Triple

T5084863
Position Surface form Disambiguated ID Type / Status
Subject Bechtel Corporation E114611 entity
Predicate hasSubsidiary P254 FINISHED
Object 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.
E492135 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: Bechtel Mining & Metals | Statement: [Bechtel Corporation, hasSubsidiary, Bechtel Mining & Metals]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bechtel Mining & Metals
Context triple: [Bechtel Corporation, hasSubsidiary, Bechtel Mining & Metals]
  • A. 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.
  • B. Cameco Corporation
    Cameco Corporation is one of the world’s largest publicly traded uranium producers, supplying fuel for nuclear power generation globally.
  • C. Mmakau Mining
    Mmakau Mining is a South African mining company known for its black female leadership and involvement in various mineral resource projects across the country.
  • D. Braden Copper Company
    Braden Copper Company was an American mining company that played a major role in developing and operating large-scale copper mining operations in Chile in the early 20th century.
  • E. Martin Marietta
    Martin Marietta was a major American aerospace and defense contractor known for building rockets, spacecraft components, and other systems for U.S. military and civilian space programs.
  • 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: Bechtel Mining & Metals
Triple: [Bechtel Corporation, hasSubsidiary, Bechtel Mining & Metals]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bechtel Mining & Metals
Target entity description: 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.
  • A. 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.
  • B. Cameco Corporation
    Cameco Corporation is one of the world’s largest publicly traded uranium producers, supplying fuel for nuclear power generation globally.
  • C. Mmakau Mining
    Mmakau Mining is a South African mining company known for its black female leadership and involvement in various mineral resource projects across the country.
  • D. Braden Copper Company
    Braden Copper Company was an American mining company that played a major role in developing and operating large-scale copper mining operations in Chile in the early 20th century.
  • E. Martin Marietta
    Martin Marietta was a major American aerospace and defense contractor known for building rockets, spacecraft components, and other systems for U.S. military and civilian space programs.
  • 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_69bd443e941881908eb4e8c685b6f656 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd75192d188190a7631bce5faf7de3 completed March 20, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69beb13a8be08190a0f1fc3aec224dde completed March 21, 2026, 2:54 p.m.
NEDg Description generation batch_69beb22ca4148190b599b48c05e5e3da completed March 21, 2026, 2:58 p.m.
NED2 Entity disambiguation (via description) batch_69beb2c80a6881908ad29936da1240d2 completed March 21, 2026, 3:01 p.m.
Created at: March 20, 2026, 1:40 p.m.