Triple
T11425341
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chaitén |
E270732
|
entity |
| Predicate | tectonicSetting |
P944
|
FINISHED |
| Object | Nazca Plate–South American Plate subduction zone |
E911310
|
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: Nazca Plate–South American Plate subduction zone | Statement: [Chaitén, tectonicSetting, Nazca Plate–South American Plate subduction zone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nazca Plate–South American Plate subduction zone Context triple: [Chaitén, tectonicSetting, Nazca Plate–South American Plate subduction zone]
-
A.
Nazca–South America plate boundary
chosen
The Nazca–South America plate boundary is a major convergent margin along the western edge of South America where the oceanic Nazca Plate subducts beneath the continental South American Plate, driving intense Andean volcanism, seismicity, and mountain building.
-
B.
subducting Rivera Plate
The subducting Rivera Plate is a small oceanic tectonic plate off western Mexico that is being forced beneath the North American Plate, contributing to regional volcanism and seismic activity near the Jalisco Block.
-
C.
Mariana subduction zone
The Mariana subduction zone is a deep oceanic trench system in the western Pacific where the Pacific Plate is forced beneath the smaller Mariana Plate, creating one of the world's deepest and most active tectonic boundaries.
-
D.
Nazca Plate
The Nazca Plate is an oceanic tectonic plate in the southeastern Pacific that subducts beneath the South American Plate, driving Andean mountain building and frequent earthquakes and volcanism along the western coast of South America.
-
E.
Cocos–Nazca spreading center
The Cocos–Nazca spreading center is a mid-ocean ridge in the eastern Pacific where tectonic divergence forms and separates the Cocos and Nazca plates.
- 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_69d6aadeef688190874bcecd88b3dd9b |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d806be9c2c819084da13101cbb6c81 |
completed | April 9, 2026, 8:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5b8b553808190bf8b40d9b03e12b7 |
completed | April 20, 2026, 5:25 a.m. |
Created at: April 8, 2026, 9:35 p.m.