Triple

T9128970
Position Surface form Disambiguated ID Type / Status
Subject West African Craton E219034 entity
Predicate hasSubunit P747 FINISHED
Object Birimian terranes
Birimian terranes are ancient Paleoproterozoic volcanic and sedimentary rock belts in West Africa that host major gold and base metal deposits and form a key part of the region’s early continental crust.
E779349 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: Birimian terranes | Statement: [West African Craton, hasSubunit, Birimian terranes]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Birimian terranes
Context triple: [West African Craton, hasSubunit, Birimian terranes]
  • A. Grampian Terrane
    The Grampian Terrane is a major geological block in Scotland characterized by ancient metamorphic and igneous rocks that form much of the Grampian Highlands.
  • B. Southern Uplands terrane
    The Southern Uplands terrane is a geological region in southern Scotland composed mainly of deformed and folded sedimentary rocks, representing an ancient accretionary prism formed during the closure of the Iapetus Ocean.
  • C. Avalonia microcontinent
    Avalonia microcontinent was a small ancient landmass that rifted from Gondwana and later collided with Laurentia and Baltica, contributing to the formation of parts of modern North America and Western Europe.
  • D. Chugach terrane
    The Chugach terrane is a large accretionary complex in southern Alaska composed mainly of deformed sedimentary and volcanic rocks that were scraped off an ancient subducting oceanic plate and later uplifted to form part of the modern Chugach Mountains.
  • E. Bayan Har tectonic block
    The Bayan Har tectonic block is a major crustal block on the Tibetan Plateau that plays a key role in accommodating the region’s complex continental deformation and seismic activity.
  • 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: Birimian terranes
Triple: [West African Craton, hasSubunit, Birimian terranes]
Generated description
Birimian terranes are ancient Paleoproterozoic volcanic and sedimentary rock belts in West Africa that host major gold and base metal deposits and form a key part of the region’s early continental crust.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Birimian terranes
Target entity description: Birimian terranes are ancient Paleoproterozoic volcanic and sedimentary rock belts in West Africa that host major gold and base metal deposits and form a key part of the region’s early continental crust.
  • A. Grampian Terrane
    The Grampian Terrane is a major geological block in Scotland characterized by ancient metamorphic and igneous rocks that form much of the Grampian Highlands.
  • B. Southern Uplands terrane
    The Southern Uplands terrane is a geological region in southern Scotland composed mainly of deformed and folded sedimentary rocks, representing an ancient accretionary prism formed during the closure of the Iapetus Ocean.
  • C. Avalonia microcontinent
    Avalonia microcontinent was a small ancient landmass that rifted from Gondwana and later collided with Laurentia and Baltica, contributing to the formation of parts of modern North America and Western Europe.
  • D. Chugach terrane
    The Chugach terrane is a large accretionary complex in southern Alaska composed mainly of deformed sedimentary and volcanic rocks that were scraped off an ancient subducting oceanic plate and later uplifted to form part of the modern Chugach Mountains.
  • E. Bayan Har tectonic block
    The Bayan Har tectonic block is a major crustal block on the Tibetan Plateau that plays a key role in accommodating the region’s complex continental deformation and seismic activity.
  • F. None of above. chosen

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_69ca83debfc0819095800583e97ab10f completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cca8cc85b081908ee80db0e3b7df15 completed April 1, 2026, 5:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d030a934988190976aa359f9f902c3 completed April 3, 2026, 9:27 p.m.
NEDg Description generation batch_69d032a7d9808190a4b3be86e49afb22 completed April 3, 2026, 9:35 p.m.
NED2 Entity disambiguation (via description) batch_69d0337057048190af062152688599a1 completed April 3, 2026, 9:38 p.m.
Created at: March 30, 2026, 7:18 p.m.