Triple

T13864303
Position Surface form Disambiguated ID Type / Status
Subject Ishikari Bay E333281 entity
Predicate namedAfter P63 FINISHED
Object Ishikari River E1247277 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 | Statement: [Ishikari Bay, namedAfter, Ishikari 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: Ishikari River
Context triple: [Ishikari Bay, namedAfter, Ishikari River]
  • A. Ishikari River chosen
    The Ishikari River is one of Japan’s longest rivers, flowing through central Hokkaido and playing a key role in the region’s agriculture and settlement.
  • B. Tamakoshi River
    The Tamakoshi River is a significant Himalayan river in Nepal known for its hydropower potential and contribution to the Koshi river system.
  • C. Kamanashi River
    The Kamanashi River is a major river in central Japan that flows through Yamanashi Prefecture as part of the upper Fuji River system.
  • D. 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.
  • E. Yūbari River
    The Yūbari River is a river in Hokkaido, Japan, known for flowing through the former coal-mining city of Yūbari and into the Ishikari 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_69d81c5ced9c8190b0e9bcc6effe5959 elicitation completed
NER batch_69de05c30d9c81908217d41a3b4aaf85 ner completed
NED1 batch_6a012ec19c508190912c3fe186f8a992 ned_source_triple completed
Created at: April 9, 2026, 10:14 p.m.