Triple
T21479450
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rio Tinto |
E529949
|
entity |
| Predicate | owns |
P347
|
FINISHED |
| Object | Pilbara iron ore operations |
—
|
NE NERFINISHED |
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: Pilbara iron ore operations | Statement: [Rio Tinto, owns, Pilbara iron ore operations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pilbara iron ore operations Context triple: [Rio Tinto, owns, Pilbara iron ore operations]
-
A.
Pilbara iron ore mines
chosen
Pilbara iron ore mines are a vast network of large-scale open-pit iron ore operations in Western Australia that form one of the world’s major sources of seaborne iron ore.
-
B.
McArthur River Mine
McArthur River Mine is a major zinc-lead mining operation in Australia’s Northern Territory, known as one of the world’s largest zinc deposits and a source of significant environmental and Indigenous land-rights controversy.
-
C.
East Weipa Mine
East Weipa Mine is a major bauxite mining operation near the town of Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
-
D.
Carol Lake iron ore mine
Carol Lake iron ore mine is a major iron ore mining operation located near Labrador City in western Labrador, Canada.
-
E.
Kumba Iron Ore
Kumba Iron Ore is a South African mining company that is one of the continent’s largest producers and exporters of high-quality iron ore.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c45acc3881908e38d3f28964152b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9ea1a37a88190845810cbcacbad65 |
completed | April 23, 2026, 9:44 a.m. |
Created at: April 16, 2026, 6:20 p.m.