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.