Triple

T23498491
Position Surface form Disambiguated ID Type / Status
Subject Brazil–Bolivia border region E571767 entity
Predicate hasTransportInfrastructure P2560 FINISHED
Object Corumbá–Santa Cruz railway corridor
The Corumbá–Santa Cruz railway corridor is a key bi-national rail link connecting Brazil and Bolivia, facilitating regional trade and transport between the Brazilian city of Corumbá and the Bolivian city of Santa Cruz de la Sierra.
E1588973 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: Corumbá–Santa Cruz railway corridor | Statement: [Brazil–Bolivia border region, hasTransportInfrastructure, Corumbá–Santa Cruz railway corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Corumbá–Santa Cruz railway corridor
Context triple: [Brazil–Bolivia border region, hasTransportInfrastructure, Corumbá–Santa Cruz railway corridor]
  • A. Beira Alta railway corridor
    The Beira Alta railway corridor is a key rail route in Portugal that connects the interior Beira Alta region with major national and international lines, serving as an important axis for both passenger and freight transport.
  • 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. General Urquiza Railway
    The General Urquiza Railway is a major Argentine railway line that historically connected Buenos Aires with the country's northeastern regions, playing a key role in passenger and freight transport.
  • D. Rio de Janeiro–Belo Horizonte corridor
    The Rio de Janeiro–Belo Horizonte corridor is a major Brazilian transport and economic axis linking the cities of Rio de Janeiro and Belo Horizonte through a network of highways and railways.
  • E. 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.
  • 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: Corumbá–Santa Cruz railway corridor
Triple: [Brazil–Bolivia border region, hasTransportInfrastructure, Corumbá–Santa Cruz railway corridor]
Generated description
The Corumbá–Santa Cruz railway corridor is a key bi-national rail link connecting Brazil and Bolivia, facilitating regional trade and transport between the Brazilian city of Corumbá and the Bolivian city of Santa Cruz de la Sierra.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Corumbá–Santa Cruz railway corridor
Target entity description: The Corumbá–Santa Cruz railway corridor is a key bi-national rail link connecting Brazil and Bolivia, facilitating regional trade and transport between the Brazilian city of Corumbá and the Bolivian city of Santa Cruz de la Sierra.
  • A. Beira Alta railway corridor
    The Beira Alta railway corridor is a key rail route in Portugal that connects the interior Beira Alta region with major national and international lines, serving as an important axis for both passenger and freight transport.
  • 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. General Urquiza Railway
    The General Urquiza Railway is a major Argentine railway line that historically connected Buenos Aires with the country's northeastern regions, playing a key role in passenger and freight transport.
  • D. Rio de Janeiro–Belo Horizonte corridor
    The Rio de Janeiro–Belo Horizonte corridor is a major Brazilian transport and economic axis linking the cities of Rio de Janeiro and Belo Horizonte through a network of highways and railways.
  • E. 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.
  • 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_69e245b4829881909b77a70e942bbd54 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1a7e184ec8190aff3677c9b00a8f2 completed April 29, 2026, 6:40 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c827401888190bc01ad0a02238698 completed May 19, 2026, 3:32 p.m.
NEDg Description generation batch_6a0ca6f229308190bf72b52fd44144d3 completed May 19, 2026, 6:07 p.m.
NED2 Entity disambiguation (via description) batch_6a0ca7f09af48190b7bfdae25d2f286b completed May 19, 2026, 6:12 p.m.
Created at: April 17, 2026, 6:06 p.m.