Triple

T19207056
Position Surface form Disambiguated ID Type / Status
Subject Cayley volcanic complex E480260 entity
Predicate locatedOn P40 FINISHED
Object Cascadia subduction zone — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Cascadia subduction zone | Statement: [Cayley volcanic complex, locatedOn, Cascadia subduction zone]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cascadia subduction zone
Context triple: [Cayley volcanic complex, locatedOn, Cascadia subduction zone]
  • A. Cascadia Subduction Zone chosen
    The Cascadia Subduction Zone is a major convergent plate boundary off the Pacific Northwest coast of North America, capable of generating powerful megathrust earthquakes and tsunamis.
  • B. New Britain subduction zone
    The New Britain subduction zone is a highly active convergent plate boundary north of New Britain Island in Papua New Guinea, known for intense seismicity and volcanism along the Bismarck Sea region.
  • C. Cascadia back-arc region
    The Cascadia back-arc region is a tectonically active area east of the Cascadia subduction zone characterized by crustal extension, volcanism, and associated magmatic and geothermal activity.
  • D. 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.
  • E. Pacific–Juan de Fuca plate boundary
    The Pacific–Juan de Fuca plate boundary is a major tectonic boundary off the west coast of North America where the small Juan de Fuca Plate interacts with the larger Pacific Plate, contributing to significant seismic and volcanic activity in the region.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8e8cb8c348190b52075823911c869 elicitation completed
NER batch_69e5f99d8ad0819098ebd4ee007149f1 ner completed
Created at: April 10, 2026, 1:19 p.m.