Triple

T17042000
Position Surface form Disambiguated ID Type / Status
Subject Equatorial Euramerica E413466 entity
Predicate hasEvent P811 FINISHED
Object Carboniferous rainforest collapse E87795 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: Carboniferous rainforest collapse | Statement: [Equatorial Euramerica, hasEvent, Carboniferous rainforest collapse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Carboniferous rainforest collapse
Context triple: [Equatorial Euramerica, hasEvent, Carboniferous rainforest collapse]
  • A. Carboniferous rainforest collapse chosen
    The Carboniferous rainforest collapse was a mass extinction and fragmentation event of vast tropical coal-forest ecosystems around 305 million years ago, profoundly reshaping terrestrial biodiversity and climate in the late Paleozoic.
  • B. Phanerozoic mass extinctions
    Phanerozoic mass extinctions are the handful of catastrophic, globally disruptive biodiversity crises over the last ~540 million years that abruptly wiped out large proportions of Earth’s species and reshaped the course of evolution.
  • C. Devonian fossil forests
    Devonian fossil forests are some of the oldest known forest ecosystems on Earth, preserving early tree-like plants that reveal how terrestrial forests first evolved and transformed the planet’s environment.
  • D. Paleozoic mass extinctions
    Paleozoic mass extinctions were several major biodiversity crises between roughly 541 and 252 million years ago that dramatically reshaped marine and terrestrial life, including events like the Kellwasser extinctions and culminating in the end-Permian “Great Dying.”
  • E. Late Ordovician mass extinction
    The Late Ordovician mass extinction was one of Earth’s largest biodiversity crises, during which severe climate change and glaciation led to the rapid loss of a substantial portion of marine species.
  • 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_69d886cd18288190b006abab23f811b7 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3d8f771608190b596138ddec118c6 completed April 18, 2026, 7:18 p.m.
NED1 Entity disambiguation (via context triple) batch_6a01233a7e44819096f71f5007b4450f completed May 11, 2026, 12:30 a.m.
Created at: April 10, 2026, 5:33 a.m.