Triple

T14979415
Position Surface form Disambiguated ID Type / Status
Subject Ishikari River headwaters E373535 entity
Predicate feeds P9008 FINISHED
Object Ishikari River watershed E373535 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: Ishikari River watershed | Statement: [Ishikari River headwaters, feeds, Ishikari River watershed]

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: Ishikari River watershed
Context triple: [Ishikari River headwaters, feeds, Ishikari River watershed]
  • A. Tamakoshi River
    The Tamakoshi River is a significant Himalayan river in Nepal known for its hydropower potential and contribution to the Koshi river system.
  • B. Kitakami River
    The Kitakami River is a major river in Japan’s Tōhoku region, flowing through Iwate and Miyagi Prefectures and known historically for its role in regional transport, agriculture, and flood control.
  • C. Nunobiki River
    Nunobiki River is a short mountain stream in Kobe, Japan, known for flowing through the scenic Nunobiki Falls area before reaching the city.
  • D. Iori River valley
    The Iori River valley is a geographic region shaped by the Iori River, characterized by its fertile lowlands and its role as a natural boundary and corridor in eastern Georgia and neighboring areas.
  • E. Ishikari River headwaters chosen
    The Ishikari River headwaters are the high-altitude source streams of Hokkaido’s longest river, located in the mountainous interior of Daisetsuzan National Park in northern Japan.
  • 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_69d85ccbbcd48190acb56e7cf104d8ad elicitation completed
NER batch_69ded6fcebf481909f72cab577560d82 ner completed
NED1 batch_6a001799fbac8190b75a48a8c63e3381 ned_source_triple completed
Created at: April 10, 2026, 2:51 a.m.