Triple
T18070601
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kennecott Copper Corporation |
E432416
|
entity |
| Predicate | successor |
P78
|
FINISHED |
| Object | Kennecott Utah Copper LLC |
—
|
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: Kennecott Utah Copper LLC | Statement: [Kennecott Copper Corporation, successor, Kennecott Utah Copper LLC]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kennecott Utah Copper LLC Context triple: [Kennecott Copper Corporation, successor, Kennecott Utah Copper LLC]
-
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.
Utah Copper Company
Utah Copper Company was a major early 20th-century American mining firm best known for developing the large-scale open-pit copper mine at Bingham Canyon in Utah.
-
C.
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.
-
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.
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.
- 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: Kennecott Utah Copper LLC Target entity description: Kennecott Utah Copper LLC is a major U.S. mining company best known for operating the large Bingham Canyon open-pit copper mine near Salt Lake City, Utah.
-
A.
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.
-
B.
Utah Copper Company
Utah Copper Company was a major early 20th-century American mining firm best known for developing the large-scale open-pit copper mine at Bingham Canyon in Utah.
-
C.
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.
-
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.
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.
- F. None of above.
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_69d8b9070cac81909fa9473fb1c3f1c7 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4cced29fc81908e87b4f1990fa0d8 |
completed | April 19, 2026, 12:39 p.m. |
Created at: April 10, 2026, 10:26 a.m.