Triple

T7301518
Position Surface form Disambiguated ID Type / Status
Subject Bueno River E167865 entity
Predicate hasTributary P415 FINISHED
Object Pilmaiquén River E588191 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: Pilmaiquén River | Statement: [Bueno River, hasTributary, Pilmaiquén River]

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: Pilmaiquén River
Context triple: [Bueno River, hasTributary, Pilmaiquén River]
  • A. Pilmaiquén River chosen
    The Pilmaiquén River is a watercourse in southern Chile known for its hydroelectric potential and its role in the region’s natural and cultural landscape.
  • B. Perquilauquén River
    The Perquilauquén River is a watercourse in central Chile that flows through the Maule Region and serves as a natural boundary between several provinces.
  • C. Aspropotamos River
    The Aspropotamos River, better known as the Acheloos River, is one of the longest and most significant rivers in western Greece, historically important in Greek mythology and regional agriculture.
  • D. Jáchal River
    The Jáchal River is an important river in Argentina’s San Juan Province, known for sustaining agriculture and communities in this arid Andean region.
  • E. Juncal River
    The Juncal River is a mountain river in central Chile that forms one of the principal headwaters of the Aconcagua River, draining glacial and Andean snowmelt.
  • 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_69c6888c820881909fc68f689fe1c251 elicitation completed
NER batch_69c6ebb09164819099c4479d48c1688a ner completed
NED1 batch_69c9de1848108190a0cb612bcbb4119b ned_source_triple completed
Created at: March 27, 2026, 3:01 p.m.