Triple

T17097242
Position Surface form Disambiguated ID Type / Status
Subject La Oroya E414879 entity
Predicate historicallyOperatedBy P15084 FINISHED
Object Cerro de Pasco Corporation
Cerro de Pasco Corporation was a major American mining company that dominated large-scale copper, silver, and other mineral extraction and smelting operations in central Peru during the 20th century.
 E1250141 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: Cerro de Pasco Corporation | Statement: [La Oroya, historicallyOperatedBy, Cerro de Pasco Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cerro de Pasco Corporation
Context triple: [La Oroya, historicallyOperatedBy, Cerro de Pasco Corporation]
  • A. Antofagasta plc
    Antofagasta plc is a major Chilean-based mining company primarily focused on copper production, with operations and projects in Chile and other countries.
  • B. Lanco
    Lanco is a small Chilean city located in the Los Ríos Region, known primarily as an agricultural and service center for the surrounding rural area.
  • C. Codelco
    Codelco is Chile’s state-owned copper mining company and one of the world’s largest producers of copper.
  • D. Nazca Corporation
    Nazca Corporation was a Japanese video game developer best known for creating the run-and-gun arcade series Metal Slug before being absorbed into SNK.
  • E. Fresnillo plc
    Fresnillo plc is a Mexico-based precious metals mining company and one of the world’s largest primary silver producers, with significant gold operations as well.
  • 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: Cerro de Pasco Corporation
Triple: [La Oroya, historicallyOperatedBy, Cerro de Pasco Corporation]
Generated description
Cerro de Pasco Corporation was a major American mining company that dominated large-scale copper, silver, and other mineral extraction and smelting operations in central Peru during the 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cerro de Pasco Corporation
Target entity description: Cerro de Pasco Corporation was a major American mining company that dominated large-scale copper, silver, and other mineral extraction and smelting operations in central Peru during the 20th century.
  • A. Antofagasta plc
    Antofagasta plc is a major Chilean-based mining company primarily focused on copper production, with operations and projects in Chile and other countries.
  • B. Lanco
    Lanco is a small Chilean city located in the Los Ríos Region, known primarily as an agricultural and service center for the surrounding rural area.
  • C. Codelco
    Codelco is Chile’s state-owned copper mining company and one of the world’s largest producers of copper.
  • D. Nazca Corporation
    Nazca Corporation was a Japanese video game developer best known for creating the run-and-gun arcade series Metal Slug before being absorbed into SNK.
  • E. Fresnillo plc
    Fresnillo plc is a Mexico-based precious metals mining company and one of the world’s largest primary silver producers, with significant gold operations as well.
  • 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_69d886cfc8e88190b05ba466edd35591 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3dbfe92988190aa066745ca9791d5 completed April 18, 2026, 7:31 p.m.
NED1 Entity disambiguation (via context triple) batch_6a012eedfd7c8190b267dedd403f5f2b completed May 11, 2026, 1:20 a.m.
NEDg Description generation batch_6a01302666a48190b7d7c33306e63911 completed May 11, 2026, 1:25 a.m.
NED2 Entity disambiguation (via description) batch_6a01308426a48190882dd057126bc43a completed May 11, 2026, 1:27 a.m.
Created at: April 10, 2026, 5:35 a.m.