Triple

T18070604
Position Surface form Disambiguated ID Type / Status
Subject Kennecott Copper Corporation E432416 entity
Predicate acquiredBy P347 FINISHED
Object Rio Tinto Group (for major former operations such as Bingham Canyon)
Rio Tinto Group (for major former operations such as Bingham Canyon) is a leading global mining company known for its large-scale copper extraction and processing activities, including the historic Bingham Canyon Mine in Utah.
E432416 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: Rio Tinto Group (for major former operations such as Bingham Canyon) | Statement: [Kennecott Copper Corporation, acquiredBy, Rio Tinto Group (for major former operations such as Bingham Canyon)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rio Tinto Group (for major former operations such as Bingham Canyon)
Context triple: [Kennecott Copper Corporation, acquiredBy, Rio Tinto Group (for major former operations such as Bingham Canyon)]
  • A. Bechtel Mining & Metals
    Bechtel Mining & Metals is a business unit of Bechtel Corporation that provides engineering, procurement, construction, and project management services for mining and metals projects worldwide.
  • B. Calumet & Hecla Mining Company
    Calumet & Hecla Mining Company was a major American copper mining company based in Michigan’s Keweenaw Peninsula that dominated U.S. copper production in the late 19th and early 20th centuries.
  • C. Kennecott Copper Corporation
    Kennecott Copper Corporation was a major American mining company best known for its large-scale copper operations in the United States and abroad during the 20th century.
  • D. Nevada Consolidated Copper Company
    Nevada Consolidated Copper Company was a major early 20th-century American mining firm known for its large-scale copper operations in eastern Nevada.
  • E. United Verde Copper Company
    The United Verde Copper Company was a major early 20th-century American mining company in Arizona, central to the region’s copper production and the development of nearby company towns.
  • 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: Rio Tinto Group (for major former operations such as Bingham Canyon)
Triple: [Kennecott Copper Corporation, acquiredBy, Rio Tinto Group (for major former operations such as Bingham Canyon)]
Generated description
Rio Tinto Group (for major former operations such as Bingham Canyon) is a leading global mining company known for its large-scale copper extraction and processing activities, including the historic Bingham Canyon Mine in Utah.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rio Tinto Group (for major former operations such as Bingham Canyon)
Target entity description: Rio Tinto Group (for major former operations such as Bingham Canyon) is a leading global mining company known for its large-scale copper extraction and processing activities, including the historic Bingham Canyon Mine in Utah.
  • A. Bechtel Mining & Metals
    Bechtel Mining & Metals is a business unit of Bechtel Corporation that provides engineering, procurement, construction, and project management services for mining and metals projects worldwide.
  • B. Calumet & Hecla Mining Company
    Calumet & Hecla Mining Company was a major American copper mining company based in Michigan’s Keweenaw Peninsula that dominated U.S. copper production in the late 19th and early 20th centuries.
  • C. Kennecott Copper Corporation chosen
    Kennecott Copper Corporation was a major American mining company best known for its large-scale copper operations in the United States and abroad during the 20th century.
  • D. Nevada Consolidated Copper Company
    Nevada Consolidated Copper Company was a major early 20th-century American mining firm known for its large-scale copper operations in eastern Nevada.
  • E. United Verde Copper Company
    The United Verde Copper Company was a major early 20th-century American mining company in Arizona, central to the region’s copper production and the development of nearby company towns.
  • 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_69d8b9070cac81909fa9473fb1c3f1c7 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4cced29fc81908e87b4f1990fa0d8 completed April 19, 2026, 12:39 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0356748f848190bb4c263355edf07f completed May 12, 2026, 4:33 p.m.
NEDg Description generation batch_6a03581a400c819091bbad0a45b482a0 completed May 12, 2026, 4:40 p.m.
NED2 Entity disambiguation (via description) batch_6a03590c44b8819099bbce039ddec07c completed May 12, 2026, 4:45 p.m.
Created at: April 10, 2026, 10:26 a.m.