Triple
T16775865
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Perryville, Alaska |
E407720
|
entity |
| Predicate | foundedAfter |
P1102
|
FINISHED |
| Object | 1912 Novarupta–Katmai volcanic eruption |
E118380
|
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: 1912 Novarupta–Katmai volcanic eruption | Statement: [Perryville, Alaska, foundedAfter, 1912 Novarupta–Katmai volcanic eruption]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1912 Novarupta–Katmai volcanic eruption Context triple: [Perryville, Alaska, foundedAfter, 1912 Novarupta–Katmai volcanic eruption]
-
A.
Huckleberry Ridge Tuff eruption
The Huckleberry Ridge Tuff eruption was an enormous supereruption of the Yellowstone hotspot about 2.1 million years ago, producing vast ash deposits and helping form one of the largest known calderas on Earth.
-
B.
Mount Novarupta
chosen
Mount Novarupta is a volcano in Alaska’s Katmai region, best known for its massive 1912 eruption, one of the largest of the 20th century.
-
C.
Lava Creek Tuff eruption
The Lava Creek Tuff eruption was a massive supereruption at Yellowstone about 640,000 years ago that created the current Yellowstone Caldera and deposited extensive volcanic ash across much of North America.
-
D.
Rotoiti eruption
The Rotoiti eruption was a massive late Pleistocene explosive event in New Zealand that produced extensive ignimbrite and caldera-forming activity within the Okataina Volcanic Centre.
-
E.
Oruanui eruption of Taupō volcano
The Oruanui eruption of Taupō volcano was a massive supereruption about 26,500 years ago that created Lake Taupō and is one of the largest known volcanic eruptions on Earth in the last 100,000 years.
- 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_69d8839270588190886720d9519bbf8f |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3b039a2a88190865e6a42c830c54d |
completed | April 18, 2026, 4:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00aafe1f8081909b9540aca6e7b9b7 |
completed | May 10, 2026, 3:57 p.m. |
Created at: April 10, 2026, 5:22 a.m.