Triple

T6038046
Position Surface form Disambiguated ID Type / Status
Subject Paranaíba River E134470 entity
Predicate drainageBasin P1559 FINISHED
Object La Plata Basin E103861 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: La Plata Basin | Statement: [Paranaíba River, drainageBasin, La Plata 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: La Plata Basin
Context triple: [Paranaíba River, drainageBasin, La Plata Basin]
  • A. La Plata Basin chosen
    The La Plata Basin is one of South America's largest river basins, encompassing parts of several countries and draining into the Río de la Plata estuary on the Atlantic coast.
  • B. Santiago basin
    The Santiago basin is a large intermontane valley in central Chile that hosts the country’s capital, Santiago, and is surrounded by the Andes and coastal mountain ranges.
  • C. Mapimí Basin
    The Mapimí Basin is an endorheic desert basin in north-central Mexico, known for its arid landscapes and the Mapimí Biosphere Reserve within the Chihuahuan Desert.
  • D. Colombian Basin
    The Colombian Basin is a deep oceanic basin in the southwestern Caribbean Sea, lying off the coasts of Colombia and Central America and forming one of the region’s major deep-water areas.
  • E. Tajo Basin
    The Tajo Basin is a major sedimentary basin in central Spain associated with the Tagus River, forming part of the broader Meseta Central plateau region.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69c00875db5c819099dd5bb833ec43c2 elicitation completed
NER batch_69c056ccac948190a27547878d4db8e4 ner completed
NED1 batch_69c1139031248190b796a655bf07a4bc ned_source_triple completed
Created at: March 22, 2026, 4:08 p.m.