Triple
T23130157
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Prestea |
E577143
|
entity |
| Predicate | hasMiningOperation |
P19172
|
FINISHED |
| Object | Prestea underground 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: Prestea underground mine | Statement: [Prestea, hasMiningOperation, Prestea underground mine]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prestea underground mine Context triple: [Prestea, hasMiningOperation, Prestea underground mine]
-
A.
Favona underground mine
Favona underground mine is a gold and silver underground mining operation located near Waihi on New Zealand’s North Island.
-
B.
Guido Coal Mine
Guido Coal Mine is a historic coal mining complex in Zabrze, Poland, now operating as an underground museum and cultural attraction.
-
C.
Mount Tom Price mine
Mount Tom Price mine is a large open-cut iron ore mine in Western Australia’s Pilbara region, operated by Rio Tinto and closely associated with the nearby town of Tom Price.
-
D.
Stanleigh Mine
Stanleigh Mine is a former uranium mine near Elliot Lake, Ontario, Canada, historically significant as part of the region’s large uranium mining industry.
-
E.
Minntac Mine
Minntac Mine is a large taconite iron ore mining and processing operation in Minnesota and one of the major producers of iron ore pellets in the United States.
- 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: Prestea underground mine Target entity description: Prestea underground mine is a historic gold mining operation in Ghana known for its extensive underground workings and long-standing contribution to the country’s gold production.
-
A.
Favona underground mine
Favona underground mine is a gold and silver underground mining operation located near Waihi on New Zealand’s North Island.
-
B.
Guido Coal Mine
Guido Coal Mine is a historic coal mining complex in Zabrze, Poland, now operating as an underground museum and cultural attraction.
-
C.
Mount Tom Price mine
Mount Tom Price mine is a large open-cut iron ore mine in Western Australia’s Pilbara region, operated by Rio Tinto and closely associated with the nearby town of Tom Price.
-
D.
Stanleigh Mine
Stanleigh Mine is a former uranium mine near Elliot Lake, Ontario, Canada, historically significant as part of the region’s large uranium mining industry.
-
E.
Minntac Mine
Minntac Mine is a large taconite iron ore mining and processing operation in Minnesota and one of the major producers of iron ore pellets in the United States.
- 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_69e245f7b0e481909c473ff4e6a54e2c |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e8671f48190887e57d5723e49c1 |
completed | April 29, 2026, 4:52 a.m. |
Created at: April 17, 2026, 4 p.m.