Triple

T22775776
Position Surface form Disambiguated ID Type / Status
Subject São Simão Dam E563692 entity
Predicate reservoirName P13043 FINISHED
Object São Simão Reservoir NE NERFINISHED

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: São Simão Reservoir | Statement: [São Simão Dam, reservoirName, São Simão Reservoir]

Disambiguation candidates (1 decision)

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: São Simão Reservoir
Context triple: [São Simão Dam, reservoirName, São Simão Reservoir]
  • A. Guarapiranga Reservoir
    Guarapiranga Reservoir is a large artificial lake in the southern part of São Paulo, Brazil, serving as an important source of water supply and a popular site for recreation and water sports.
  • B. Barra Bonita Reservoir
    Barra Bonita Reservoir is an artificial lake in the state of São Paulo, Brazil, created for hydroelectric power generation, navigation, and water regulation along the Tietê River.
  • C. Jurumirim Reservoir
    Jurumirim Reservoir is a large artificial lake in the state of São Paulo, Brazil, known for hydroelectric power generation, water regulation, and recreational activities.
  • D. São Simão Dam chosen
    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. Cabril Reservoir
    Cabril Reservoir is a major artificial lake in central Portugal, created by a dam on the Zêzere River and used for hydroelectric power generation, water storage, and recreation.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e24554497c819080b996e071de27c2 elicitation completed
NER batch_69f17b61acf881909d9f54e0966ee3cc ner completed
Created at: April 17, 2026, 3:28 p.m.