Triple

T1897161

Position	Surface form	Disambiguated ID	Type / Status
Subject	Thames Head	`E37608`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	source of a river	`C6631`	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: source of a river
Context triple: [Thames Head, instanceOf, source of a river]

A. river
A river is a natural flowing body of water, usually freshwater, that moves continuously along a defined channel from higher elevations toward lower ones, often emptying into a sea, lake, or another river.
B. river basin
A river basin is the land area drained by a river and all its tributaries, bounded by topographic divides that separate it from adjacent basins.
C. watershed
A watershed is a land area that channels rainfall and snowmelt into streams and rivers, ultimately draining into a common outlet such as a larger river, lake, or ocean.
D. drainage basin
A drainage basin is a land area where all precipitation collects and drains off into a common outlet, such as a river, lake, or ocean.
E. water source chosen
A water source is any natural or artificial origin from which water is obtained for ecological, domestic, agricultural, or industrial use.
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_69a8861be7148190a680937ec451a304`	completed	March 4, 2026, 7:21 p.m.

Created at: March 4, 2026, 7:35 p.m.