Triple

T16006850
Position Surface form Disambiguated ID Type / Status
Subject Cascadia back-arc region E388241 entity
Predicate partOf P40 FINISHED
Object Cascadia subduction system E15671 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: Cascadia subduction system | Statement: [Cascadia back-arc region, partOf, Cascadia subduction system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cascadia subduction system
Context triple: [Cascadia back-arc region, partOf, Cascadia subduction system]
  • 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. 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.
  • C. Aleutian subduction system
    The Aleutian subduction system is a major tectonic plate boundary where the Pacific Plate is forced beneath the North American Plate, forming the Aleutian Trench and associated volcanic island arc in the North Pacific.
  • D. 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.
  • E. New Britain Trench subduction system
    The New Britain Trench subduction system is a major convergent plate boundary in the southwestern Pacific where an oceanic plate descends beneath another, driving intense seismic and volcanic activity in the New Britain region of Papua New Guinea.
  • 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_69d86dabcb7c8190b6a39d6831d2fa1b completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e15800246c8190a298c5f96478c396 completed April 16, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffeb867ae88190945af88247d4c80b completed May 10, 2026, 2:20 a.m.
Created at: April 10, 2026, 4:55 a.m.