Triple
T12969481
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calumet Township, Michigan |
E321354
|
entity |
| Predicate | hasHistoricCompany |
P14827
|
FINISHED |
| Object | Calumet and Hecla Mining Company (historically based in area) |
E884939
|
NE FINISHED |
How this triple was built (2 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: Calumet and Hecla Mining Company (historically based in area) | Statement: [Calumet Township, Michigan, hasHistoricCompany, Calumet and Hecla Mining Company (historically based in area)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calumet and Hecla Mining Company (historically based in area) Context triple: [Calumet Township, Michigan, hasHistoricCompany, Calumet and Hecla Mining Company (historically based in area)]
-
A.
Calumet & Hecla Mining Company
chosen
Calumet & Hecla Mining Company was a major American copper mining company based in Michigan’s Keweenaw Peninsula that dominated U.S. copper production in the late 19th and early 20th centuries.
-
B.
Kennecott Copper Corporation
Kennecott Copper Corporation was a major American mining company best known for its large-scale copper operations in the United States and abroad during the 20th century.
-
C.
Calumet & Hecla Mining Company library
The Calumet & Hecla Mining Company library is a historic company-built library in Calumet, Michigan, that served mining employees and the local community and now stands as part of the region’s preserved industrial heritage.
-
D.
Bechtel Mining & Metals
Bechtel Mining & Metals is a business unit of Bechtel Corporation that provides engineering, procurement, construction, and project management services for mining and metals projects worldwide.
-
E.
Eveleth Taconite Company
Eveleth Taconite Company was an iron mining company in Minnesota best known for being the employer at the center of the landmark sexual harassment class-action lawsuit Jenson v. Eveleth Taconite Co.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d80763bd6c819094437da5b20b01d2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97e407e5081909424fc0c22483c28 |
completed | April 10, 2026, 10:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6b8e6b31c8190b09276003f284f25 |
completed | May 3, 2026, 2:54 a.m. |
Created at: April 9, 2026, 8:34 p.m.