Triple

T9174855

Position	Surface form	Disambiguated ID	Type / Status
Subject	Kremenchuk Reservoir	`E220171`	entity
Predicate	hasHydroelectricPlant	`P15311`	FINISHED
Object	Kremenchuk Hydroelectric Power Plant The Kremenchuk Hydroelectric Power Plant is a major hydroelectric facility on the Dnieper River in central Ukraine, contributing significantly to the country’s power generation and water management system.	`E781953`	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: Kremenchuk Hydroelectric Power Plant | Statement: [Kremenchuk Reservoir, hasHydroelectricPlant, Kremenchuk Hydroelectric Power Plant]

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

Target entity: Kremenchuk Hydroelectric Power Plant
Context triple: [Kremenchuk Reservoir, hasHydroelectricPlant, Kremenchuk Hydroelectric Power Plant]

A. Kyiv Hydroelectric Power Plant
The Kyiv Hydroelectric Power Plant is a major hydroelectric facility on the Dnieper River in Ukraine that generates electricity and helps regulate water levels for the Kyiv region.
B. Dniester Hydroelectric Station
The Dniester Hydroelectric Station is a major hydroelectric power plant complex on the Dniester River, providing electricity generation, water regulation, and flood control for the surrounding region.
C. Ivankovo Hydroelectric Station
Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
D. Tsimlyansk Hydroelectric Station
Tsimlyansk Hydroelectric Station is a hydroelectric power plant on the Don River in Russia that generates electricity and helps regulate water levels as part of the Tsimlyansk Reservoir system.
E. Ukrhydroenergo
Ukrhydroenergo is Ukraine’s state-owned hydropower company that operates the country’s major hydroelectric power plants and pumped storage stations.
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: Kremenchuk Hydroelectric Power Plant
Triple: [Kremenchuk Reservoir, hasHydroelectricPlant, Kremenchuk Hydroelectric Power Plant]

Generated description

The Kremenchuk Hydroelectric Power Plant is a major hydroelectric facility on the Dnieper River in central Ukraine, contributing significantly to the country’s power generation and water management system.

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

Target entity: Kremenchuk Hydroelectric Power Plant
Target entity description: The Kremenchuk Hydroelectric Power Plant is a major hydroelectric facility on the Dnieper River in central Ukraine, contributing significantly to the country’s power generation and water management system.

A. Kyiv Hydroelectric Power Plant
The Kyiv Hydroelectric Power Plant is a major hydroelectric facility on the Dnieper River in Ukraine that generates electricity and helps regulate water levels for the Kyiv region.
B. Dniester Hydroelectric Station
The Dniester Hydroelectric Station is a major hydroelectric power plant complex on the Dniester River, providing electricity generation, water regulation, and flood control for the surrounding region.
C. Ivankovo Hydroelectric Station
Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
D. Tsimlyansk Hydroelectric Station
Tsimlyansk Hydroelectric Station is a hydroelectric power plant on the Don River in Russia that generates electricity and helps regulate water levels as part of the Tsimlyansk Reservoir system.
E. Ukrhydroenergo
Ukrhydroenergo is Ukraine’s state-owned hydropower company that operates the country’s major hydroelectric power plants and pumped storage stations.
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_69ca83e467108190abcae6a33b3d4dad`	completed	March 30, 2026, 2:08 p.m.
NER	Named-entity recognition	`batch_69ccbfa2f9708190a955bf28a4f04004`	completed	April 1, 2026, 6:48 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69d054a36ef881908079558050c67e7c`	completed	April 4, 2026, midnight
NEDg	Description generation	`batch_69d05597d00c8190bdf51a53497c8042`	completed	April 4, 2026, 12:04 a.m.
NED2	Entity disambiguation (via description)	`batch_69d056619c988190a11b7eb4a31f93b2`	completed	April 4, 2026, 12:08 a.m.

Created at: March 30, 2026, 7:23 p.m.