Triple

T402654
Position Surface form Disambiguated ID Type / Status
Subject Pacific coast of North America E9317 entity
Predicate hasNotableFeature P642 FINISHED
Object Cascadia subduction zone 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 zone | Statement: [Pacific coast of North America, hasNotableFeature, Cascadia subduction zone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cascadia subduction zone
Context triple: [Pacific coast of North America, hasNotableFeature, 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. Juan de Fuca Ridge
    Juan de Fuca Ridge is an underwater volcanic spreading center in the northeastern Pacific Ocean where new oceanic crust forms as tectonic plates diverge.
  • C. Kuril–Kamchatka subduction system
    The Kuril–Kamchatka subduction system is a major convergent plate boundary in the northwest Pacific where the Pacific Plate subducts beneath the Okhotsk Plate, generating intense seismic activity and extensive volcanism along the Kuril Islands and Kamchatka Peninsula.
  • D. Sumatra subduction zone
    The Sumatra subduction zone is a major convergent plate boundary off the western coast of Sumatra where intense seismic and volcanic activity occurs, including some of the world’s largest recorded earthquakes and tsunamis.
  • E. Cascadia
    Cascadia is a bioregion and cultural concept in the Pacific Northwest that encompasses parts of the U.S. and Canadian west coast, known for its temperate rainforests, mountain ranges, and strong environmental identity.
  • 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_69a2e8004cb88190b92ed1add6abf41a completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2eca0e2048190a7bf360257965e56 completed Feb. 28, 2026, 1:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a413f43f1481908b095300fd6630c9 completed March 1, 2026, 10:24 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.