Triple

T12969834
Position Surface form Disambiguated ID Type / Status
Subject Colorado River Basin E321362 entity
Predicate hasTributary P415 FINISHED
Object San Juan River E173375 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: San Juan River | Statement: [Colorado River Basin, hasTributary, San Juan 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: San Juan River
Context triple: [Colorado River Basin, hasTributary, San Juan River]
  • A. San Juan River
    The San Juan River is a major waterway in western Colombia that flows through dense rainforest to the Pacific Ocean, supporting rich biodiversity and local Afro-Colombian and Indigenous communities.
  • B. San Juan River
    The San Juan River is a major Central American waterway forming part of the border between Nicaragua and Costa Rica and providing a historic route from the Caribbean Sea toward Lake Nicaragua.
  • C. San Juan River chosen
    The San Juan River is a major tributary of the Colorado River that winds through the arid canyons of the Four Corners region in the southwestern United States.
  • D. San Juan River
    The San Juan River is a waterway in Metro Manila, Philippines, that flows through several urban areas before joining the Pasig River and plays a role in the city's drainage and flood control system.
  • E. San Juan River
    The San Juan River is a major river in western Argentina that flows through arid regions, supporting agriculture, irrigation, and hydroelectric power in the province of San Juan.
  • 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_69d80763bd6c819094437da5b20b01d2 elicitation completed
NER batch_69d97e407e5081909424fc0c22483c28 ner completed
NED1 batch_69fcd084d94081909ae911fce5640aaf ned_source_triple completed
Created at: April 9, 2026, 8:34 p.m.