Triple

T344060
Position Surface form Disambiguated ID Type / Status
Subject Cretaceous–Paleogene boundary E6899 entity
Predicate associatedWith P37 FINISHED
Object Cretaceous–Paleogene extinction event
The Cretaceous–Paleogene extinction event was a mass extinction about 66 million years ago, most famous for wiping out the non-avian dinosaurs along with many other species, likely triggered by a large asteroid impact and associated environmental changes.
E6899 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: Cretaceous–Paleogene extinction event | Statement: [Cretaceous–Paleogene boundary, associatedWith, Cretaceous–Paleogene extinction event]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cretaceous–Paleogene extinction event
Context triple: [Cretaceous–Paleogene boundary, associatedWith, Cretaceous–Paleogene extinction event]
  • A. Cretaceous–Paleogene boundary
    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.
  • B. 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.
  • C. 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.
  • D. Jurassic Period
    The Jurassic Period was a major division of the Mesozoic Era characterized by warm climates, the dominance and diversification of dinosaurs, and the early evolution of birds.
  • E. Paleogene
    The Paleogene is a geologic period that marks the beginning of the Cenozoic Era, characterized by the diversification of mammals and birds following the mass extinction that ended the age of dinosaurs.
  • 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: Cretaceous–Paleogene extinction event
Triple: [Cretaceous–Paleogene boundary, associatedWith, Cretaceous–Paleogene extinction event]
Generated description
The Cretaceous–Paleogene extinction event was a mass extinction about 66 million years ago, most famous for wiping out the non-avian dinosaurs along with many other species, likely triggered by a large asteroid impact and associated environmental changes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cretaceous–Paleogene extinction event
Target entity description: The Cretaceous–Paleogene extinction event was a mass extinction about 66 million years ago, most famous for wiping out the non-avian dinosaurs along with many other species, likely triggered by a large asteroid impact and associated environmental changes.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Jurassic Period
    The Jurassic Period was a major division of the Mesozoic Era characterized by warm climates, the dominance and diversification of dinosaurs, and the early evolution of birds.
  • E. Paleogene
    The Paleogene is a geologic period that marks the beginning of the Cenozoic Era, characterized by the diversification of mammals and birds following the mass extinction that ended the age of dinosaurs.
  • F. None of above.

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_69a2e7951ba08190960e90823b5078f3 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2eb0019088190a9b969c4287dc4fa completed Feb. 28, 2026, 1:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3e014e2748190b4c45b16186a0d66 completed March 1, 2026, 6:43 a.m.
NEDg Description generation batch_69a3e08a1b00819089a278b25d5c2a8f completed March 1, 2026, 6:45 a.m.
NED2 Entity disambiguation (via description) batch_69a3e1a5e2ec8190a5e7145ff36ace2e completed March 1, 2026, 6:50 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.