Triple

T17614802

Position	Surface form	Disambiguated ID	Type / Status
Subject	Wanapum Dam	`E429055`	entity
Predicate	operator	`P179`	FINISHED
Object	Grant County Public Utility District Grant County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including major hydroelectric power from facilities on the Columbia River.	`E1278425`	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: Grant County Public Utility District | Statement: [Wanapum Dam, operator, Grant County Public Utility District]

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

Target entity: Grant County Public Utility District
Context triple: [Wanapum Dam, operator, Grant County Public Utility District]

A. Douglas County Public Utility District
Douglas County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including power from the Wells Dam hydroelectric project, to customers in Douglas County.
B. Chelan County Public Utility District
Chelan County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including hydropower from facilities such as Rock Island Dam, as well as providing other public utility services to local residents.
C. Colton Electric Utility
Colton Electric Utility is a municipally owned electric power provider serving residents and businesses in the City of Colton, California.
D. Alameda County Water District
Alameda County Water District is a public water agency in California responsible for providing drinking water and related services to communities in southern Alameda County, including Fremont, Newark, and Union City.
E. Palmdale Water District
Palmdale Water District is a public water agency in Palmdale, California responsible for supplying and managing potable water and related services for the local community.
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: Grant County Public Utility District
Triple: [Wanapum Dam, operator, Grant County Public Utility District]

Generated description

Grant County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including major hydroelectric power from facilities on the Columbia River.

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

Target entity: Grant County Public Utility District
Target entity description: Grant County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including major hydroelectric power from facilities on the Columbia River.

A. Douglas County Public Utility District
Douglas County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including power from the Wells Dam hydroelectric project, to customers in Douglas County.
B. Chelan County Public Utility District
Chelan County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including hydropower from facilities such as Rock Island Dam, as well as providing other public utility services to local residents.
C. Colton Electric Utility
Colton Electric Utility is a municipally owned electric power provider serving residents and businesses in the City of Colton, California.
D. Alameda County Water District
Alameda County Water District is a public water agency in California responsible for providing drinking water and related services to communities in southern Alameda County, including Fremont, Newark, and Union City.
E. Palmdale Water District
Palmdale Water District is a public water agency in Palmdale, California responsible for supplying and managing potable water and related services for the local community.
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_69d889e1c6148190ba76241e74688f8b`	completed	April 10, 2026, 5:25 a.m.
NER	Named-entity recognition	`batch_69e46d3174008190a2b5bb1b061ea4df`	completed	April 19, 2026, 5:50 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a01e8267d388190b97e038e142f338f`	completed	May 11, 2026, 2:31 p.m.
NEDg	Description generation	`batch_6a01f100fe5c81909bb43e89b60c27df`	completed	May 11, 2026, 3:08 p.m.
NED2	Entity disambiguation (via description)	`batch_6a01f17a3efc81909404abb3a7ed6523`	completed	May 11, 2026, 3:10 p.m.

Created at: April 10, 2026, 5:51 a.m.