Triple
T9866240
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Okataina Volcanic Centre |
E239838
|
entity |
| Predicate | notableEruption |
P7369
|
FINISHED |
| Object |
Matahina eruption
The Matahina eruption was a major prehistoric explosive event from New Zealand’s Okataina Volcanic Centre that produced extensive ignimbrite deposits and significantly reshaped the surrounding landscape.
|
E831269
|
NE FINISHED |
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: Matahina eruption | Statement: [Okataina Volcanic Centre, notableEruption, Matahina eruption]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Matahina eruption Context triple: [Okataina Volcanic Centre, notableEruption, Matahina eruption]
-
A.
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.
-
B.
Chahorra eruption
The Chahorra eruption was a historic volcanic event of Pico Viejo on Tenerife in the Canary Islands, notable for its lava flows and impact on the island’s landscape.
-
C.
Mt Matavanu eruption 1905–1911
The Mt Matavanu eruption of 1905–1911 was a major volcanic event on the Samoan island of Savaiʻi that produced extensive lava flows, reshaping large areas of the island’s landscape.
-
D.
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.
-
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. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Matahina eruption Triple: [Okataina Volcanic Centre, notableEruption, Matahina eruption]
Generated description
The Matahina eruption was a major prehistoric explosive event from New Zealand’s Okataina Volcanic Centre that produced extensive ignimbrite deposits and significantly reshaped the surrounding landscape.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Matahina eruption Target entity description: The Matahina eruption was a major prehistoric explosive event from New Zealand’s Okataina Volcanic Centre that produced extensive ignimbrite deposits and significantly reshaped the surrounding landscape.
-
A.
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.
-
B.
Chahorra eruption
The Chahorra eruption was a historic volcanic event of Pico Viejo on Tenerife in the Canary Islands, notable for its lava flows and impact on the island’s landscape.
-
C.
Mt Matavanu eruption 1905–1911
The Mt Matavanu eruption of 1905–1911 was a major volcanic event on the Samoan island of Savaiʻi that produced extensive lava flows, reshaping large areas of the island’s landscape.
-
D.
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.
-
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. chosen
Provenance (5 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_69ca84e7506c819095cbde4ff16512bb |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb3d091e48190b10463562d0dc461 |
completed | April 2, 2026, 12:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d22886b2388190a4320eeb81f3e433 |
completed | April 5, 2026, 9:16 a.m. |
| NEDg | Description generation | batch_69d22a2831348190909b9507edfe49f3 |
completed | April 5, 2026, 9:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d22af8914c8190a8116a37a42b633c |
completed | April 5, 2026, 9:27 a.m. |
Created at: March 30, 2026, 8:36 p.m.