Triple

T6746581

Position	Surface form	Disambiguated ID	Type / Status
Subject	Riga Hydroelectric Power Plant	`E154232`	entity
Predicate	partOf	`P40`	FINISHED
Object	Daugava hydroelectric power plants cascade The Daugava hydroelectric power plants cascade is a series of major hydroelectric stations on the Daugava River in Latvia that together form a key component of the country’s electricity generation and water management system.	`E615712`	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: Daugava hydroelectric power plants cascade | Statement: [Riga Hydroelectric Power Plant, partOf, Daugava hydroelectric power plants cascade]

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

Target entity: Daugava hydroelectric power plants cascade
Context triple: [Riga Hydroelectric Power Plant, partOf, Daugava hydroelectric power plants cascade]

A. Riga Hydroelectric Power Plant
Riga Hydroelectric Power Plant is a major hydroelectric facility in Latvia that generates electricity for the region using the flow of the Daugava River.
B. Kegums Hydroelectric Power Plant
Kegums Hydroelectric Power Plant is a major Latvian hydroelectric facility on the Daugava River that generates electricity and helps regulate water flow for the region.
C. Plavinas Hydroelectric Power Plant
Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
D. 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.
E. 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.
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: Daugava hydroelectric power plants cascade
Triple: [Riga Hydroelectric Power Plant, partOf, Daugava hydroelectric power plants cascade]

Generated description

The Daugava hydroelectric power plants cascade is a series of major hydroelectric stations on the Daugava River in Latvia that together form a key component of the country’s electricity generation and water management system.

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

Target entity: Daugava hydroelectric power plants cascade
Target entity description: The Daugava hydroelectric power plants cascade is a series of major hydroelectric stations on the Daugava River in Latvia that together form a key component of the country’s electricity generation and water management system.

A. Riga Hydroelectric Power Plant
Riga Hydroelectric Power Plant is a major hydroelectric facility in Latvia that generates electricity for the region using the flow of the Daugava River.
B. Kegums Hydroelectric Power Plant
Kegums Hydroelectric Power Plant is a major Latvian hydroelectric facility on the Daugava River that generates electricity and helps regulate water flow for the region.
C. Plavinas Hydroelectric Power Plant
Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
D. 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.
E. 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.
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_69c6880ef37881909268a5a7299b9293`	completed	March 27, 2026, 1:37 p.m.
NER	Named-entity recognition	`batch_69c6d1b8a0f0819086b802983e8ffcb6`	completed	March 27, 2026, 6:51 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c70b15ded88190a36fb86093ba5a3c`	completed	March 27, 2026, 10:56 p.m.
NEDg	Description generation	`batch_69c70c334a90819084bb0b25bbc112cc`	completed	March 27, 2026, 11:01 p.m.
NED2	Entity disambiguation (via description)	`batch_69c70d0fcbc08190b3a7d0de3c634a5f`	completed	March 27, 2026, 11:04 p.m.

Created at: March 27, 2026, 2:10 p.m.