Triple

T22995808
Position Surface form Disambiguated ID Type / Status
Subject Metrô do Recife E572186 entity
Predicate operator P179 FINISHED
Object Companhia Brasileira de Trens Urbanos — NE NERFINISHED

How this triple was built (2 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: Companhia Brasileira de Trens Urbanos | Statement: [Metrô do Recife, operator, Companhia Brasileira de Trens Urbanos]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Companhia Brasileira de Trens Urbanos
Context triple: [Metrô do Recife, operator, Companhia Brasileira de Trens Urbanos]
  • A. CBTU (Companhia Brasileira de Trens Urbanos) chosen
    CBTU (Companhia Brasileira de Trens Urbanos) is a Brazilian federal state-owned company responsible for operating and managing urban rail and metro systems in several major cities across Brazil.
  • B. Companhia do Metropolitano do Distrito Federal
    Companhia do Metropolitano do Distrito Federal is the public company responsible for operating and managing the metro system serving Brazil’s Federal District, including the capital Brasília.
  • C. CPTM commuter rail
    CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
  • D. São Paulo State Secretariat of Metropolitan Transport
    The São Paulo State Secretariat of Metropolitan Transport is a government body responsible for planning, coordinating, and overseeing metropolitan public transportation systems within the state of São Paulo, Brazil.
  • E. São Paulo Municipal Transport Secretariat
    The São Paulo Municipal Transport Secretariat is the city government department responsible for planning, regulating, and overseeing public transportation and mobility policies in São Paulo, Brazil.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e245b535808190adef8a9df3c584db completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f182f3186c81909e0d5177029a72ae completed April 29, 2026, 4:02 a.m.
Created at: April 17, 2026, 3:50 p.m.