Triple

T6646860
Position Surface form Disambiguated ID Type / Status
Subject Ganges-Brahmaputra-Meghna Delta E150721 entity
Predicate partOf P40 FINISHED
Object Brahmaputra River system E8601 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: Brahmaputra River system | Statement: [Ganges-Brahmaputra-Meghna Delta, partOf, Brahmaputra River system]

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: Brahmaputra River system
Context triple: [Ganges-Brahmaputra-Meghna Delta, partOf, Brahmaputra River system]
  • A. Brahmaputra chosen
    The Brahmaputra is a major transboundary river in South Asia that flows through Tibet, India, and Bangladesh, playing a crucial role in the region’s ecology, agriculture, and culture.
  • B. Ganges-Brahmaputra-Meghna river system
    The Ganges-Brahmaputra-Meghna river system is one of the world’s largest and most densely populated river basins, spanning the Himalayas to the Bay of Bengal and supporting hundreds of millions of people in South Asia.
  • C. Manas River
    The Manas River is a transboundary river flowing through Bhutan and India, renowned for its rich biodiversity and the Manas Wildlife Sanctuary, a UNESCO World Heritage Site along its banks.
  • D. Argichi River
    The Argichi River is a watercourse in Armenia that serves as one of the tributaries feeding into Lake Sevan.
  • E. Barun River
    The Barun River is a glacial river in eastern Nepal that originates near Mount Makalu and flows through the remote Barun Valley before joining the Arun River system.
  • 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_69c687f1a3048190828b7342f7125d5c elicitation completed
NER batch_69c6b01cecc48190a6d2c26d8d5ab80c ner completed
NED1 batch_69c7007135248190a7dc63044b52beff ned_source_triple completed
Created at: March 27, 2026, 2 p.m.