Triple
T2254469
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Eocene–Oligocene climate transition |
E49688
|
entity |
| Predicate | associatedWith |
P37
|
FINISHED |
| Object |
Eocene–Oligocene extinction events
The Eocene–Oligocene extinction events were a series of global biotic crises around 34 million years ago that saw major turnovers and losses in marine and terrestrial species as Earth shifted from a warm greenhouse world to a cooler icehouse climate.
|
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 extinction events | Statement: [Eocene–Oligocene climate transition, associatedWith, Eocene–Oligocene extinction events]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eocene–Oligocene extinction events Context triple: [Eocene–Oligocene climate transition, associatedWith, Eocene–Oligocene extinction events]
-
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.
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.
-
C.
Great Ordovician Biodiversification Event
The Great Ordovician Biodiversification Event was a profound evolutionary radiation during the Ordovician Period that saw a dramatic increase in marine biodiversity and the establishment of many major animal groups in Paleozoic oceans.
-
D.
Late Devonian extinction
The Late Devonian extinction was a prolonged series of biodiversity crises around 375–359 million years ago that devastated marine life, especially reef ecosystems and armored fishes, and ranks among the largest mass extinctions in Earth’s history.
-
E.
Carboniferous rainforest collapse
The Carboniferous rainforest collapse was a mass extinction and fragmentation event of vast tropical coal-forest ecosystems around 305 million years ago, profoundly reshaping terrestrial biodiversity and climate in the late Paleozoic.
- 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 extinction events Triple: [Eocene–Oligocene climate transition, associatedWith, Eocene–Oligocene extinction events]
Generated description
The Eocene–Oligocene extinction events were a series of global biotic crises around 34 million years ago that saw major turnovers and losses in marine and terrestrial species as Earth shifted from a warm greenhouse world to a cooler icehouse climate.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Eocene–Oligocene extinction events Target entity description: The Eocene–Oligocene extinction events were a series of global biotic crises around 34 million years ago that saw major turnovers and losses in marine and terrestrial species as Earth shifted from a warm greenhouse world to a cooler icehouse climate.
-
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.
Eocene–Oligocene climate transition
chosen
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.
-
C.
Great Ordovician Biodiversification Event
The Great Ordovician Biodiversification Event was a profound evolutionary radiation during the Ordovician Period that saw a dramatic increase in marine biodiversity and the establishment of many major animal groups in Paleozoic oceans.
-
D.
Late Devonian extinction
The Late Devonian extinction was a prolonged series of biodiversity crises around 375–359 million years ago that devastated marine life, especially reef ecosystems and armored fishes, and ranks among the largest mass extinctions in Earth’s history.
-
E.
Carboniferous rainforest collapse
The Carboniferous rainforest collapse was a mass extinction and fragmentation event of vast tropical coal-forest ecosystems around 305 million years ago, profoundly reshaping terrestrial biodiversity and climate in the late Paleozoic.
- 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_69a88aaa9250819095e127d0d77e8a32 |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc121af78819085b2e601d2f9bcdf |
completed | March 7, 2026, 6:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae71c487908190903e06bcb2393484 |
completed | March 9, 2026, 7:07 a.m. |
| NEDg | Description generation | batch_69ae74e965048190b23702edc66d93f7 |
completed | March 9, 2026, 7:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae753b3f0481908cdfabc438d8aa04 |
completed | March 9, 2026, 7:22 a.m. |
Created at: March 4, 2026, 7:47 p.m.