Triple

T21378645

Position	Surface form	Disambiguated ID	Type / Status
Subject	North Fork Feather River	`E527281`	entity
Predicate	hasHydroelectricProject	`P15311`	FINISHED
Object	Rock Creek–Cresta Hydroelectric Project The Rock Creek–Cresta Hydroelectric Project is a hydroelectric power generation facility complex on California’s North Fork Feather River that produces electricity by harnessing the river’s flow through dams and powerhouses.	`E1481007`	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: Rock Creek–Cresta Hydroelectric Project | Statement: [North Fork Feather River, hasHydroelectricProject, Rock Creek–Cresta Hydroelectric Project]

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

Target entity: Rock Creek–Cresta Hydroelectric Project
Context triple: [North Fork Feather River, hasHydroelectricProject, Rock Creek–Cresta Hydroelectric Project]

A. 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.
B. Oak Grove Hydroelectric Project
Oak Grove Hydroelectric Project is a hydroelectric power facility in Oregon that generates electricity by harnessing the flow of the Oak Grove Fork of the Clackamas River.
C. Coteau Creek Hydroelectric Station
Coteau Creek Hydroelectric Station is a hydroelectric power plant in Saskatchewan, Canada, that generates electricity using water from Lake Diefenbaker.
D. Donnells-Beardsley hydroelectric system
The Donnells-Beardsley hydroelectric system is a hydroelectric power complex on California’s Stanislaus River that uses a series of dams, reservoirs, and powerhouses to generate electricity and support regional water management.
E. Escanaba Hydroelectric Project
The Escanaba Hydroelectric Project is a hydroelectric power facility on Michigan’s Escanaba River that generates electricity by harnessing the river’s flow.
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: Rock Creek–Cresta Hydroelectric Project
Triple: [North Fork Feather River, hasHydroelectricProject, Rock Creek–Cresta Hydroelectric Project]

Generated description

The Rock Creek–Cresta Hydroelectric Project is a hydroelectric power generation facility complex on California’s North Fork Feather River that produces electricity by harnessing the river’s flow through dams and powerhouses.

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

Target entity: Rock Creek–Cresta Hydroelectric Project
Target entity description: The Rock Creek–Cresta Hydroelectric Project is a hydroelectric power generation facility complex on California’s North Fork Feather River that produces electricity by harnessing the river’s flow through dams and powerhouses.

A. 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.
B. Oak Grove Hydroelectric Project
Oak Grove Hydroelectric Project is a hydroelectric power facility in Oregon that generates electricity by harnessing the flow of the Oak Grove Fork of the Clackamas River.
C. Coteau Creek Hydroelectric Station
Coteau Creek Hydroelectric Station is a hydroelectric power plant in Saskatchewan, Canada, that generates electricity using water from Lake Diefenbaker.
D. Donnells-Beardsley hydroelectric system
The Donnells-Beardsley hydroelectric system is a hydroelectric power complex on California’s Stanislaus River that uses a series of dams, reservoirs, and powerhouses to generate electricity and support regional water management.
E. Escanaba Hydroelectric Project
The Escanaba Hydroelectric Project is a hydroelectric power facility on Michigan’s Escanaba River that generates electricity by harnessing the river’s flow.
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_69e0b51f363c8190944000ab5523b02b`	completed	April 16, 2026, 10:08 a.m.
NER	Named-entity recognition	`batch_69e8b0cb138081909bcbf295483656cb`	completed	April 22, 2026, 11:28 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a09b42274f0819092541d278a3a900c`	completed	May 17, 2026, 12:27 p.m.
NEDg	Description generation	`batch_6a09b494bc348190b72a5e862b74711a`	completed	May 17, 2026, 12:29 p.m.
NED2	Entity disambiguation (via description)	`batch_6a09b60be86c8190ba4e0890da8dadb1`	completed	May 17, 2026, 12:35 p.m.

Created at: April 16, 2026, 5:11 p.m.