Triple

T111021
Position Surface form Disambiguated ID Type / Status
Subject Juan de Fuca Plate E2247 entity
Predicate subductionZoneName P7363 FINISHED
Object Cascadia Subduction Zone
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.
E15671 NE FINISHED

How this triple was built (5 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: [Juan de Fuca Plate, subductionZoneName, Cascadia Subduction Zone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cascadia Subduction Zone
Context triple: [Juan de Fuca Plate, subductionZoneName, Cascadia Subduction Zone]
  • A. 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.
  • B. San Andreas Fault
    The San Andreas Fault is a major tectonic boundary in California where the Pacific and North American plates meet, notorious for generating powerful earthquakes.
  • C. Peru–Chile Trench region
    The Peru–Chile Trench region is a highly active subduction-zone area off the west coast of South America, known for its deep ocean trench, frequent earthquakes, and major role in Andean mountain building.
  • D. 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.
  • E. Cascade Volcanic Arc
    The Cascade Volcanic Arc is a major chain of active and dormant volcanoes in western North America, stretching from northern California through Oregon and Washington into British Columbia.
  • 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: Cascadia Subduction Zone
Triple: [Juan de Fuca Plate, subductionZoneName, Cascadia Subduction Zone]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cascadia Subduction Zone
Target entity description: 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.
  • A. 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.
  • B. San Andreas Fault
    The San Andreas Fault is a major tectonic boundary in California where the Pacific and North American plates meet, notorious for generating powerful earthquakes.
  • C. Peru–Chile Trench region
    The Peru–Chile Trench region is a highly active subduction-zone area off the west coast of South America, known for its deep ocean trench, frequent earthquakes, and major role in Andean mountain building.
  • D. 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.
  • E. Cascade Volcanic Arc
    The Cascade Volcanic Arc is a major chain of active and dormant volcanoes in western North America, stretching from northern California through Oregon and Washington into British Columbia.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: subductionZoneName
Context triple: [Juan de Fuca Plate, subductionZoneName, Cascadia Subduction Zone]
  • A. locatedOnTectonicBoundary
    Indicates that one entity is situated directly on or along the tectonic plate boundary associated with another entity.
  • B. locatedOnTectonicPlate
    Indicates that one entity (typically a geographic region or feature) lies upon or is situated on the tectonic plate represented by the other entity.
  • C. volcanicArcOrBelt
    Indicates that one entity is a volcanic arc or belt associated with, or related to, another entity (such as a tectonic setting, region, or geological feature).
  • D. seafloorType
    Indicates the classification of the ocean bottom surface based on its physical or geological characteristics.
  • E. plateMotion
    Indicates the movement or displacement of a tectonic plate relative to other plates or a reference frame.
  • F. None of above. chosen

Provenance (7 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_69a24fcdaeb48190a2d796677e4b3281 completed Feb. 28, 2026, 2:15 a.m.
NER Named-entity recognition batch_69a258b58efc8190959c86f73d67b744 completed Feb. 28, 2026, 2:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2b01662f88190a4997a3e86c17946 completed Feb. 28, 2026, 9:06 a.m.
NEDg Description generation batch_69a2b0f1d9408190ba4a5cf775951334 completed Feb. 28, 2026, 9:10 a.m.
NED2 Entity disambiguation (via description) batch_69a2b152ef0c819082457e54f99a65b8 completed Feb. 28, 2026, 9:11 a.m.
PD Predicate disambiguation batch_69a25641058c8190b5b64509b35d8176 completed Feb. 28, 2026, 2:43 a.m.
PDg Predicate description generation batch_69a258b30f6c8190be2181f30c40e04d completed Feb. 28, 2026, 2:53 a.m.
Created at: Feb. 28, 2026, 2:20 a.m.