Triple

T11364924
Position Surface form Disambiguated ID Type / Status
Subject Eastern South Asia E269177 entity
Predicate hasMajorPlain P10769 FINISHED
Object Indo-Gangetic Plain E34017 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: Indo-Gangetic Plain | Statement: [Eastern South Asia, hasMajorPlain, Indo-Gangetic Plain]

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: Indo-Gangetic Plain
Context triple: [Eastern South Asia, hasMajorPlain, Indo-Gangetic Plain]
  • A. Indo-Gangetic Plain chosen
    The Indo-Gangetic Plain is a vast, fertile alluvial lowland in northern India, Pakistan, and Bangladesh, formed by the Indus, Ganges, and Brahmaputra river systems and serving as one of the most densely populated and agriculturally productive regions in the world.
  • B. Ganges Basin
    The Ganges Basin is the vast river drainage system in northern India and neighboring countries that supports hundreds of millions of people through its fertile plains and extensive network of tributaries.
  • C. Brahmaputra Valley
    The Brahmaputra Valley is a fertile, densely populated river valley in northeastern India and Bangladesh, shaped by the course and seasonal flooding of the Brahmaputra River.
  • D. Indus River basin
    The Indus River basin is a vast drainage area in South Asia centered on the Indus River, supporting major agricultural regions and dense populations across parts of Pakistan, India, China, and Afghanistan.
  • E. Saraswati–Drishadvati river system region
    The Saraswati–Drishadvati river system region is an ancient riverine landscape in northwestern India associated with numerous Indus Valley Civilization and early Vedic settlements.
  • 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_69d6aacca1048190b39dbbc2174616fa elicitation completed
NER batch_69d7ea4589908190948a8225768e1eec ner completed
NED1 batch_69e55667d4908190b6290135eba41e54 ned_source_triple completed
Created at: April 8, 2026, 9:33 p.m.