Triple

T19972408
Position Surface form Disambiguated ID Type / Status
Subject Mexican railroads E480110 entity
Predicate majorOperator P5623 FINISHED
Object Ferrosur
Ferrosur is a major Mexican freight railway company that operates key rail lines in the southern and central regions of Mexico.
 E1404679 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: Ferrosur | Statement: [Mexican railroads, majorOperator, Ferrosur]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ferrosur
Context triple: [Mexican railroads, majorOperator, Ferrosur]
  • A. Ferrocarriles Argentinos
    Ferrocarriles Argentinos was Argentina’s former state-owned national railway company that operated most of the country’s passenger and freight rail services during much of the 20th century.
  • B. Ferrocarriles del Sur S.A.
    Ferrocarriles del Sur S.A. is a Chilean railway company that operates regional passenger train services in the Biobío Region.
  • C. Trenes Argentinos
    Trenes Argentinos is Argentina’s state-owned railway company responsible for operating and managing much of the country’s passenger rail network.
  • D. Sarmiento Line
    The Sarmiento Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
  • E. Argentine railway system
    The Argentine railway system is the national network of passenger and freight rail lines that connects major cities and regions across Argentina and has historically played a central role in the country’s economic and territorial development.
  • 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: Ferrosur
Triple: [Mexican railroads, majorOperator, Ferrosur]
Generated description
Ferrosur is a major Mexican freight railway company that operates key rail lines in the southern and central regions of Mexico.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ferrosur
Target entity description: Ferrosur is a major Mexican freight railway company that operates key rail lines in the southern and central regions of Mexico.
  • A. Ferrocarriles Argentinos
    Ferrocarriles Argentinos was Argentina’s former state-owned national railway company that operated most of the country’s passenger and freight rail services during much of the 20th century.
  • B. Ferrocarriles del Sur S.A.
    Ferrocarriles del Sur S.A. is a Chilean railway company that operates regional passenger train services in the Biobío Region.
  • C. Trenes Argentinos
    Trenes Argentinos is Argentina’s state-owned railway company responsible for operating and managing much of the country’s passenger rail network.
  • D. Sarmiento Line
    The Sarmiento Line is a major commuter rail service in the Buenos Aires metropolitan area that links the city center with western suburbs.
  • E. Argentine railway system
    The Argentine railway system is the national network of passenger and freight rail lines that connects major cities and regions across Argentina and has historically played a central role in the country’s economic and territorial development.
  • 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_69d8e523c19881909f9197037200dde6 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65bca94c0819095c902a411c4c4b8 completed April 20, 2026, 5 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07fdd5624481908f9817ac5f58b7ca completed May 16, 2026, 5:17 a.m.
NEDg Description generation batch_6a07fe9021dc81909081c65135b57e8f completed May 16, 2026, 5:20 a.m.
NED2 Entity disambiguation (via description) batch_6a07ff024fa48190b0d68ad87dc25ef6 completed May 16, 2026, 5:22 a.m.
Created at: April 10, 2026, 1:54 p.m.