Triple
T19527741
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wrangell volcanic field |
E488574
|
entity |
| Predicate | lastEruptionApprox |
P2404
|
FINISHED |
| Object | Holocene epoch |
—
|
NE NERFINISHED |
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: Holocene epoch | Statement: [Wrangell volcanic field, lastEruptionApprox, Holocene epoch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Holocene epoch Context triple: [Wrangell volcanic field, lastEruptionApprox, Holocene epoch]
-
A.
Holocene
chosen
The Holocene is the current geological epoch, beginning around 11,700 years ago, characterized by relatively stable climate conditions and the development of human civilizations.
-
B.
Quaternary period
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.
-
C.
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.
-
D.
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.
-
E.
Artinskian Age
The Artinskian Age is a stage of the early Permian Period characterized by significant marine and terrestrial faunal evolution and important global climatic shifts.
- 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: lastEruptionApprox Context triple: [Wrangell volcanic field, lastEruptionApprox, Holocene epoch]
-
A.
lastEruptionApproximateDate
Indicates that the recorded date of the most recent eruption is an estimate rather than an exact, precisely known date.
-
B.
lastEruption
chosen
Indicates the time or event corresponding to the most recent eruption associated with a given entity.
-
C.
lastEruptionStartDate
Indicates the date on which the most recent eruption of the entity began.
-
D.
lastEruptionsFrom
Indicates that one entity represents the most recent eruption events originating from another entity.
-
E.
lastNotableEruptions
Indicates the most recent significant eruption events associated with a volcano or volcanic feature.
- F. None of above.
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_69d8e8da8bec819081f400199491ccc3 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6363c2660819093a6b9a444ca0ad4 |
completed | April 20, 2026, 2:20 p.m. |
| PD | Predicate disambiguation | batch_69e514c9c00481909b76bda67957e58b |
completed | April 19, 2026, 5:45 p.m. |
Created at: April 10, 2026, 1:41 p.m.