Triple

T8951903

Position	Surface form	Disambiguated ID	Type / Status
Subject	Brownlee Dam	`E213371`	entity
Predicate	partOf	`P40`	FINISHED
Object	Hells Canyon Project The Hells Canyon Project is a hydroelectric power complex on the Snake River consisting of multiple dams and reservoirs that generate electricity and provide water management in the Hells Canyon area.	`E768655`	NE FINISHED

How this triple was built (4 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: Hells Canyon Project | Statement: [Brownlee Dam, partOf, Hells Canyon Project]

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

Target entity: Hells Canyon Project
Context triple: [Brownlee Dam, partOf, Hells Canyon Project]

A. Deschutes Project
The Deschutes Project is a U.S. Bureau of Reclamation irrigation and water management development in central Oregon that supplies water for agriculture, municipalities, and wildlife habitat along the Deschutes River basin.
B. Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
C. Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
D. Upper Snake River Project
The Upper Snake River Project is a U.S. Bureau of Reclamation water management and irrigation system in the upper Snake River Basin that includes multiple dams, reservoirs, and related infrastructure for flood control, power generation, and agricultural use.
E. Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Hells Canyon Project
Triple: [Brownlee Dam, partOf, Hells Canyon Project]

Generated description

The Hells Canyon Project is a hydroelectric power complex on the Snake River consisting of multiple dams and reservoirs that generate electricity and provide water management in the Hells Canyon area.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Hells Canyon Project
Target entity description: The Hells Canyon Project is a hydroelectric power complex on the Snake River consisting of multiple dams and reservoirs that generate electricity and provide water management in the Hells Canyon area.

A. Deschutes Project
The Deschutes Project is a U.S. Bureau of Reclamation irrigation and water management development in central Oregon that supplies water for agriculture, municipalities, and wildlife habitat along the Deschutes River basin.
B. Klamath Project
The Klamath Project is a major federal water management and irrigation system in southern Oregon and northern California that supplies water to agriculture, wildlife refuges, and communities in the Klamath Basin.
C. Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
D. Upper Snake River Project
The Upper Snake River Project is a U.S. Bureau of Reclamation water management and irrigation system in the upper Snake River Basin that includes multiple dams, reservoirs, and related infrastructure for flood control, power generation, and agricultural use.
E. Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
F. None of above. chosen

Provenance (5 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_69ca839843408190a39069a029a89f15`	completed	March 30, 2026, 2:07 p.m.
NER	Named-entity recognition	`batch_69cc670dc0c88190b1f59e96ad88e4ee`	completed	April 1, 2026, 12:30 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69cfc20a5ab481909e10f3abf679ec4c`	completed	April 3, 2026, 1:35 p.m.
NEDg	Description generation	`batch_69cfc2d295c48190952486e6f44cd74f`	completed	April 3, 2026, 1:38 p.m.
NED2	Entity disambiguation (via description)	`batch_69cfc722921881908978147e4cc6875c`	completed	April 3, 2026, 1:56 p.m.

Created at: March 30, 2026, 6:59 p.m.