Triple

T11135652
Position Surface form Disambiguated ID Type / Status
Subject Ruvubu River E263400 entity
Predicate partOf P40 FINISHED
Object upper Nile basin E225049 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: upper Nile basin | Statement: [Ruvubu River, partOf, upper Nile 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: upper Nile basin
Context triple: [Ruvubu River, partOf, upper Nile basin]
  • A. Eastern Nile sub-basin
    The Eastern Nile sub-basin is a major hydrological region of the Nile River system encompassing parts of Ethiopia, Sudan, and neighboring countries, and serving as a key source of the river’s water and hydroelectric potential.
  • B. Upper Nile Valley chosen
    The Upper Nile Valley is the southern stretch of the Nile River basin, encompassing the river’s upstream regions in countries such as Uganda and South Sudan before it flows northward toward Egypt.
  • C. Greater Upper Nile
    Greater Upper Nile is a historically significant region in northeastern South Sudan, known for its oil resources, conflict-affected history, and large Dinka population.
  • D. Nile Basin
    The Nile Basin is the extensive drainage region of the Nile River, spanning multiple countries in northeastern Africa and supporting diverse ecosystems and large human populations dependent on its water resources.
  • E. East Bank of the Nile
    The East Bank of the Nile in Sohag Governorate is the eastern riverside region along the Nile in Upper Egypt, encompassing a series of towns, villages, and agricultural lands.
  • 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_69d6aa9c0ba08190bbd19c217489b755 elicitation completed
NER batch_69d7e85daddc8190a1ae2a4a75cc8d50 ner completed
NED1 batch_69e441fa286881909a8279a8ea6944e7 ned_source_triple completed
Created at: April 8, 2026, 9:28 p.m.