Triple

T12145047
Position Surface form Disambiguated ID Type / Status
Subject Guandu River E289294 entity
Predicate hasHydroelectricPlant P15311 FINISHED
Object Ribeirão das Lajes Hydroelectric Plant
Ribeirão das Lajes Hydroelectric Plant is a major Brazilian hydroelectric power station that supplies electricity to the state of Rio de Janeiro and is one of the oldest large-scale plants in the country.
E808901 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: Ribeirão das Lajes Hydroelectric Plant | Statement: [Guandu River, hasHydroelectricPlant, Ribeirão das Lajes Hydroelectric Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ribeirão das Lajes Hydroelectric Plant
Context triple: [Guandu River, hasHydroelectricPlant, Ribeirão das Lajes Hydroelectric Plant]
  • A. Sobradinho Dam
    Sobradinho Dam is a large hydroelectric and flood-control dam on Brazil’s São Francisco River, notable for creating one of the world’s largest artificial reservoirs.
  • B. Itaparica Dam
    Itaparica Dam is a large hydroelectric dam and reservoir complex on Brazil’s São Francisco River, primarily used for power generation and water regulation.
  • C. Funil Hydroelectric Plant
    The Funil Hydroelectric Plant is a Brazilian power station that generates electricity from the waters of the Paraíba do Sul River.
  • D. Santo Antônio Dam
    Santo Antônio Dam is a large hydroelectric power plant in Brazil, built on the Madeira River near Porto Velho to generate electricity as part of the Madeira River energy complex.
  • E. Belo Monte Dam
    The Belo Monte Dam is a massive hydroelectric complex in Brazil’s Amazon region, known for its high power capacity and significant environmental and social controversy.
  • 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: Ribeirão das Lajes Hydroelectric Plant
Triple: [Guandu River, hasHydroelectricPlant, Ribeirão das Lajes Hydroelectric Plant]
Generated description
Ribeirão das Lajes Hydroelectric Plant is a major Brazilian hydroelectric power station that supplies electricity to the state of Rio de Janeiro and is one of the oldest large-scale plants in the country.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ribeirão das Lajes Hydroelectric Plant
Target entity description: Ribeirão das Lajes Hydroelectric Plant is a major Brazilian hydroelectric power station that supplies electricity to the state of Rio de Janeiro and is one of the oldest large-scale plants in the country.
  • A. Sobradinho Dam
    Sobradinho Dam is a large hydroelectric and flood-control dam on Brazil’s São Francisco River, notable for creating one of the world’s largest artificial reservoirs.
  • B. Itaparica Dam
    Itaparica Dam is a large hydroelectric dam and reservoir complex on Brazil’s São Francisco River, primarily used for power generation and water regulation.
  • C. Funil Hydroelectric Plant chosen
    The Funil Hydroelectric Plant is a Brazilian power station that generates electricity from the waters of the Paraíba do Sul River.
  • D. Santo Antônio Dam
    Santo Antônio Dam is a large hydroelectric power plant in Brazil, built on the Madeira River near Porto Velho to generate electricity as part of the Madeira River energy complex.
  • E. Belo Monte Dam
    The Belo Monte Dam is a massive hydroelectric complex in Brazil’s Amazon region, known for its high power capacity and significant environmental and social controversy.
  • 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_69d6ab4c6710819097a9d228382dde43 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915aacaa08190b31f54e230334406 completed April 10, 2026, 3:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f696ec648190aa43655ac8a2b312 completed May 2, 2026, 1:05 p.m.
NEDg Description generation batch_69f600b7385881909ddb86a1d39ff5d4 completed May 2, 2026, 1:48 p.m.
NED2 Entity disambiguation (via description) batch_69f601ebaa448190ba59485d9d7d68d1 completed May 2, 2026, 1:53 p.m.
Created at: April 8, 2026, 9:49 p.m.