Triple

T9433197
Position Surface form Disambiguated ID Type / Status
Subject Lualaba River E227434 entity
Predicate tributary P415 FINISHED
Object Lukuga River E232618 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: Lukuga River | Statement: [Lualaba River, tributary, Lukuga 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: Lukuga River
Context triple: [Lualaba River, tributary, Lukuga River]
  • A. Lukuga River chosen
    The Lukuga River is a major river in central Africa that drains Lake Tanganyika westward toward the Congo River basin.
  • B. Ruvubu River
    The Ruvubu River is a major East African river that flows through Burundi and Tanzania, forming part of the upper Nile basin.
  • C. Ulanga River
    The Ulanga River is a fictional East African waterway famously depicted as the treacherous river route navigated in C.S. Forester’s novel and the classic film "The African Queen."
  • D. Msunduzi River
    The Msunduzi River is a river in South Africa’s KwaZulu-Natal province that forms part of the drainage system feeding into the Lake St Lucia estuarine complex.
  • E. Mfolozi River
    The Mfolozi River is a major river in KwaZulu-Natal, South Africa, known for flowing through the Hluhluwe–iMfolozi Park and draining into the Indian Ocean near the iSimangaliso Wetland Park.
  • 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_69ca8437a7ac81908651de48f2d2141d elicitation completed
NER batch_69cd7e61a114819081fc4a2ad39c96ba ner completed
NED1 batch_69d15261b31881908c1059d704e56bf6 ned_source_triple completed
Created at: March 30, 2026, 7:49 p.m.