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.