Triple

T4466771
Position Surface form Disambiguated ID Type / Status
Subject Itaipu Dam E98397 entity
Predicate operator P179 FINISHED
Object Itaipu Binacional
Itaipu Binacional is a bi-national company jointly owned by Brazil and Paraguay that manages and operates the Itaipu hydroelectric power plant, one of the largest in the world.
E98397 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: Itaipu Binacional | Statement: [Itaipu Dam, operator, Itaipu Binacional]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Itaipu Binacional
Context triple: [Itaipu Dam, operator, Itaipu Binacional]
  • A. Itaipu Dam
    Itaipu Dam is a massive hydroelectric power plant on the Brazil–Paraguay border, once the world’s largest in installed capacity and still one of the most important sources of renewable energy in South America.
  • B. Yacyretá Dam
    The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
  • C. Salto Grande Dam
    Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
  • D. Paraná River hydroelectric system
    The Paraná River hydroelectric system is a network of large dams and power stations along the Paraná River that collectively form one of South America’s most important sources of renewable electricity.
  • E. Cahora Bassa Dam
    Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the 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: Itaipu Binacional
Triple: [Itaipu Dam, operator, Itaipu Binacional]
Generated description
Itaipu Binacional is a bi-national company jointly owned by Brazil and Paraguay that manages and operates the Itaipu hydroelectric power plant, one of the largest in the world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Itaipu Binacional
Target entity description: Itaipu Binacional is a bi-national company jointly owned by Brazil and Paraguay that manages and operates the Itaipu hydroelectric power plant, one of the largest in the world.
  • A. Itaipu Dam chosen
    Itaipu Dam is a massive hydroelectric power plant on the Brazil–Paraguay border, once the world’s largest in installed capacity and still one of the most important sources of renewable energy in South America.
  • B. Yacyretá Dam
    The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
  • C. Salto Grande Dam
    Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
  • D. Paraná River hydroelectric system
    The Paraná River hydroelectric system is a network of large dams and power stations along the Paraná River that collectively form one of South America’s most important sources of renewable electricity.
  • E. Cahora Bassa Dam
    Cahora Bassa Dam is a major hydroelectric dam in Mozambique that forms one of Africa’s largest artificial lakes and supplies significant power to the region.
  • F. None of above.

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_69b3454b4ae481908967426dd37284d6 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3569a38e88190a8d590931c4a7c96 completed March 13, 2026, 12:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69b62860151c8190b43465537b154f00 completed March 15, 2026, 3:32 a.m.
NEDg Description generation batch_69b62c3bf15c8190826f93c4c43733e6 completed March 15, 2026, 3:49 a.m.
NED2 Entity disambiguation (via description) batch_69b62cbaef8c8190b5d89a607c76eaf7 completed March 15, 2026, 3:51 a.m.
Created at: March 12, 2026, 11:34 p.m.