Triple

T425042
Position Surface form Disambiguated ID Type / Status
Subject Mesozoic Era E8188 entity
Predicate endedByEvent P4327 FINISHED
Object Cretaceous–Paleogene mass extinction E6899 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: Cretaceous–Paleogene mass extinction | Statement: [Mesozoic Era, endedByEvent, Cretaceous–Paleogene mass extinction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cretaceous–Paleogene mass extinction
Context triple: [Mesozoic Era, endedByEvent, Cretaceous–Paleogene mass extinction]
  • A. Permian–Triassic mass extinction
    The Permian–Triassic mass extinction was the most severe biodiversity crisis in Earth's history, wiping out the majority of marine and terrestrial species around 252 million years ago and marking the boundary between the Paleozoic and Mesozoic eras.
  • B. Cretaceous–Paleogene boundary chosen
    The Cretaceous–Paleogene boundary marks the geological transition 66 million years ago associated with a mass extinction event that wiped out non-avian dinosaurs and many other species, likely triggered by a large asteroid impact.
  • C. Chicxulub impact crater
    The Chicxulub impact crater is a massive buried structure in Mexico’s Yucatán Peninsula formed by an asteroid impact widely linked to the mass extinction event that wiped out the non-avian dinosaurs.
  • D. The Sixth Extinction
    The Sixth Extinction is a nonfiction book by Elizabeth Kolbert that examines humanity’s role in causing an ongoing mass extinction of species and its implications for the planet’s future.
  • E. Cretaceous
    The Cretaceous was the final period of the Mesozoic Era, marked by high sea levels, diverse dinosaurs, and ending with the mass extinction that wiped them out about 66 million years ago.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: endedByEvent
Context triple: [Mesozoic Era, endedByEvent, Cretaceous–Paleogene mass extinction]
  • A. basedOnEvent
    Indicates that something is derived from, influenced by, or determined in reference to a specific event.
  • B. shapedByEvent
    Indicates that something’s form, state, or characteristics are influenced or determined by a particular event.
  • C. concludedAtEvent chosen
    Indicates that an entity’s participation, state, or validity ended as a result of a specific event.
  • D. oversawEvent
    Indicates that an entity had supervisory or managerial responsibility for the planning, execution, or overall conduct of an event.
  • E. concludedBy
    Indicates that an event, process, or state is brought to an end or finalized by a specific agent or entity.
  • F. None of above.

Provenance (4 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_69a2e7f1d1bc81909cf2dc9754a3c334 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2eed56ab481909eec289075496260 completed Feb. 28, 2026, 1:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69a42f64cccc8190afae9aa50097670a completed March 1, 2026, 12:21 p.m.
PD Predicate disambiguation batch_69a2edd6736c81909a6ca549f77b4345 completed Feb. 28, 2026, 1:29 p.m.
Created at: Feb. 28, 2026, 1:11 p.m.