Triple

T22992155
Position Surface form Disambiguated ID Type / Status
Subject Brasília Metro E572078 entity
Predicate hasTerminus P388 FINISHED
Object Central station (Brasília Metro)
Central station (Brasília Metro) is a key metro hub in Brasília, Brazil, serving as a major interchange and focal point of the city's rapid transit network.
 E1564425 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: Central station (Brasília Metro) | Statement: [Brasília Metro, hasTerminus, Central station (Brasília Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Central station (Brasília Metro)
Context triple: [Brasília Metro, hasTerminus, Central station (Brasília Metro)]
  • A. Central station (Belo Horizonte Metro)
    Central station (Belo Horizonte Metro) is a key underground rail hub in Belo Horizonte, Brazil, serving as one of the main passenger access points to the city’s metro network.
  • B. Cinelândia Station (Rio de Janeiro Metro)
    Cinelândia Station is a central Rio de Janeiro Metro station serving the historic Cinelândia square area in the city’s downtown.
  • C. Joana Bezerra metro station
    Joana Bezerra metro station is a key urban rail stop in Recife, Brazil, serving the Ilha Joana Bezerra area and connecting it to the city’s broader metro network.
  • D. Carioca Station (Rio de Janeiro Metro)
    Carioca Station is a major underground metro station in downtown Rio de Janeiro that serves as a key hub on the city’s Line 1.
  • E. Botafogo metro station
    Botafogo metro station is a key underground rapid transit stop on Rio de Janeiro’s Metro system, serving the Botafogo neighborhood in the city’s South Zone.
  • 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: Central station (Brasília Metro)
Triple: [Brasília Metro, hasTerminus, Central station (Brasília Metro)]
Generated description
Central station (Brasília Metro) is a key metro hub in Brasília, Brazil, serving as a major interchange and focal point of the city's rapid transit network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Central station (Brasília Metro)
Target entity description: Central station (Brasília Metro) is a key metro hub in Brasília, Brazil, serving as a major interchange and focal point of the city's rapid transit network.
  • A. Central station (Belo Horizonte Metro)
    Central station (Belo Horizonte Metro) is a key underground rail hub in Belo Horizonte, Brazil, serving as one of the main passenger access points to the city’s metro network.
  • B. Cinelândia Station (Rio de Janeiro Metro)
    Cinelândia Station is a central Rio de Janeiro Metro station serving the historic Cinelândia square area in the city’s downtown.
  • C. Joana Bezerra metro station
    Joana Bezerra metro station is a key urban rail stop in Recife, Brazil, serving the Ilha Joana Bezerra area and connecting it to the city’s broader metro network.
  • D. Carioca Station (Rio de Janeiro Metro)
    Carioca Station is a major underground metro station in downtown Rio de Janeiro that serves as a key hub on the city’s Line 1.
  • E. Botafogo metro station
    Botafogo metro station is a key underground rapid transit stop on Rio de Janeiro’s Metro system, serving the Botafogo neighborhood in the city’s South Zone.
  • 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_69e245b535808190adef8a9df3c584db completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f182f017a88190b02d0649a3af5d99 completed April 29, 2026, 4:02 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0bd37b1a0c819086bf665e96c2a540 completed May 19, 2026, 3:05 a.m.
NEDg Description generation batch_6a0bd44a4434819093871158e49bafbc completed May 19, 2026, 3:08 a.m.
NED2 Entity disambiguation (via description) batch_6a0bd4e53024819084592e995cc902e7 completed May 19, 2026, 3:11 a.m.
Created at: April 17, 2026, 3:50 p.m.