Triple

T2191713
Position Surface form Disambiguated ID Type / Status
Subject Hibbing, Minnesota E49875 entity
Predicate hasAttraction P105 FINISHED
Object Hull–Rust–Mahoning Open Pit Iron Mine E242508 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: Hull–Rust–Mahoning Open Pit Iron Mine | Statement: [Hibbing, Minnesota, hasAttraction, Hull–Rust–Mahoning Open Pit Iron Mine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hull–Rust–Mahoning Open Pit Iron Mine
Context triple: [Hibbing, Minnesota, hasAttraction, Hull–Rust–Mahoning Open Pit Iron Mine]
  • A. Hull–Rust–Mahoning Open Pit Iron Mine chosen
    The Hull–Rust–Mahoning Open Pit Iron Mine is one of the world’s largest open-pit iron ore mines and a historically significant mining site on Minnesota’s Mesabi Range.
  • B. Tioga Mine
    Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
  • C. Panguna mine
    Panguna mine is a large, now-closed open-cut copper and gold mine in Papua New Guinea that was once among the world’s biggest and played a central role in the Bougainville conflict.
  • D. North Star Mine
    North Star Mine is a historic gold mine and landmark in Grass Valley, California, that played a significant role in the region’s 19th- and early 20th-century mining industry.
  • E. Los Pelambres mine
    Los Pelambres mine is a large open-pit copper and molybdenum mining operation located in the Coquimbo Region of Chile and operated by Antofagasta plc.
  • 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_69a88aaba3c48190b351cab9b26989ff completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abbf48ceb48190956df39377df0548 completed March 7, 2026, 6:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae65427de48190be3dbc9c0a888332 completed March 9, 2026, 6:14 a.m.
Created at: March 4, 2026, 7:46 p.m.