Triple

T344071
Position Surface form Disambiguated ID Type / Status
Subject Cretaceous–Paleogene boundary E6899 entity
Predicate correlatesWith P2830 FINISHED
Object 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.
E45060 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: Chicxulub impact crater | Statement: [Cretaceous–Paleogene boundary, correlatesWith, Chicxulub impact crater]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicxulub impact crater
Context triple: [Cretaceous–Paleogene boundary, correlatesWith, Chicxulub impact crater]
  • A. Vredefort Dome
    Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
  • B. Gakkel Ridge
    Gakkel Ridge is a slow-spreading mid-ocean ridge located beneath the Arctic Ocean, forming the tectonic boundary between the North American and Eurasian plates.
  • C. 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.
  • D. Tokopah Valley
    Tokopah Valley is a scenic glacial valley in California’s Sierra Nevada known for its granite cliffs, alpine meadows, and proximity to Tokopah Falls within Sequoia National Park.
  • E. Valee
    Valee is an American rapper known for his laid-back flow, minimalist beats, and work with Kanye West’s G.O.O.D. Music label.
  • 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: Chicxulub impact crater
Triple: [Cretaceous–Paleogene boundary, correlatesWith, Chicxulub impact crater]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicxulub impact crater
Target entity description: 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.
  • A. Vredefort Dome
    Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
  • B. Gakkel Ridge
    Gakkel Ridge is a slow-spreading mid-ocean ridge located beneath the Arctic Ocean, forming the tectonic boundary between the North American and Eurasian plates.
  • C. 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.
  • D. Tokopah Valley
    Tokopah Valley is a scenic glacial valley in California’s Sierra Nevada known for its granite cliffs, alpine meadows, and proximity to Tokopah Falls within Sequoia National Park.
  • E. Valee
    Valee is an American rapper known for his laid-back flow, minimalist beats, and work with Kanye West’s G.O.O.D. Music label.
  • 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_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.