Triple

T11403646
Position Surface form Disambiguated ID Type / Status
Subject Keweenaw Peninsula E270178 entity
Predicate hasHistoricMine P99125 FINISHED
Object Copper Falls Mine
Copper Falls Mine is a historic copper mining site on Michigan’s Keweenaw Peninsula that was part of the region’s 19th-century copper boom.
E925874 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: Copper Falls Mine | Statement: [Keweenaw Peninsula, hasHistoricMine, Copper Falls Mine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Copper Falls Mine
Context triple: [Keweenaw Peninsula, hasHistoricMine, Copper Falls 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. Hollinger Mine
    Hollinger Mine was one of the largest and most productive gold mines in Canada, central to the development of Timmins, Ontario and the Porcupine mining district.
  • C. North Star Mine
    North Star Mine is a historic gold mine and landmark in Grass Valley, California, that played a significant role in the region’s 19th- and early 20th-century mining industry.
  • D. Capps Mine
    Capps Mine is a historically significant gold mine in North Carolina known for its role in the state’s early gold-mining industry.
  • E. Bullfrog Mine
    Bullfrog Mine was a prominent early 20th-century gold mine in Nevada that gave its name to the surrounding Bullfrog mining district and helped spur the regional mining boom.
  • 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: Copper Falls Mine
Triple: [Keweenaw Peninsula, hasHistoricMine, Copper Falls Mine]
Generated description
Copper Falls Mine is a historic copper mining site on Michigan’s Keweenaw Peninsula that was part of the region’s 19th-century copper boom.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Copper Falls Mine
Target entity description: Copper Falls Mine is a historic copper mining site on Michigan’s Keweenaw Peninsula that was part of the region’s 19th-century copper boom.
  • 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. Hollinger Mine
    Hollinger Mine was one of the largest and most productive gold mines in Canada, central to the development of Timmins, Ontario and the Porcupine mining district.
  • C. North Star Mine
    North Star Mine is a historic gold mine and landmark in Grass Valley, California, that played a significant role in the region’s 19th- and early 20th-century mining industry.
  • D. Capps Mine
    Capps Mine is a historically significant gold mine in North Carolina known for its role in the state’s early gold-mining industry.
  • E. Bullfrog Mine
    Bullfrog Mine was a prominent early 20th-century gold mine in Nevada that gave its name to the surrounding Bullfrog mining district and helped spur the regional mining boom.
  • 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_69d6aaddeaa8819088b30ef7b50598c9 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d808855a7481909314f90ad92aae68 completed April 9, 2026, 8:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5d3470e208190aef43936bac2e4e9 completed April 20, 2026, 7:18 a.m.
NEDg Description generation batch_69e5d659fd7c819090b168168e355cb8 completed April 20, 2026, 7:31 a.m.
NED2 Entity disambiguation (via description) batch_69e5d7f238cc8190a1c2dd26bdc5ff77 completed April 20, 2026, 7:38 a.m.
Created at: April 8, 2026, 9:34 p.m.