Triple

T21409741
Position Surface form Disambiguated ID Type / Status
Subject Petróleos Mexicanos E528134 entity
Predicate hasSubsidiary P254 FINISHED
Object Pemex Refinación
Pemex Refinación is the refining division of Mexico’s state-owned oil company, responsible for processing crude oil into fuels and other petroleum products.
 E528134 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: Pemex Refinación | Statement: [Petróleos Mexicanos, hasSubsidiary, Pemex Refinación]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pemex Refinación
Context triple: [Petróleos Mexicanos, hasSubsidiary, Pemex Refinación]
  • A. Petróleos Mexicanos
    Petróleos Mexicanos (Pemex) is Mexico’s state-owned petroleum company and one of the largest oil producers in Latin America.
  • B. Alianza Petrolera
    Alianza Petrolera is a professional Colombian football club that competes in the country’s top division, Categoría Primera A.
  • C. Pantepec Oil Company
    Pantepec Oil Company was an oil exploration and production firm founded and led by William F. Buckley Sr., known for its operations in Latin America in the early to mid-20th century.
  • D. Cepsa
    Cepsa is a Spanish integrated energy and petrochemical company involved in oil and gas exploration, refining, and the production of chemical products.
  • E. Yacimientos Petrolíferos Fiscales
    Yacimientos Petrolíferos Fiscales (YPF) is Argentina’s historic state-founded oil and gas company, central to the country’s energy industry and economic 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: Pemex Refinación
Triple: [Petróleos Mexicanos, hasSubsidiary, Pemex Refinación]
Generated description
Pemex Refinación is the refining division of Mexico’s state-owned oil company, responsible for processing crude oil into fuels and other petroleum products.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pemex Refinación
Target entity description: Pemex Refinación is the refining division of Mexico’s state-owned oil company, responsible for processing crude oil into fuels and other petroleum products.
  • A. Petróleos Mexicanos chosen
    Petróleos Mexicanos (Pemex) is Mexico’s state-owned petroleum company and one of the largest oil producers in Latin America.
  • B. Alianza Petrolera
    Alianza Petrolera is a professional Colombian football club that competes in the country’s top division, Categoría Primera A.
  • C. Pantepec Oil Company
    Pantepec Oil Company was an oil exploration and production firm founded and led by William F. Buckley Sr., known for its operations in Latin America in the early to mid-20th century.
  • D. Cepsa
    Cepsa is a Spanish integrated energy and petrochemical company involved in oil and gas exploration, refining, and the production of chemical products.
  • E. Yacimientos Petrolíferos Fiscales
    Yacimientos Petrolíferos Fiscales (YPF) is Argentina’s historic state-founded oil and gas company, central to the country’s energy industry and economic development.
  • F. None of above.

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_69e0c454c248819093425d1099101c09 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e8b1b40eb48190ae03532de9841cba completed April 22, 2026, 11:32 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09c8f5491081908b3d3d3f9425d6ba completed May 17, 2026, 1:56 p.m.
NEDg Description generation batch_6a09c99200a88190ad13565044dfcac0 completed May 17, 2026, 1:58 p.m.
NED2 Entity disambiguation (via description) batch_6a09ca3c4ec48190829b1bd83b933f53 completed May 17, 2026, 2:01 p.m.
Created at: April 16, 2026, 5:41 p.m.