Triple

T195903
Position Surface form Disambiguated ID Type / Status
Subject Oscar Niemeyer E3818 entity
Predicate designed P184 FINISHED
Object 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.
E25685 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: Cathedral of Brasília | Statement: [Oscar Niemeyer, designed, Cathedral of Brasília]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cathedral of Brasília
Context triple: [Oscar Niemeyer, designed, Cathedral of Brasília]
  • A. 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.
  • B. 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.
  • C. Palácio do Planalto
    Palácio do Planalto is the modernist presidential office building in Brasília that serves as the official workplace of the President of Brazil.
  • D. Belém Tower
    Belém Tower is a 16th-century fortified tower in Lisbon, Portugal, and a UNESCO World Heritage Site renowned as a symbol of the Age of Discoveries.
  • E. Palácio da Alvorada
    Palácio da Alvorada is the modernist official residence of the President of Brazil in Brasília, renowned for its sleek columns and iconic architectural design.
  • 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: Cathedral of Brasília
Triple: [Oscar Niemeyer, designed, Cathedral of Brasília]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cathedral of Brasília
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Palácio do Planalto
    Palácio do Planalto is the modernist presidential office building in Brasília that serves as the official workplace of the President of Brazil.
  • D. Belém Tower
    Belém Tower is a 16th-century fortified tower in Lisbon, Portugal, and a UNESCO World Heritage Site renowned as a symbol of the Age of Discoveries.
  • E. Palácio da Alvorada
    Palácio da Alvorada is the modernist official residence of the President of Brazil in Brasília, renowned for its sleek columns and iconic architectural design.
  • 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_69a3232d589081909a56c0ef7349c59e completed Feb. 28, 2026, 5:17 p.m.
NEDg Description generation batch_69a323e5d5008190879aac12c19248f9 completed Feb. 28, 2026, 5:20 p.m.
NED2 Entity disambiguation (via description) batch_69a324c96f448190983ba89def7a57c8 completed Feb. 28, 2026, 5:24 p.m.
Created at: Feb. 28, 2026, 2:41 a.m.