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.