Triple

T195908
Position Surface form Disambiguated ID Type / Status
Subject Oscar Niemeyer E3818 entity
Predicate designed P184 FINISHED
Object Copan Building in São Paulo
The Copan Building in São Paulo is a landmark modernist residential skyscraper famed for its sinuous, wave-like façade and status as one of Brazil’s most iconic works of architecture.
E26688 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Copan Building in São Paulo | Statement: [Oscar Niemeyer, designed, Copan Building in São Paulo]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Copan Building in São Paulo
Context triple: [Oscar Niemeyer, designed, Copan Building in São Paulo]
  • A. Cathedral of Brasília
    The Cathedral of Brasília is a landmark modernist Roman Catholic cathedral in Brazil’s capital, renowned for its hyperboloid concrete structure and striking glass roof.
  • B. Pampulha Modern Ensemble in Belo Horizonte
    The Pampulha Modern Ensemble in Belo Horizonte is a landmark complex of modernist buildings and landscape design, celebrated as an early masterpiece of Brazilian architect Oscar Niemeyer and a key work in 20th-century modern architecture.
  • C. National Congress of Brazil building
    The National Congress of Brazil building is a landmark modernist government complex in Brasília, renowned for its distinctive twin towers flanked by a domed and a bowl-shaped chamber.
  • D. Belém Palace
    Belém Palace is the official residence of the President of Portugal, located in Lisbon’s Belém district and serving as a central site of Portuguese political and ceremonial life.
  • E. Costanera Center
    Costanera Center is a major commercial and business complex in Santiago, Chile, best known for its skyscraper Gran Torre Santiago, the tallest building in Latin America.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Copan Building in São Paulo
Triple: [Oscar Niemeyer, designed, Copan Building in São Paulo]
Generated description
The Copan Building in São Paulo is a landmark modernist residential skyscraper famed for its sinuous, wave-like façade and status as one of Brazil’s most iconic works of architecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Copan Building in São Paulo
Target entity description: The Copan Building in São Paulo is a landmark modernist residential skyscraper famed for its sinuous, wave-like façade and status as one of Brazil’s most iconic works of architecture.
  • A. Cathedral of Brasília
    The Cathedral of Brasília is a landmark modernist Roman Catholic cathedral in Brazil’s capital, renowned for its hyperboloid concrete structure and striking glass roof.
  • B. Pampulha Modern Ensemble in Belo Horizonte
    The Pampulha Modern Ensemble in Belo Horizonte is a landmark complex of modernist buildings and landscape design, celebrated as an early masterpiece of Brazilian architect Oscar Niemeyer and a key work in 20th-century modern architecture.
  • C. National Congress of Brazil building
    The National Congress of Brazil building is a landmark modernist government complex in Brasília, renowned for its distinctive twin towers flanked by a domed and a bowl-shaped chamber.
  • D. Belém Palace
    Belém Palace is the official residence of the President of Portugal, located in Lisbon’s Belém district and serving as a central site of Portuguese political and ceremonial life.
  • E. Costanera Center
    Costanera Center is a major commercial and business complex in Santiago, Chile, best known for its skyscraper Gran Torre Santiago, the tallest building in Latin America.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a2548debd48190ae3a06d6e65b53c6 completed Feb. 28, 2026, 2:35 a.m.
NER Named-entity recognition batch_69a25983b49c819080f7e161904c53da completed Feb. 28, 2026, 2:57 a.m.
NED1 Entity disambiguation (via context triple) batch_69a32f27fa1c8190b9ad851b2c1af98a completed Feb. 28, 2026, 6:08 p.m.
NEDg Description generation batch_69a32fcd0d20819090726b005b2e3c90 completed Feb. 28, 2026, 6:11 p.m.
NED2 Entity disambiguation (via description) batch_69a3303677cc8190a72966887c6c1d55 completed Feb. 28, 2026, 6:13 p.m.
Created at: Feb. 28, 2026, 2:41 a.m.