Triple

T22363456
Position Surface form Disambiguated ID Type / Status
Subject Uonuma E552836 entity
Predicate hasPrefecturalCapital P14967 FINISHED
Object Niigata (city of Niigata Prefecture) NE NERFINISHED

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: Niigata (city of Niigata Prefecture) | Statement: [Uonuma, hasPrefecturalCapital, Niigata (city of Niigata Prefecture)]

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: Niigata (city of Niigata Prefecture)
Context triple: [Uonuma, hasPrefecturalCapital, Niigata (city of Niigata Prefecture)]
  • A. Niigata, Japan chosen
    Niigata, Japan is a coastal city on the Sea of Japan known for its rice production, sake breweries, and role as the capital of Niigata Prefecture.
  • B. Yamagata City
    Yamagata City is a regional hub in northeastern Japan known for its hot springs, surrounding mountains, and annual Hanagasa Festival.
  • C. Tsunan, Niigata
    Tsunan, Niigata is a mountainous town in Japan’s Niigata Prefecture known for its heavy snowfall, scenic highland landscapes, and outdoor activities such as skiing and hiking.
  • D. city of Kitami
    The city of Kitami is a regional urban center in northeastern Hokkaido, Japan, known for its cold climate, agriculture, and role as a gateway to the surrounding plateau and natural areas.
  • E. Kariwa District, Niigata
    Kariwa District, Niigata is an administrative district in Niigata Prefecture, Japan, known for encompassing the village of Kariwa and the nearby Kashiwazaki-Kariwa Nuclear Power Plant area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e11e4affcc8190ba7c27d29062558d elicitation completed
NER batch_69f157d616748190921bd49039b7f6fc ner completed
Created at: April 16, 2026, 8:44 p.m.