Triple

T4142693
Position Surface form Disambiguated ID Type / Status
Subject Valparaíso Metro E89306 entity
Predicate owner P347 FINISHED
Object Empresa de los Ferrocarriles del Estado E312284 NE FINISHED

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: Empresa de los Ferrocarriles del Estado | Statement: [Valparaíso Metro, owner, Empresa de los Ferrocarriles del Estado]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Empresa de los Ferrocarriles del Estado
Context triple: [Valparaíso Metro, owner, Empresa de los Ferrocarriles del Estado]
  • A. Empresa de los Ferrocarriles del Estado chosen
    Empresa de los Ferrocarriles del Estado is Chile’s state-owned railway company responsible for operating and managing much of the country’s passenger and freight rail services.
  • B. Compagnie des chemins de fer de l’Est
    Compagnie des chemins de fer de l’Est was a major 19th- and early 20th-century French railway company that operated lines in the eastern regions of France before being nationalized into the SNCF.
  • C. Consolidated Rail Corporation
    Consolidated Rail Corporation, commonly known as Conrail, was a major U.S. freight railroad created in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • D. NI Railways
    NI Railways is the primary passenger rail operator in Northern Ireland, running the region’s railway network and services.
  • E. EFE Trenes de Chile
    EFE Trenes de Chile is the state-owned railway company responsible for operating most passenger and freight train services across Chile.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69aed95785788190ae75bcf0cd1cafdf completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af024cc7e88190b23b39d6f5f2a2e0 completed March 9, 2026, 5:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69b576cff6c881909134804ba6f9876d completed March 14, 2026, 2:55 p.m.
Created at: March 9, 2026, 3:43 p.m.