Triple

T21719380

Position	Surface form	Disambiguated ID	Type / Status
Subject	Rochester mining district	`E536113`	entity
Predicate	operator	`P179`	FINISHED
Object	Coeur Mining, Inc.	`—`	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: Coeur Mining, Inc. | Statement: [Rochester mining district, operator, Coeur Mining, Inc.]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Coeur Mining, Inc.
Context triple: [Rochester mining district, operator, Coeur Mining, Inc.]

A. Western Mining Corporation
Western Mining Corporation was a major Australian mining company known for its significant role in developing nickel and other mineral resources, particularly in Western Australia.
B. 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.
C. 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.
D. Kinross
Kinross is a small historic town in Perth and Kinross, Scotland, situated near Loch Leven and known as a gateway between central Scotland and the Highlands.
E. Glencorp
Glencorp is a locality or settlement situated within the scenic Glens of Antrim region in County Antrim, Northern Ireland.
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: Coeur Mining, Inc.
Target entity description: Coeur Mining, Inc. is a U.S.-based precious metals mining company that explores for, develops, and operates silver and gold mines across North and South America.

A. Western Mining Corporation
Western Mining Corporation was a major Australian mining company known for its significant role in developing nickel and other mineral resources, particularly in Western Australia.
B. 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.
C. 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.
D. Kinross
Kinross is a small historic town in Perth and Kinross, Scotland, situated near Loch Leven and known as a gateway between central Scotland and the Highlands.
E. Glencorp
Glencorp is a locality or settlement situated within the scenic Glens of Antrim region in County Antrim, Northern Ireland.
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_69e0c46c6dd88190a595375fa6ebd701`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69efd96de818819084c268d4775a8e3a`	completed	April 27, 2026, 9:47 p.m.

Created at: April 16, 2026, 6:47 p.m.