Triple
T17360174
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toba Caldera Geopark |
E422046
|
entity |
| Predicate | hasPrimaryEruptionSource |
P80030
|
FINISHED |
| Object | Toba supereruption |
—
|
NE ONNED1 |
How this triple was built (4 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: Toba supereruption | Statement: [Toba Caldera Geopark, hasPrimaryEruptionSource, Toba supereruption]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toba supereruption Context triple: [Toba Caldera Geopark, hasPrimaryEruptionSource, Toba supereruption]
-
A.
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.
-
B.
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.
-
C.
Thera eruption
The Thera eruption was a massive Bronze Age volcanic explosion on the Aegean island of Thera (Santorini) that devastated nearby regions and is often linked to the collapse of Minoan civilization.
-
D.
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.
-
E.
Great Eruption
The Great Eruption was a 19th-century stellar outburst of Eta Carinae that briefly made it one of the brightest stars in the sky and created the Homunculus Nebula.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Toba supereruption Target entity description: The Toba supereruption was a massive volcanic event about 74,000 years ago in present-day Indonesia, considered one of the largest known eruptions on Earth and linked to significant global climatic and ecological impacts.
-
A.
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.
-
B.
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.
-
C.
Thera eruption
The Thera eruption was a massive Bronze Age volcanic explosion on the Aegean island of Thera (Santorini) that devastated nearby regions and is often linked to the collapse of Minoan civilization.
-
D.
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.
-
E.
Great Eruption
The Great Eruption was a 19th-century stellar outburst of Eta Carinae that briefly made it one of the brightest stars in the sky and created the Homunculus Nebula.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasPrimaryEruptionSource Context triple: [Toba Caldera Geopark, hasPrimaryEruptionSource, Toba supereruption]
-
A.
hasFrequentEruptionsSince
Indicates that an entity has experienced eruptions repeatedly and at relatively short intervals starting from a specified point in time.
-
B.
hasEruptionVolume
Indicates the relationship between a volcanic eruption event and the measured volume of material it releases.
-
C.
eruptionObserved
Indicates that an eruption event has been witnessed, detected, or recorded by an observer or observing system.
-
D.
hasKnownSupereruptions
chosen
Indicates that the subject has experienced one or more documented supervolcanic eruptions in its history.
-
E.
hasLastEruptionCentury
Indicates the century during which the most recent eruption of a volcano (or eruptive feature) occurred.
- 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_69d889d520008190a26917a95bf1c2ea |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43a4cacd881909fd722068b019f25 |
completed | April 19, 2026, 2:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01955e4cb481909e3193439bb85cd8 |
in_progress | May 11, 2026, 8:37 a.m. |
| PD | Predicate disambiguation | batch_69e3b02662d08190a07d0fb5c04b6f33 |
completed | April 18, 2026, 4:24 p.m. |
Created at: April 10, 2026, 5:44 a.m.