Triple

T14979426
Position Surface form Disambiguated ID Type / Status
Subject Ishikari River headwaters E373535 entity
Predicate drainsTo P4497 FINISHED
Object Sea of Japan E1009 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: Sea of Japan | Statement: [Ishikari River headwaters, drainsTo, Sea of Japan]

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: Sea of Japan
Context triple: [Ishikari River headwaters, drainsTo, Sea of Japan]
  • A. Sea of Japan chosen
    The Sea of Japan is a marginal sea of the western Pacific Ocean located between the Japanese archipelago, the Korean Peninsula, and Russia, known for its rich fisheries and strategic shipping routes.
  • B. Suō Sea
    The Suō Sea is a body of water in western Japan, forming part of the Seto Inland Sea between Honshu and Kyushu.
  • C. Sea of Okhotsk
    The Sea of Okhotsk is a marginal sea of the western Pacific Ocean bordered by Russia and Japan, known for its rich fisheries, seasonal sea ice, and harsh subarctic climate.
  • D. Ariake Sea
    The Ariake Sea is a shallow inland sea in southwestern Japan known for its extensive tidal flats and rich fisheries along the coasts of Kyushu.
  • E. Harima-nada Sea
    The Harima-nada Sea is a section of Japan’s Seto Inland Sea along the coast of Hyōgo Prefecture, known for its sheltered waters, fishing grounds, and busy maritime routes.
  • 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_69fea5a8b3708190be7c35a05fd08a52 ned_source_triple completed
Created at: April 10, 2026, 2:51 a.m.