Triple

T5845711
Position Surface form Disambiguated ID Type / Status
Subject Garoua E129704 entity
Predicate regionServed P82 FINISHED
Object Benue River basin E19419 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: Benue River basin | Statement: [Garoua, regionServed, Benue 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: Benue River basin
Context triple: [Garoua, regionServed, Benue River basin]
  • A. Athi River basin
    The Athi River basin is a major drainage basin in Kenya that collects waters from rivers such as the Nairobi River and ultimately feeds into the Indian Ocean.
  • B. Benue River chosen
    The Benue River is a major West African waterway and the largest tributary of the Niger River, flowing through Cameroon and Nigeria and serving as an important route for transport, agriculture, and fishing.
  • C. Volta River basin
    The Volta River basin is a major West African drainage basin encompassing the catchment area of the Volta River and its tributaries across several countries, including Ghana, Burkina Faso, and Togo.
  • D. Niger River valley
    The Niger River valley is a fertile and historically significant region in West Africa that has long supported dense human settlement, agriculture, and trade along the course of the Niger River.
  • E. Aba River
    The Aba River is a waterway in southeastern Nigeria that flows through the city of Aba and serves as an important local natural and economic resource.
  • 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_69c0084bd31c8190a796bb6284845e83 elicitation completed
NER batch_69c034dcafe88190a438034a539ffa52 ner completed
NED1 batch_69c107ee88fc8190a6f633ff168b51ed ned_source_triple completed
Created at: March 22, 2026, 3:55 p.m.