Triple

T33637825
Position Surface form Disambiguated ID Type / Status
Subject Minntac Mine E861743 entity
Predicate locatedOnGeologicFeature P205250 FINISHED
Object Biwabik Iron Formation
The Biwabik Iron Formation is a major Precambrian banded iron formation in northeastern Minnesota that hosts significant iron ore deposits mined on the Mesabi Range.
 E2058790 NE FINISHED

How this triple was built (3 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: Biwabik Iron Formation | Statement: [Minntac Mine, locatedOnGeologicFeature, Biwabik Iron Formation]
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: Biwabik Iron Formation
Triple: [Minntac Mine, locatedOnGeologicFeature, Biwabik Iron Formation]
Generated description
The Biwabik Iron Formation is a major Precambrian banded iron formation in northeastern Minnesota that hosts significant iron ore deposits mined on the Mesabi Range.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: locatedOnGeologicFeature
Context triple: [Minntac Mine, locatedOnGeologicFeature, Biwabik Iron Formation]
  • A. locatedInGeographicFeature
    Indicates that something is situated within or on a specific natural geographic feature (such as a mountain, river, valley, or lake).
  • B. isPartOfTectonicFeature
    Indicates that one geological entity is a component or subdivision of a larger tectonic feature or structure.
  • C. locatedOnTectonicBoundary
    Indicates that one entity is situated directly on or along the tectonic plate boundary associated with another entity.
  • D. geologicalPosition
    Indicates the spatial location or placement of one geological feature relative to another within the Earth's structure or landscape.
  • E. locatedOnTectonicPlate
    Indicates that one entity (typically a geographic region or feature) lies upon or is situated on the tectonic plate represented by the other entity.
  • F. None of above. chosen

Provenance (7 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_69f3498280c48190bcc3494017d14234 completed April 30, 2026, 12:22 p.m.
NER Named-entity recognition batch_6a037c9141dc819098d7fcc36e69882c completed May 12, 2026, 7:16 p.m.
NED1 Entity disambiguation (via context triple) batch_6a3611b50e60819087f00c6cf5ed9b9e completed June 20, 2026, 4:06 a.m.
NEDg Description generation batch_6a36121eafe48190af44fd40dae5578f completed June 20, 2026, 4:07 a.m.
NED2 Entity disambiguation (via description) batch_6a361297fbb8819085acfc601f909124 completed June 20, 2026, 4:10 a.m.
PD Predicate disambiguation batch_6a0379f505c88190ac0879ab422c3054 completed May 12, 2026, 7:05 p.m.
PDg Predicate description generation batch_6a037c80ba448190853011097a151b7e completed May 12, 2026, 7:16 p.m.
Created at: May 1, 2026, 1:42 a.m.