Triple

T12677233
Position Surface form Disambiguated ID Type / Status
Subject Linha da Beira Alta E302847 entity
Predicate historicalOperator P2834 FINISHED
Object Caminhos de Ferro Portugueses E960382 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Caminhos de Ferro Portugueses | Statement: [Linha da Beira Alta, historicalOperator, Caminhos de Ferro Portugueses]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Caminhos de Ferro Portugueses
Context triple: [Linha da Beira Alta, historicalOperator, Caminhos de Ferro Portugueses]
  • A. Companhia Real dos Caminhos de Ferro Portugueses
    Companhia Real dos Caminhos de Ferro Portugueses was the royal chartered company that operated and expanded much of Portugal’s mainline railway network in the late 19th and early 20th centuries.
  • B. Comboios de Portugal (CP) chosen
    Comboios de Portugal (CP) is Portugal’s state-owned national railway company, responsible for operating most passenger train services across the country.
  • C. E.F.C.B. (Estrada de Ferro Central do Brasil)
    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.
  • D. Renfe Mercancías
    Renfe Mercancías is the freight transport division of Spain’s national railway operator, specializing in the movement of goods by rail across the Iberian Peninsula and beyond.
  • E. freight division of Comboios de Portugal
    The freight division of Comboios de Portugal was the rail freight arm of Portugal’s national railway operator, responsible for cargo transport services before being succeeded by CP Carga.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d7bdee64a08190801c6d470aefd723 elicitation completed
NER batch_69d961b0d9c88190a05d6cbcb7a1642d ner completed
NED1 batch_69f671a341288190822fae2469efea09 ned_source_triple completed
Created at: April 9, 2026, 5:20 p.m.