Triple

T21719379
Position Surface form Disambiguated ID Type / Status
Subject Rochester mining district E536113 entity
Predicate operatedBy P86 FINISHED
Object Coeur Rochester mine
Coeur Rochester mine is a major open-pit silver and gold mining operation in Nevada, United States, known as one of the primary assets of Coeur Mining.
 E1498909 NE FINISHED

How this triple was built (4 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 Rochester mine | Statement: [Rochester mining district, operatedBy, Coeur Rochester mine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coeur Rochester mine
Context triple: [Rochester mining district, operatedBy, Coeur Rochester mine]
  • A. Tioga Mine
    Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
  • B. Mohawk Mine
    Mohawk Mine was a historic copper mine in Michigan’s Keweenaw Peninsula that played a significant role in the region’s early 20th-century mining industry.
  • C. Calumet & Hecla Mine
    Calumet & Hecla Mine was one of the most productive and historically significant copper mines in the United States, central to the industrial development of Michigan’s Keweenaw Peninsula in the late 19th and early 20th centuries.
  • D. Garson Mine
    Garson Mine is an underground nickel and copper mine located in the Sudbury mining district of Ontario, Canada.
  • E. Andoom Mine
    Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Coeur Rochester mine
Triple: [Rochester mining district, operatedBy, Coeur Rochester mine]
Generated description
Coeur Rochester mine is a major open-pit silver and gold mining operation in Nevada, United States, known as one of the primary assets of Coeur Mining.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Coeur Rochester mine
Target entity description: Coeur Rochester mine is a major open-pit silver and gold mining operation in Nevada, United States, known as one of the primary assets of Coeur Mining.
  • A. Tioga Mine
    Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
  • B. Mohawk Mine
    Mohawk Mine was a historic copper mine in Michigan’s Keweenaw Peninsula that played a significant role in the region’s early 20th-century mining industry.
  • C. Calumet & Hecla Mine
    Calumet & Hecla Mine was one of the most productive and historically significant copper mines in the United States, central to the industrial development of Michigan’s Keweenaw Peninsula in the late 19th and early 20th centuries.
  • D. Garson Mine
    Garson Mine is an underground nickel and copper mine located in the Sudbury mining district of Ontario, Canada.
  • E. Andoom Mine
    Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
  • F. None of above. chosen

Provenance (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0a2eca5cfc8190946932f9ae0a6abb completed May 17, 2026, 9:10 p.m.
NEDg Description generation batch_6a0a2f42643081909821d237fde325b6 completed May 17, 2026, 9:12 p.m.
NED2 Entity disambiguation (via description) batch_6a0a2f9c68bc8190ae35cc69afbcbbbd completed May 17, 2026, 9:14 p.m.
Created at: April 16, 2026, 6:47 p.m.