Triple
T20531950
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Anaconda, Montana |
E504090
|
entity |
| Predicate | knownFor |
P22
|
FINISHED |
| Object | Anaconda Smelter Stack |
—
|
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: Anaconda Smelter Stack | Statement: [Anaconda, Montana, knownFor, Anaconda Smelter Stack]
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: Anaconda Smelter Stack Context triple: [Anaconda, Montana, knownFor, Anaconda Smelter Stack]
-
A.
Quincy Smelter
Quincy Smelter is a historic copper smelting complex in Michigan’s Keweenaw Peninsula, notable as one of the most intact remnants of the region’s 19th- and early 20th-century copper mining industry.
-
B.
Tsumeb Smelter
Tsumeb Smelter is a major metal-processing plant in Tsumeb, Namibia, known for treating complex copper and base-metal concentrates.
-
C.
Trail smelter
The Trail smelter is a large, historically significant lead and zinc smelting facility in Trail, British Columbia, known for its role in a landmark international environmental law case.
-
D.
United Verde Mine
The United Verde Mine was a major copper mining operation in Jerome, Arizona, that drove the town’s rapid growth and economic boom in the late 19th and early 20th centuries.
-
E.
Chino Mine complex
The Chino Mine complex is one of the largest and oldest open-pit copper mining operations in the United States, located near Santa Rita in southwestern New Mexico.
- 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: Anaconda Smelter Stack Target entity description: The Anaconda Smelter Stack is a towering historic smokestack in Anaconda, Montana, and one of the tallest free-standing masonry structures in the world, symbolizing the region’s copper-smelting past.
-
A.
Quincy Smelter
Quincy Smelter is a historic copper smelting complex in Michigan’s Keweenaw Peninsula, notable as one of the most intact remnants of the region’s 19th- and early 20th-century copper mining industry.
-
B.
Tsumeb Smelter
Tsumeb Smelter is a major metal-processing plant in Tsumeb, Namibia, known for treating complex copper and base-metal concentrates.
-
C.
Trail smelter
The Trail smelter is a large, historically significant lead and zinc smelting facility in Trail, British Columbia, known for its role in a landmark international environmental law case.
-
D.
United Verde Mine
The United Verde Mine was a major copper mining operation in Jerome, Arizona, that drove the town’s rapid growth and economic boom in the late 19th and early 20th centuries.
-
E.
Chino Mine complex
The Chino Mine complex is one of the largest and oldest open-pit copper mining operations in the United States, located near Santa Rita in southwestern New Mexico.
- 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.