Triple

T12833264

Position	Surface form	Disambiguated ID	Type / Status
Subject	Sayano–Shushenskaya Dam	`E306839`	entity
Predicate	connectedInfrastructure	`P43089`	FINISHED
Object	Mainskaya Hydroelectric Power Station Mainskaya Hydroelectric Power Station is a Russian hydroelectric facility that operates as part of the Sayano–Shushenskaya Dam complex on the Yenisei River.	`E1006255`	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: Mainskaya Hydroelectric Power Station | Statement: [Sayano–Shushenskaya Dam, connectedInfrastructure, Mainskaya Hydroelectric Power Station]

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

Target entity: Mainskaya Hydroelectric Power Station
Context triple: [Sayano–Shushenskaya Dam, connectedInfrastructure, Mainskaya Hydroelectric Power Station]

A. Uglich Hydroelectric Station
Uglich Hydroelectric Station is a hydroelectric power plant on the Volga River in Russia, forming part of the Volga–Kama cascade and providing electricity generation and water regulation for the region.
B. Votkinsk Hydroelectric Station
Votkinsk Hydroelectric Station is a major hydroelectric power plant on the Kama River in Russia, forming the Votkinsk Reservoir and contributing significantly to regional electricity generation and water regulation.
C. Irkutsk Hydroelectric Power Station
Irkutsk Hydroelectric Power Station is a major Soviet-era hydroelectric dam and power plant on the Angara River that supplies electricity and helps regulate water levels for the Irkutsk region in Siberia, Russia.
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. 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: Mainskaya Hydroelectric Power Station
Triple: [Sayano–Shushenskaya Dam, connectedInfrastructure, Mainskaya Hydroelectric Power Station]

Generated description

Mainskaya Hydroelectric Power Station is a Russian hydroelectric facility that operates as part of the Sayano–Shushenskaya Dam complex on the Yenisei River.

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

Target entity: Mainskaya Hydroelectric Power Station
Target entity description: Mainskaya Hydroelectric Power Station is a Russian hydroelectric facility that operates as part of the Sayano–Shushenskaya Dam complex on the Yenisei River.

A. Uglich Hydroelectric Station
Uglich Hydroelectric Station is a hydroelectric power plant on the Volga River in Russia, forming part of the Volga–Kama cascade and providing electricity generation and water regulation for the region.
B. Votkinsk Hydroelectric Station
Votkinsk Hydroelectric Station is a major hydroelectric power plant on the Kama River in Russia, forming the Votkinsk Reservoir and contributing significantly to regional electricity generation and water regulation.
C. Irkutsk Hydroelectric Power Station
Irkutsk Hydroelectric Power Station is a major Soviet-era hydroelectric dam and power plant on the Angara River that supplies electricity and helps regulate water levels for the Irkutsk region in Siberia, Russia.
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. 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_69d7bdf52b94819096d6f0ba4ab50a98`	completed	April 9, 2026, 2:55 p.m.
NER	Named-entity recognition	`batch_69d96fb0bb208190bdc4d3dc7909be06`	completed	April 10, 2026, 9:46 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f69b9bb0b48190ba3f9f92d270db83`	completed	May 3, 2026, 12:49 a.m.
NEDg	Description generation	`batch_69f69cc60c488190a5a71e25c075e9ff`	completed	May 3, 2026, 12:54 a.m.
NED2	Entity disambiguation (via description)	`batch_69f69d845a9081909b40562825c1c500`	completed	May 3, 2026, 12:57 a.m.

Created at: April 9, 2026, 5:34 p.m.