Triple

T111067

Position	Surface form	Disambiguated ID	Type / Status
Subject	Cascade Volcanic Arc	`E2248`	entity
Predicate	subductionOf	`P944`	FINISHED
Object	Juan de Fuca Plate	`E2247`	NE FINISHED

How this triple was built (3 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: Juan de Fuca Plate | Statement: [Cascade Volcanic Arc, subductionOf, Juan de Fuca Plate]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Juan de Fuca Plate
Context triple: [Cascade Volcanic Arc, subductionOf, Juan de Fuca Plate]

A. Juan de Fuca Plate chosen
The Juan de Fuca Plate is a small oceanic tectonic plate off the Pacific Northwest coast whose subduction beneath North America drives significant volcanic and seismic activity in the region.
B. Gulf of Alaska
The Gulf of Alaska is a large, subarctic ocean basin off the southern coast of Alaska known for its harsh weather, rich marine ecosystems, and significant fisheries.
C. Yaquina Bay
Yaquina Bay is a coastal estuary on the central Oregon coast known for its rich marine ecosystems, fisheries, and role as a hub for marine research and recreation.
D. Juan de Fuca
Juan de Fuca was a 16th-century Greek maritime explorer, also known as Ioannis Phokas, who sailed for Spain and is credited with exploring the Pacific Northwest coast of North America.
E. 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.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: subductionOf
Context triple: [Cascade Volcanic Arc, subductionOf, Juan de Fuca Plate]

A. seafloorType
Indicates the classification of the ocean bottom surface based on its physical or geological characteristics.
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. locatedOnTectonicBoundary chosen
Indicates that one entity is situated directly on or along the tectonic plate boundary associated with another entity.
D. 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).
E. orogeny
Indicates the geological process by which mountain ranges are formed, typically through tectonic plate interactions such as collision, subduction, or compression.
F. None of above.

Provenance (4 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_69a2fa794c808190acf50a7eb90a012a`	completed	Feb. 28, 2026, 2:23 p.m.
PD	Predicate disambiguation	`batch_69a25641058c8190b5b64509b35d8176`	completed	Feb. 28, 2026, 2:43 a.m.

Created at: Feb. 28, 2026, 2:20 a.m.