Triple

T6038044
Position Surface form Disambiguated ID Type / Status
Subject Paranaíba River E134470 entity
Predicate hasHydroelectricPlant P15311 FINISHED
Object Emborcação Dam
Emborcação Dam is a major hydroelectric dam in Brazil known for generating power and forming one of the country’s large artificial reservoirs.
 E585499 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Emborcação Dam | Statement: [Paranaíba River, hasHydroelectricPlant, Emborcação Dam]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Emborcação Dam
Context triple: [Paranaíba River, hasHydroelectricPlant, Emborcação Dam]
  • A. Angostura Dam
    Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
  • B. Angostura Dam
    Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
  • C. Barra Bonita Dam
    Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
  • D. São Simão Dam
    São Simão Dam is a large hydroelectric power facility in Brazil known for generating electricity and forming the São Simão Reservoir on the Paranaíba River.
  • E. Itumbiara Dam
    Itumbiara Dam is a large hydroelectric dam in Brazil known for generating significant electricity and forming one of the country’s major artificial reservoirs.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Emborcação Dam
Target entity description: Emborcação Dam is a major hydroelectric dam in Brazil known for generating power and forming one of the country’s large artificial reservoirs.
  • A. Angostura Dam
    Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
  • B. Angostura Dam
    Angostura Dam is a major hydroelectric dam in Mexico that forms part of the country’s important Grijalva River power generation system.
  • C. Barra Bonita Dam
    Barra Bonita Dam is a hydroelectric and navigation dam complex in the state of São Paulo, Brazil, known for regulating the Tietê River and forming the Barra Bonita Reservoir.
  • D. São Simão Dam
    São Simão Dam is a large hydroelectric power facility in Brazil known for generating electricity and forming the São Simão Reservoir on the Paranaíba River.
  • E. Itumbiara Dam
    Itumbiara Dam is a large hydroelectric dam in Brazil known for generating significant electricity and forming one of the country’s major artificial reservoirs.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Emborcação Dam
Triple: [Paranaíba River, hasHydroelectricPlant, Emborcação Dam]
Generated description
Emborcação Dam is a major hydroelectric dam in Brazil known for generating power and forming one of the country’s large artificial reservoirs.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c00875db5c819099dd5bb833ec43c2 elicitation completed
NER batch_69c056ccac948190a27547878d4db8e4 ner completed
NED1 batch_69c603ce59d88190a6bebba914af0826 ned_source_triple completed
NED2 batch_69c604e8d2748190b9a0505f6803ad07 ned_description completed
NEDg batch_69c6047bff8c81908cfcaef23b78e022 nedg completed
Created at: March 22, 2026, 4:08 p.m.