Triple

T391049
Position Surface form Disambiguated ID Type / Status
Subject Paleogene E8880 entity
Predicate contains P35 FINISHED
Object Eocene–Oligocene climate transition
The Eocene–Oligocene climate transition was a major global cooling event around 34 million years ago that marked the shift from a greenhouse to an icehouse Earth, including the formation of large Antarctic ice sheets.
E49688 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: Eocene–Oligocene climate transition | Statement: [Paleogene, contains, Eocene–Oligocene climate transition]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eocene–Oligocene climate transition
Context triple: [Paleogene, contains, Eocene–Oligocene climate transition]
  • A. On the Imperfection of the Geological Record
    "On the Imperfection of the Geological Record" is a chapter in Charles Darwin's *On the Origin of Species* that addresses why the fossil record is incomplete and how this affects evidence for evolutionary change.
  • B. Pliocene epoch
    The Pliocene epoch was a geological time period roughly 5.3 to 2.6 million years ago marked by cooler global climates, the expansion of grasslands, and significant evolutionary developments among mammals and early hominins.
  • C. Great American Biotic Interchange between North and South America
    The Great American Biotic Interchange between North and South America was a major paleozoogeographic event in which land and freshwater animals migrated between the two continents after the formation of the Isthmus of Panama, profoundly reshaping their ecosystems and faunas.
  • D. Evolving Planet
    Evolving Planet is a permanent exhibition at Chicago’s Field Museum that traces the history of life on Earth, from its origins through the age of dinosaurs to the present.
  • E. Anthropocene
    The Anthropocene is a proposed geological epoch characterized by the dominant global impact of human activities on Earth's climate, ecosystems, and geology.
  • 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: Eocene–Oligocene climate transition
Triple: [Paleogene, contains, Eocene–Oligocene climate transition]
Generated description
The Eocene–Oligocene climate transition was a major global cooling event around 34 million years ago that marked the shift from a greenhouse to an icehouse Earth, including the formation of large Antarctic ice sheets.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eocene–Oligocene climate transition
Target entity description: The Eocene–Oligocene climate transition was a major global cooling event around 34 million years ago that marked the shift from a greenhouse to an icehouse Earth, including the formation of large Antarctic ice sheets.
  • A. On the Imperfection of the Geological Record
    "On the Imperfection of the Geological Record" is a chapter in Charles Darwin's *On the Origin of Species* that addresses why the fossil record is incomplete and how this affects evidence for evolutionary change.
  • B. Pliocene epoch
    The Pliocene epoch was a geological time period roughly 5.3 to 2.6 million years ago marked by cooler global climates, the expansion of grasslands, and significant evolutionary developments among mammals and early hominins.
  • C. Great American Biotic Interchange between North and South America
    The Great American Biotic Interchange between North and South America was a major paleozoogeographic event in which land and freshwater animals migrated between the two continents after the formation of the Isthmus of Panama, profoundly reshaping their ecosystems and faunas.
  • D. Evolving Planet
    Evolving Planet is a permanent exhibition at Chicago’s Field Museum that traces the history of life on Earth, from its origins through the age of dinosaurs to the present.
  • E. Anthropocene
    The Anthropocene is a proposed geological epoch characterized by the dominant global impact of human activities on Earth's climate, ecosystems, and geology.
  • 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_69a2e7f55c60819097aff65ea2ca2832 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec5d73e881909101308a583c8f13 completed Feb. 28, 2026, 1:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a405f576148190b058300c3bd0d032 completed March 1, 2026, 9:25 a.m.
NEDg Description generation batch_69a406cd30a081908f44f1d0e4cd988e completed March 1, 2026, 9:28 a.m.
NED2 Entity disambiguation (via description) batch_69a40724c4488190875e70cb427fff76 completed March 1, 2026, 9:30 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.