Triple

T1757000

Position	Surface form	Disambiguated ID	Type / Status
Subject	Anacostia River	`E38570`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	tidal river	`C79`	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: tidal river
Context triple: [Anacostia River, instanceOf, tidal river]

A. river chosen
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. estuary
An estuary is a coastal water body where freshwater from rivers and streams mixes with saltwater from the ocean, creating a dynamic and nutrient-rich environment.
C. 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.
D. alluvial plain
An alluvial plain is a broad, flat landform created over time by the deposition of sediment from rivers and streams, typically found adjacent to or downstream from a river system.
E. 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.
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_69a8862bdb2081908aefe831c8aa8017`	completed	March 4, 2026, 7:21 p.m.

Created at: March 4, 2026, 7:31 p.m.