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.