Triple
T2447316
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Permian–Triassic mass extinction |
E53623
|
entity |
| Predicate | geochronologyMethod |
P39908
|
FINISHED |
| Object | U–Pb zircon dating of volcanic ash beds |
—
|
LITERAL 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: U–Pb zircon dating of volcanic ash beds | Statement: [Permian–Triassic mass extinction, geochronologyMethod, U–Pb zircon dating of volcanic ash beds]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: geochronologyMethod Context triple: [Permian–Triassic mass extinction, geochronologyMethod, U–Pb zircon dating of volcanic ash beds]
-
A.
geologicalAge
Indicates the time period in Earth's geological history during which an entity (such as a rock, fossil, or formation) originated or was formed.
-
B.
hasChronostratigraphicUnit
Indicates a relationship where something is associated with, or classified by, a specific chronostratigraphic unit (a defined interval of geological time represented by rock layers).
-
C.
estimatedAgeInMillionsOfYears
Indicates the approximate age of something expressed in units of millions of years.
-
D.
hasStratigraphicPosition
Indicates the relative position of one geological layer or unit within a stratigraphic sequence in relation to another.
-
E.
chronostratigraphicRank
Indicates the hierarchical level or rank of a unit within the chronostratigraphic (time-stratigraphic) classification system.
- F. None of above. chosen
Provenance (4 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_69ab495d227c8190b26ae6548eeb1019 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abd2bc7b5481908b3664495e99f1a4 |
completed | March 7, 2026, 7:24 a.m. |
| PD | Predicate disambiguation | batch_69abd0aed2688190a18fe66b98d80e0b |
completed | March 7, 2026, 7:15 a.m. |
| PDg | Predicate description generation | batch_69abd2baee308190bdaa41ef1f6bc9cc |
completed | March 7, 2026, 7:24 a.m. |
Created at: March 6, 2026, 9:43 p.m.