Triple

T20531963
Position Surface form Disambiguated ID Type / Status
Subject Anaconda, Montana E504090 entity
Predicate partOf P40 FINISHED
Object Butte–Anaconda mining district — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Butte–Anaconda mining district | Statement: [Anaconda, Montana, partOf, Butte–Anaconda mining district]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Butte–Anaconda mining district
Context triple: [Anaconda, Montana, partOf, Butte–Anaconda mining district]
  • A. Tintic Mining District
    Tintic Mining District is a historic mining area in central Utah known for its rich deposits of silver, lead, gold, and other minerals that spurred significant economic development in the late 19th and early 20th centuries.
  • B. Coeur d'Alene Mining District
    The Coeur d'Alene Mining District is a historically significant silver- and lead-producing mining region in northern Idaho that was once one of the most productive silver districts in the world.
  • C. Aspen mining district
    The Aspen mining district is a historic Colorado mining area that became one of the nation’s richest silver-producing regions in the late 19th century.
  • D. Grass Valley mining district
    The Grass Valley mining district is a historic gold-mining region in Nevada County, California, known for its rich quartz gold deposits and numerous deep hard-rock mines.
  • E. Orogrande mining district
    The Orogrande mining district is a historic mineral-producing area in southern New Mexico known for its gold and other metal deposits that spurred early 20th-century mining activity.
  • 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: Butte–Anaconda mining district
Target entity description: The Butte–Anaconda mining district is a historic mining region in southwestern Montana known for its extensive copper production and pivotal role in the development of the American mining industry.
  • A. Tintic Mining District
    Tintic Mining District is a historic mining area in central Utah known for its rich deposits of silver, lead, gold, and other minerals that spurred significant economic development in the late 19th and early 20th centuries.
  • B. Coeur d'Alene Mining District
    The Coeur d'Alene Mining District is a historically significant silver- and lead-producing mining region in northern Idaho that was once one of the most productive silver districts in the world.
  • C. Aspen mining district
    The Aspen mining district is a historic Colorado mining area that became one of the nation’s richest silver-producing regions in the late 19th century.
  • D. Grass Valley mining district
    The Grass Valley mining district is a historic gold-mining region in Nevada County, California, known for its rich quartz gold deposits and numerous deep hard-rock mines.
  • E. Orogrande mining district
    The Orogrande mining district is a historic mineral-producing area in southern New Mexico known for its gold and other metal deposits that spurred early 20th-century mining activity.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4b3a6e08190ae663701f50fab8e elicitation completed
NER batch_69e6a06c709881908ef0995426a58759 ner completed
Created at: April 16, 2026, 11:37 a.m.