Triple
T15474348
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Soudan, Minnesota |
E376745
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
United States Iron Range mining district
The United States Iron Range mining district is a historic iron-ore–producing region in northeastern Minnesota known for its extensive open-pit and underground mines that fueled U.S. steel production.
|
E850399
|
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: United States Iron Range mining district | Statement: [Soudan, Minnesota, partOf, United States Iron Range mining district]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United States Iron Range mining district Context triple: [Soudan, Minnesota, partOf, United States Iron Range mining district]
-
A.
Keweenaw copper mining district
The Keweenaw copper mining district is a historic region on Michigan’s Keweenaw Peninsula renowned for its extensive native copper deposits and 19th–20th century industrial mining operations.
-
B.
Hibbing mining district
The Hibbing mining district is a major iron ore mining region on Minnesota’s Mesabi Range, historically one of the world’s most productive sources of iron ore.
-
C.
Rochester mining district
The Rochester mining district is a historic and active silver and gold mining area in Pershing County, Nevada, known for significant precious metal production since the late 19th century.
-
D.
Tri-State mining district
The Tri-State mining district was a historically significant lead and zinc mining region spanning parts of Kansas, Missouri, and Oklahoma in the central United States.
-
E.
Marquette Iron Range
The Marquette Iron Range is a major iron ore mining district in Michigan's Upper Peninsula that historically served as one of the United States' most important sources of iron.
- 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: United States Iron Range mining district Triple: [Soudan, Minnesota, partOf, United States Iron Range mining district]
Generated description
The United States Iron Range mining district is a historic iron-ore–producing region in northeastern Minnesota known for its extensive open-pit and underground mines that fueled U.S. steel production.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: United States Iron Range mining district Target entity description: The United States Iron Range mining district is a historic iron-ore–producing region in northeastern Minnesota known for its extensive open-pit and underground mines that fueled U.S. steel production.
-
A.
Keweenaw copper mining district
The Keweenaw copper mining district is a historic region on Michigan’s Keweenaw Peninsula renowned for its extensive native copper deposits and 19th–20th century industrial mining operations.
-
B.
Hibbing mining district
chosen
The Hibbing mining district is a major iron ore mining region on Minnesota’s Mesabi Range, historically one of the world’s most productive sources of iron ore.
-
C.
Rochester mining district
The Rochester mining district is a historic and active silver and gold mining area in Pershing County, Nevada, known for significant precious metal production since the late 19th century.
-
D.
Tri-State mining district
The Tri-State mining district was a historically significant lead and zinc mining region spanning parts of Kansas, Missouri, and Oklahoma in the central United States.
-
E.
Marquette Iron Range
The Marquette Iron Range is a major iron ore mining district in Michigan's Upper Peninsula that historically served as one of the United States' most important sources of iron.
- F. None of above.
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_69d85cd21dcc81908646251b1c26ea00 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e03f6e859481909c3d08343b7ad27c |
completed | April 16, 2026, 1:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff2d075e64819097061ef4c205577e |
completed | May 9, 2026, 12:48 p.m. |
| NEDg | Description generation | batch_69ff2e1fb27c81908de0d755bf30c833 |
completed | May 9, 2026, 12:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff2f3d8d748190867a55b44bc95eb0 |
completed | May 9, 2026, 12:57 p.m. |
Created at: April 10, 2026, 3:34 a.m.