Triple

T8947946

Position	Surface form	Disambiguated ID	Type / Status
Subject	Kyiv Reservoir	`E213268`	entity
Predicate	hasPart	`P35`	FINISHED
Object	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.	`E768445`	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: Kyiv Hydroelectric Power Plant | Statement: [Kyiv Reservoir, hasPart, Kyiv Hydroelectric Power Plant]

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

Target entity: Kyiv Hydroelectric Power Plant
Context triple: [Kyiv Reservoir, hasPart, Kyiv Hydroelectric Power Plant]

A. 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.
B. 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.
C. 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.
D. Zaporizhzhia Nuclear Power Plant
The Zaporizhzhia Nuclear Power Plant is the largest nuclear power station in Europe, located in southeastern Ukraine and a focal point of safety concerns during the Russian invasion of Ukraine.
E. Gorky Hydroelectric Station
Gorky Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for its large dam and role in regional power generation and navigation.
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: Kyiv Hydroelectric Power Plant
Triple: [Kyiv Reservoir, hasPart, Kyiv Hydroelectric Power Plant]

Generated description

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.

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

Target entity: Kyiv Hydroelectric Power Plant
Target entity description: 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.

A. 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.
B. 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.
C. 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.
D. Zaporizhzhia Nuclear Power Plant
The Zaporizhzhia Nuclear Power Plant is the largest nuclear power station in Europe, located in southeastern Ukraine and a focal point of safety concerns during the Russian invasion of Ukraine.
E. Gorky Hydroelectric Station
Gorky Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for its large dam and role in regional power generation and navigation.
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_69cc66deb8ec819087a9c5eddd24c08a`	completed	April 1, 2026, 12:29 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69cfc2022e30819089ba08f494a3a66f`	completed	April 3, 2026, 1:34 p.m.
NEDg	Description generation	`batch_69cfc27bae88819094bcfdf10e89018b`	completed	April 3, 2026, 1:36 p.m.
NED2	Entity disambiguation (via description)	`batch_69cfc61d26fc8190817b430cb6fa9646`	completed	April 3, 2026, 1:52 p.m.

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