Triple

T20264758
Position Surface form Disambiguated ID Type / Status
Subject Porto Velho E498934 entity
Predicate hasHeritage P1494 FINISHED
Object Madeira-Mamoré Railway complex — 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: Madeira-Mamoré Railway complex | Statement: [Porto Velho, hasHeritage, Madeira-Mamoré Railway complex]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Madeira-Mamoré Railway complex
Context triple: [Porto Velho, hasHeritage, Madeira-Mamoré Railway complex]
  • A. Madeira-Mamoré Railway chosen
    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.
  • B. Antofagasta–Bolivia Railway
    The Antofagasta–Bolivia Railway is a historic trans-Andean rail line linking Chile’s Pacific coast with Bolivia’s interior, primarily built to transport minerals from the Andean region to port.
  • C. Ecuadorian Railway
    The Ecuadorian Railway is a historic rail network in Ecuador famed for its dramatic Andean routes, including the steep “Devil’s Nose” section that connects highland towns like Alausí.
  • D. Arica–La Paz Railway
    The Arica–La Paz Railway is a historic trans-Andean rail line connecting the Chilean port city of Arica with Bolivia’s capital, La Paz, primarily built to facilitate Bolivian access to the Pacific Ocean.
  • E. Oruro railway junction
    Oruro railway junction is a major rail hub in Bolivia that connects key lines linking the Andean highlands with other regions of the country and neighboring nations.
  • 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_69da6275fa6c8190952924930adee150 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e674ce27688190b31d7a6c98d3ec5e completed April 20, 2026, 6:47 p.m.
Created at: April 11, 2026, 11:41 p.m.