Triple
T21479449
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rio Tinto |
E529949
|
entity |
| Predicate | owns |
P347
|
FINISHED |
| Object | Oyu Tolgoi mine |
—
|
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: Oyu Tolgoi mine | Statement: [Rio Tinto, owns, Oyu Tolgoi mine]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oyu Tolgoi mine Context triple: [Rio Tinto, owns, Oyu Tolgoi mine]
-
A.
Muruntau gold mine
The Muruntau gold mine is one of the world’s largest open-pit gold mines, located in Uzbekistan’s Kyzylkum Desert and known for its vast reserves and high production.
-
B.
Grasberg mine
Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
-
C.
Bayan Obo rare earth mine
The Bayan Obo rare earth mine is the world’s largest known rare earth element deposit and a major source of iron and niobium, located in Inner Mongolia, China.
-
D.
Kiruna Mine
Kiruna Mine is one of the world’s largest and most modern underground iron ore mines, located in northern Sweden above the Arctic Circle.
-
E.
Saraji Mine
Saraji Mine is a large open-cut coal mine in Queensland, Australia, known as one of the major coking coal producers in the Bowen Basin.
- 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: Oyu Tolgoi mine Target entity description: Oyu Tolgoi mine is a major copper and gold mining complex in Mongolia and one of the world’s largest known copper-gold deposits.
-
A.
Muruntau gold mine
The Muruntau gold mine is one of the world’s largest open-pit gold mines, located in Uzbekistan’s Kyzylkum Desert and known for its vast reserves and high production.
-
B.
Grasberg mine
Grasberg mine is one of the world’s largest gold and copper mines, located in the highlands of Papua, Indonesia.
-
C.
Bayan Obo rare earth mine
The Bayan Obo rare earth mine is the world’s largest known rare earth element deposit and a major source of iron and niobium, located in Inner Mongolia, China.
-
D.
Kiruna Mine
Kiruna Mine is one of the world’s largest and most modern underground iron ore mines, located in northern Sweden above the Arctic Circle.
-
E.
Saraji Mine
Saraji Mine is a large open-cut coal mine in Queensland, Australia, known as one of the major coking coal producers in the Bowen Basin.
- F. None of above. chosen
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.