Triple

T34258675

Position	Surface form	Disambiguated ID	Type / Status
Subject	九十九里浜	`E878965`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	砂浜海岸	`C17162`	CONCEPT FINISHED

How this triple was built (1 step)

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.

CD Concept disambiguation gpt-5-mini-2025-08-07

Target class: 砂浜海岸
Context triple: [九十九里浜, instanceOf, 砂浜海岸]

A. sandy beach chosen
A sandy beach is a coastal landform characterized by loose, granular sediments—primarily sand—accumulated along the shoreline by the action of waves, tides, and currents.
B. sand spit
A sand spit is a narrow, elongated ridge of sand or gravel that extends from the shore into a body of water, formed by the deposition of sediment carried by longshore currents.
C. tidal sandbank
A tidal sandbank is a submerged or partially exposed ridge of sand formed by currents and tides in coastal or estuarine waters, which appears and disappears with the changing tide.
D. tidal sandbank islets
Tidal sandbank islets are small, often temporary landforms composed of sand that emerge above the water’s surface at low tide and may be partially or fully submerged at high tide.
E. sand dune
A sand dune is a mound or ridge of loose sand formed and shaped by the wind, typically found in deserts and coastal regions.
F. None of above.

Provenance (1 batch)

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_69f349b421cc8190b4b4655e1d612548`	completed	April 30, 2026, 12:23 p.m.

Created at: May 1, 2026, 1:56 a.m.