Triple

T22856458
Position Surface form Disambiguated ID Type / Status
Subject Itumbiara E566495 entity
Predicate locatedInRiverBasin P18951 FINISHED
Object Paranaíba River basin — 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: Paranaíba River basin | Statement: [Itumbiara, locatedInRiverBasin, Paranaíba River basin]

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: Paranaíba River basin
Context triple: [Itumbiara, locatedInRiverBasin, Paranaíba River basin]
  • A. Paranaíba River basin chosen
    The Paranaíba River basin is a major drainage basin in central Brazil that forms one of the principal headwater systems of the Paraná River, supporting extensive agriculture, hydropower, and regional ecosystems.
  • B. Paranapanema River basin
    The Paranapanema River basin is a major drainage basin in southeastern Brazil that collects the waters of the Paranapanema River and its tributaries before they flow into the Upper Paraná River system.
  • C. Tietê River basin
    The Tietê River basin is a major drainage basin in the state of São Paulo, Brazil, encompassing the Tietê River and its tributaries and playing a key role in the region’s water resources, urban development, and environmental management.
  • D. Aragua River basin
    The Aragua River basin is a drainage area in central Venezuela that collects the waters of the Aragua River and supports surrounding cities, agriculture, and ecosystems.
  • E. Teles Pires River basin
    The Teles Pires River basin is a river system in the Brazilian Amazon that forms part of the traditional homeland of the Indigenous Munduruku people and is a key area of ecological and cultural significance.
  • 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_69e2458750b481908a8e4cf4609cc6cf elicitation completed
NER batch_69f17ebd7d48819085f350f2ce4144a0 ner completed
Created at: April 17, 2026, 3:37 p.m.