Triple
T7152080
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Panguna mine |
E166714
|
entity |
| Predicate | developedBy |
P73
|
FINISHED |
| Object | Bougainville Copper Limited |
E646064
|
NE FINISHED |
How this triple was built (2 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: Bougainville Copper Limited | Statement: [Panguna mine, developedBy, Bougainville Copper Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bougainville Copper Limited Context triple: [Panguna mine, developedBy, Bougainville Copper Limited]
-
A.
Bougainville Copper Limited
chosen
Bougainville Copper Limited is a mining company best known for operating the large Panguna copper and gold mine on Bougainville Island in Papua New Guinea.
-
B.
Katanga Mining Limited
Katanga Mining Limited is a mining company focused on copper and cobalt production in the Democratic Republic of Congo.
-
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.
Antofagasta plc
Antofagasta plc is a major Chilean-based mining company primarily focused on copper production, with operations and projects in Chile and other countries.
-
E.
Rio Tinto
Rio Tinto is a leading global mining and metals company headquartered in the United Kingdom and Australia, known for producing iron ore, aluminum, copper, and other minerals.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c68886779c8190a8e3fbabffe68253 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e7f3e4a88190a3110f2368262528 |
completed | March 27, 2026, 8:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7b8f42abc8190856210b8dea0a6de |
completed | March 28, 2026, 11:18 a.m. |
Created at: March 27, 2026, 2:46 p.m.