Triple

T17451781

Position	Surface form	Disambiguated ID	Type / Status
Subject	大沼（赤城山）	`E424929`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	火口原湖	`C15727`	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: 火口原湖
Context triple: [大沼（赤城山）, instanceOf, 火口原湖]

A. rift lake
A rift lake is a long, narrow, and often deep lake formed within a tectonic rift valley where Earth’s crust is being pulled apart.
B. former lake
A former lake is a geographic area that once contained a standing body of water but has since dried up, drained, or been otherwise transformed, leaving behind distinct geological and ecological remnants of its past.
C. lake in Japan chosen
A lake in Japan is a naturally or artificially formed inland body of standing water located within Japanese territory, characterized by its ecological, cultural, and often recreational significance.
D. alkaline lake
An alkaline lake is a body of water with high concentrations of dissolved carbonates and bicarbonates, resulting in a high pH and often unique, highly specialized ecosystems.
E. alpine lake
An alpine lake is a high-altitude body of freshwater, typically formed by glacial activity, characterized by cold, clear water and surrounded by mountainous terrain.
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_69d889db0ba481908402409af3b37917`	completed	April 10, 2026, 5:25 a.m.

Created at: April 10, 2026, 5:47 a.m.