Triple
T8468606
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Meishan section |
E200225
|
entity |
| Predicate | hasChemostratigraphy |
P83453
|
FINISHED |
| Object | carbon isotope excursions across the Permian–Triassic boundary |
—
|
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: carbon isotope excursions across the Permian–Triassic boundary | Statement: [Meishan section, hasChemostratigraphy, carbon isotope excursions across the Permian–Triassic boundary]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasChemostratigraphy Context triple: [Meishan section, hasChemostratigraphy, carbon isotope excursions across the Permian–Triassic boundary]
-
A.
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).
-
B.
hasStratigraphicPosition
Indicates the relative position of one geological layer or unit within a stratigraphic sequence in relation to another.
-
C.
hasStratigraphicFeature
Indicates a relationship in which a geological unit, site, or context contains, exhibits, or is associated with a particular stratigraphic feature (such as a layer, horizon, or boundary) within its stratigraphic sequence.
-
D.
usedAsChronostratigraphicMarkerFor
Indicates that something serves as a reference point or marker for defining or correlating geological time intervals in a chronostratigraphic framework.
-
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_69ca831a4f348190bfdd09250e86ae35 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe4d445f48190884df64bb1aebd41 |
completed | March 31, 2026, 3:14 p.m. |
| PD | Predicate disambiguation | batch_69cbd10072cc819084be1ed9ac7ebe9d |
completed | March 31, 2026, 1:49 p.m. |
| PDg | Predicate description generation | batch_69cbe30c2d088190b4cb89adb4e88273 |
completed | March 31, 2026, 3:06 p.m. |
Created at: March 30, 2026, 6:11 p.m.