Triple
T10138362
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lomagundi–Jatuli carbon isotope excursion |
E226917
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object | Great Oxidation Event |
E219022
|
NE FINISHED |
How this triple was built (2 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: Great Oxidation Event | Statement: [Lomagundi–Jatuli carbon isotope excursion, precededBy, Great Oxidation Event]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Oxidation Event Context triple: [Lomagundi–Jatuli carbon isotope excursion, precededBy, Great Oxidation Event]
-
A.
Great Oxidation Event
chosen
The Great Oxidation Event was a pivotal period in Earth’s early history when atmospheric oxygen levels rose dramatically due to photosynthetic microorganisms, fundamentally transforming the planet’s environment and biosphere.
-
B.
Neoproterozoic Oxygenation Event
The Neoproterozoic Oxygenation Event was a major rise in Earth’s atmospheric and oceanic oxygen levels during the Neoproterozoic Era, linked to profound climatic shifts and the emergence of complex multicellular life.
-
C.
Lomagundi event
The Lomagundi event was a prolonged Paleoproterozoic episode of unusually high carbon isotope ratios in marine carbonates, interpreted as evidence for a major global increase in oxygen production and organic carbon burial.
-
D.
Huronian glaciation
The Huronian glaciation was one of Earth's earliest and longest ice ages, occurring over 2.4 billion years ago and likely linked to the Great Oxidation Event and major climatic shifts.
-
E.
Sturtian glaciation
The Sturtian glaciation was a major global ice age during the Neoproterozoic, when extensive ice sheets may have covered much of Earth’s surface in one of the most severe glacial events in the planet’s history.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca8433ec308190b8b25a6fe359c34c |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cde88344a481909ee833451fab6e58 |
completed | April 2, 2026, 3:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d3175fa0c0819088d372f534f9447e |
completed | April 6, 2026, 2:15 a.m. |
Created at: March 30, 2026, 9:06 p.m.