Triple

T822908
Position Surface form Disambiguated ID Type / Status
Subject Paraná River E17787 entity
Predicate hasDam P8736 FINISHED
Object 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.
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 Dam | Statement: [Paraná River, hasDam, Itaipu Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Itaipu Dam
Context triple: [Paraná River, hasDam, Itaipu Dam]
  • A. 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.
  • B. Three Gorges Dam
    The Three Gorges Dam is a massive hydroelectric gravity dam in China, renowned as one of the world’s largest power stations and a major flood-control and navigation project.
  • C. Aswan High Dam
    The Aswan High Dam is a massive embankment dam on the Nile River in southern Egypt, built in the 1960s to control flooding, provide hydroelectric power, and improve irrigation, while also causing the creation of Lake Nasser and the displacement of communities and archaeological sites in Nubia.
  • D. Itezhi-Tezhi Dam
    Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
  • E. Hoover Dam
    Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
  • 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 Dam
Triple: [Paraná River, hasDam, Itaipu Dam]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Itaipu Dam
Target entity description: 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.
  • A. 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.
  • B. Three Gorges Dam
    The Three Gorges Dam is a massive hydroelectric gravity dam in China, renowned as one of the world’s largest power stations and a major flood-control and navigation project.
  • C. Aswan High Dam
    The Aswan High Dam is a massive embankment dam on the Nile River in southern Egypt, built in the 1960s to control flooding, provide hydroelectric power, and improve irrigation, while also causing the creation of Lake Nasser and the displacement of communities and archaeological sites in Nubia.
  • D. Itezhi-Tezhi Dam
    Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
  • E. Hoover Dam
    Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
  • 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_69a4937bcaac8190a322524ac6f45a5a completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4ab7c139c8190b6d75661b5138d89 completed March 1, 2026, 9:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69a76d93af548190818c14a370e0914a completed March 3, 2026, 11:24 p.m.
NEDg Description generation batch_69a781f5536c81908175d58b6b75adba completed March 4, 2026, 12:51 a.m.
NED2 Entity disambiguation (via description) batch_69a7860e656c8190a08a9999662ba1f1 completed March 4, 2026, 1:08 a.m.
Created at: March 1, 2026, 7:38 p.m.