Triple
T20531985
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Anaconda, Montana |
E504090
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Anaconda Smelter Superfund site |
—
|
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 Superfund site | Statement: [Anaconda, Montana, partOf, Anaconda Smelter Superfund site]
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 Superfund site Context triple: [Anaconda, Montana, partOf, Anaconda Smelter Superfund site]
-
A.
Iron King Mine and Humboldt Smelter Superfund site
The Iron King Mine and Humboldt Smelter Superfund site is a contaminated former mining and smelting complex in Dewey-Humboldt, Arizona, undergoing long-term environmental cleanup due to heavy metal and arsenic pollution.
-
B.
Tar Creek Superfund site
The Tar Creek Superfund site is a heavily contaminated former lead and zinc mining area in northeastern Oklahoma, known as one of the nation’s most toxic environmental disaster zones and the focus of extensive cleanup and relocation efforts.
-
C.
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.
-
D.
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.
-
E.
Tsumeb Smelter
Tsumeb Smelter is a major metal-processing plant in Tsumeb, Namibia, known for treating complex copper and base-metal concentrates.
- 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 Superfund site Target entity description: The Anaconda Smelter Superfund site is a large, historically industrial area in Montana undergoing long-term environmental cleanup due to extensive contamination from past copper smelting operations.
-
A.
Iron King Mine and Humboldt Smelter Superfund site
The Iron King Mine and Humboldt Smelter Superfund site is a contaminated former mining and smelting complex in Dewey-Humboldt, Arizona, undergoing long-term environmental cleanup due to heavy metal and arsenic pollution.
-
B.
Tar Creek Superfund site
The Tar Creek Superfund site is a heavily contaminated former lead and zinc mining area in northeastern Oklahoma, known as one of the nation’s most toxic environmental disaster zones and the focus of extensive cleanup and relocation efforts.
-
C.
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.
-
D.
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.
-
E.
Tsumeb Smelter
Tsumeb Smelter is a major metal-processing plant in Tsumeb, Namibia, known for treating complex copper and base-metal concentrates.
- 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.