Triple
T1538056
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pleistocene epoch |
E32799
|
entity |
| Predicate | geochronologicUnitOf |
P18868
|
FINISHED |
| Object | Quaternary glaciation |
E33564
|
NE FINISHED |
How this triple was built (3 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: Quaternary glaciation | Statement: [Pleistocene epoch, geochronologicUnitOf, Quaternary glaciation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Quaternary glaciation Context triple: [Pleistocene epoch, geochronologicUnitOf, Quaternary glaciation]
-
A.
Cenozoic glaciations
Cenozoic glaciations are a series of major ice age cycles during the Cenozoic Era that saw extensive growth and retreat of continental ice sheets, profoundly shaping Earth’s climate and landscapes.
-
B.
Pleistocene epoch
The Pleistocene epoch was a geological time period characterized by repeated ice ages, widespread glaciation, and the evolution and global spread of modern humans.
-
C.
Quaternary period
chosen
The Quaternary period is the most recent division of geologic time, characterized by repeated ice ages, the evolution and global spread of modern humans, and significant climatic fluctuations over the last 2.6 million years.
-
D.
Wisconsin glaciation
The Wisconsin glaciation was the last major advance of continental ice sheets in North America during the Pleistocene, profoundly reshaping the continent’s landscapes and drainage systems.
-
E.
Pridoli Epoch
The Pridoli Epoch is the final epoch of the Silurian Period, marking a transitional interval in Earth’s history just before the onset of the Devonian.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: geochronologicUnitOf Context triple: [Pleistocene epoch, geochronologicUnitOf, Quaternary glaciation]
-
A.
hasChronostratigraphicUnit
chosen
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.
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.
-
C.
geologicalSystem
Indicates that one entity is a geological system (e.g., rock units, structures, or processes forming a coherent geologic framework) associated with or characterizing the other entity.
-
D.
chronostratigraphicRank
Indicates the hierarchical level or rank of a unit within the chronostratigraphic (time-stratigraphic) classification system.
-
E.
geologicalStatus
Indicates the current geological condition or classification of an entity, such as its formation state, activity level, or structural status within the Earth’s crust.
- F. None of above.
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_69a885ed29088190a3c2d5a3d100c16e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a915f323bc8190aa757142c225e0ae |
completed | March 5, 2026, 5:34 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad309714c4819090b995198d497ea2 |
completed | March 8, 2026, 8:17 a.m. |
| PD | Predicate disambiguation | batch_69a907b046448190be8ea4d7b20255f7 |
completed | March 5, 2026, 4:33 a.m. |
Created at: March 4, 2026, 7:26 p.m.