Triple

T4527125

Position	Surface form	Disambiguated ID	Type / Status
Subject	Svir River	`E106206`	entity
Predicate	hasHydroelectricPlant	`P15311`	FINISHED
Object	Lower Svir Hydroelectric Station The Lower Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.	`E450227`	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: Lower Svir Hydroelectric Station | Statement: [Svir River, hasHydroelectricPlant, Lower Svir Hydroelectric Station]

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

Target entity: Lower Svir Hydroelectric Station
Context triple: [Svir River, hasHydroelectricPlant, Lower Svir Hydroelectric Station]

A. Upper Svir Hydroelectric Station
The Upper Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.
B. Saratov Hydroelectric Station
Saratov Hydroelectric Station is a major hydroelectric power plant on the Volga River in Russia, providing electricity generation and water regulation for the surrounding region.
C. Volkhov Hydroelectric Station
Volkhov Hydroelectric Station is one of Russia’s oldest large-scale hydroelectric power plants, located in the Leningrad Oblast and historically significant for its role in early Soviet electrification.
D. Rybinsk Hydroelectric Station
Rybinsk Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for creating one of the world’s largest artificial reservoirs at the time of its construction.
E. 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.
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: Lower Svir Hydroelectric Station
Triple: [Svir River, hasHydroelectricPlant, Lower Svir Hydroelectric Station]

Generated description

The Lower Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.

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

Target entity: Lower Svir Hydroelectric Station
Target entity description: The Lower Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.

A. Upper Svir Hydroelectric Station
The Upper Svir Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Svir River in Russia, forming part of the cascade of stations supplying electricity to the northwestern region.
B. Saratov Hydroelectric Station
Saratov Hydroelectric Station is a major hydroelectric power plant on the Volga River in Russia, providing electricity generation and water regulation for the surrounding region.
C. Volkhov Hydroelectric Station
Volkhov Hydroelectric Station is one of Russia’s oldest large-scale hydroelectric power plants, located in the Leningrad Oblast and historically significant for its role in early Soviet electrification.
D. Rybinsk Hydroelectric Station
Rybinsk Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, known for creating one of the world’s largest artificial reservoirs at the time of its construction.
E. 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.
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_69bd43f3d6e08190a91824f833d51bbe`	completed	March 20, 2026, 12:56 p.m.
NER	Named-entity recognition	`batch_69bd57760f4481908f69ce82be63d7f8`	completed	March 20, 2026, 2:19 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bdacd8d7b0819082c8797a2f819cd5`	completed	March 20, 2026, 8:23 p.m.
NEDg	Description generation	`batch_69bdad97c9e0819093849c81fb2a3d8c`	completed	March 20, 2026, 8:27 p.m.
NED2	Entity disambiguation (via description)	`batch_69bdae2dd51081909a24017a4b983f70`	completed	March 20, 2026, 8:29 p.m.

Created at: March 20, 2026, 1:03 p.m.