansion plan of Barcelona.
-
A.
Lluís Domènech i Montaner
Lluís Domènech i Montaner was a prominent Catalan modernist architect and politician, renowned for his richly ornamented buildings in Barcelona and his influence on Catalan cultural nationalism.
-
B.
Eusebi Güell
Eusebi Güell was a wealthy Catalan industrialist and politician best known as a major patron of architect Antoni Gaudí, commissioning several of his most iconic works.
-
C.
Josep Puig i Cadafalch
Josep Puig i Cadafalch was a prominent Catalan architect, politician, and art historian whose work helped define the architectural identity of early 20th-century Barcelona.
-
D.
Pere Domènech i Roura
Pere Domènech i Roura was a Catalan architect and politician associated with the Modernisme movement, known for continuing and contributing to major works such as the Hospital de Sant Pau in Barcelona.
-
E.
Francesc Guàrdia i Vial
Francesc Guàrdia i Vial was a Catalan architect associated with the early 20th-century Modernisme movement, known for designing prominent public buildings in Spain.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
civil engineer
ⓘ
person ⓘ politician ⓘ urban planner ⓘ writer ⓘ |
| burialPlace | Montjuïc Cemetery ⓘ |
| centuryOfActivity | 19th century ⓘ |
| commemoratedBy |
Avinguda d'Ildefons Cerdà
ⓘ
Plaça d'Ildefons Cerdà ⓘ |
| countryOfCitizenship | Spain ⓘ |
| dateOfBirth | 1815-12-23 ⓘ |
| dateOfDeath | 1876-08-21 ⓘ |
| designed |
Eixample district of Barcelona
ⓘ
linked to:
Eixample
urban expansion plan of Barcelona ⓘ
linked to:
Eixample urban expansion of Barcelona
|
| educatedAt | Escuela de Ingenieros de Caminos, Canales y Puertos ⓘ |
| ethnicGroup |
Catalan
ⓘ
linked to:
Catalans
|
| familyName |
Cerdà
ⓘ
linked to:
Ildefons Cerdà
|
| fieldOfWork |
civil engineering
ⓘ
transport infrastructure ⓘ urban planning ⓘ |
| genre |
technical writing
ⓘ
urban theory ⓘ |
| givenName | Ildefons ⓘ |
| hasConceptNamedAfter | Cerdà plan ⓘ |
| hasParticularSignificanceFor |
Barcelona
ⓘ
Catalonia ⓘ |
| influenced |
grid-based city design
ⓘ
modern urban planning ⓘ |
| knownFor |
designing the modern expansion plan of Barcelona
ⓘ
pioneering modern urban planning ⓘ |
| languageOfWorkOrName |
Catalan
ⓘ
Spanish ⓘ |
| mannerOfDeath | natural causes ⓘ |
| movement |
hygienist urban planning
ⓘ
utopian urbanism ⓘ |
| nativeLanguage | Catalan ⓘ |
| notableWork |
Eixample of Barcelona
ⓘ
linked to:
Eixample
Pla Cerdà ⓘ
linked to:
Cerdà plan
Teoría general de la urbanización ⓘ |
| occupation |
civil engineer
ⓘ
politician ⓘ urban planner ⓘ writer ⓘ |
| placeOfBirth |
Catalonia
ⓘ
Centelles ⓘ Province of Barcelona ⓘ |
| placeOfDeath |
Caldas de Besaya
ⓘ
Cantabria ⓘ |
| positionHeld |
deputy in the Cortes Generales
ⓘ
member of the Spanish Parliament ⓘ |
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: Ildefons Cerdà Description of subject: Ildefons Cerdà was a 19th-century Catalan engineer and urban planner best known for designing the modern expansion plan of Barcelona.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ildefons Cerdà