Triple

T23011932
Position Surface form Disambiguated ID Type / Status
Subject E.F.C.B. (Estrada de Ferro Central do Brasil) E572927 entity
Predicate depicts P1581 FINISHED
Object Estrada de Ferro Central do Brasil — 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: Estrada de Ferro Central do Brasil | Statement: [E.F.C.B. (Estrada de Ferro Central do Brasil), depicts, Estrada de Ferro Central do Brasil]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Estrada de Ferro Central do Brasil
Context triple: [E.F.C.B. (Estrada de Ferro Central do Brasil), depicts, Estrada de Ferro Central do Brasil]
  • A. E.F.C.B. (Estrada de Ferro Central do Brasil) chosen
    E.F.C.B. (Estrada de Ferro Central do Brasil) is a painting by Brazilian modernist artist Tarsila do Amaral that reflects her distinctive style and engagement with Brazil’s industrial and cultural landscape.
  • B. Estrada de Ferro Santos-Jundiaí
    Estrada de Ferro Santos-Jundiaí is a historic Brazilian railway line in the state of São Paulo that played a key role in the transport of coffee and the development of the region’s economy.
  • C. Madeira-Mamoré Railway
    The Madeira-Mamoré Railway is a historic Amazonian railroad in Brazil, famed for its arduous construction through dense rainforest and disease-ridden terrain to support regional rubber transport in the early 20th century.
  • D. Linha Centro
    Linha Centro is a principal rapid transit line of the Recife Metro system in Recife, Brazil, serving key urban and suburban areas along a central corridor.
  • E. CPTM commuter rail
    CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
  • 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_69e245b764cc8190a51be76f1d9611e1 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f183e202a481908d7a2f00a12229a0 completed April 29, 2026, 4:06 a.m.
Created at: April 17, 2026, 3:51 p.m.