Triple

T21479455
Position Surface form Disambiguated ID Type / Status
Subject Rio Tinto E529949 entity
Predicate subsidiary P258 FINISHED
Object Rio Tinto Copper — NE NERFINISHED

How this triple was built (3 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: Rio Tinto Copper | Statement: [Rio Tinto, subsidiary, Rio Tinto Copper]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rio Tinto Copper
Context triple: [Rio Tinto, subsidiary, Rio Tinto Copper]
  • A. Falun Copper Mine
    Falun Copper Mine is a historic Swedish mining site in Dalarna, once one of Europe’s most important copper producers and now preserved as a UNESCO World Heritage Site.
  • B. La Escondida copper mine
    La Escondida copper mine is the world’s largest copper-producing mine, located in Chile’s Atacama Desert and a major contributor to global copper supply.
  • C. Anaconda Copper Mining Company
    The Anaconda Copper Mining Company was a major American mining corporation that became one of the world’s largest copper producers and a dominant economic force in Montana and the wider Rocky Mountain region.
  • D. Cerro Verde copper deposit
    The Cerro Verde copper deposit is a major porphyry copper ore body in southern Peru, notable for its large-scale open-pit mining operations and significant contribution to global copper production.
  • E. Toquepala copper deposit
    The Toquepala copper deposit is a major Peruvian porphyry copper ore body renowned for its large-scale open-pit mine and significant contribution to global copper production.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rio Tinto Copper
Target entity description: Rio Tinto Copper is the copper-focused division of the global mining group Rio Tinto, responsible for exploring, mining, and processing copper resources worldwide.
  • A. Falun Copper Mine
    Falun Copper Mine is a historic Swedish mining site in Dalarna, once one of Europe’s most important copper producers and now preserved as a UNESCO World Heritage Site.
  • B. La Escondida copper mine
    La Escondida copper mine is the world’s largest copper-producing mine, located in Chile’s Atacama Desert and a major contributor to global copper supply.
  • C. Anaconda Copper Mining Company
    The Anaconda Copper Mining Company was a major American mining corporation that became one of the world’s largest copper producers and a dominant economic force in Montana and the wider Rocky Mountain region.
  • D. Cerro Verde copper deposit
    The Cerro Verde copper deposit is a major porphyry copper ore body in southern Peru, notable for its large-scale open-pit mining operations and significant contribution to global copper production.
  • E. Toquepala copper deposit
    The Toquepala copper deposit is a major Peruvian porphyry copper ore body renowned for its large-scale open-pit mine and significant contribution to global copper production.
  • F. None of above. chosen

Provenance (2 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_69e0c45acc3881908e38d3f28964152b completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9ea1a37a88190845810cbcacbad65 completed April 23, 2026, 9:44 a.m.
Created at: April 16, 2026, 6:20 p.m.