Triple

T5905486
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metropolitan Government E131331 entity
Predicate headOfGovernment P307 FINISHED
Object Governor of Tokyo E34205 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: Governor of Tokyo | Statement: [Tokyo Metropolitan Government, headOfGovernment, Governor of Tokyo]

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: Governor of Tokyo
Context triple: [Tokyo Metropolitan Government, headOfGovernment, Governor of Tokyo]
  • A. Governor of Tokyo chosen
    The Governor of Tokyo is the elected chief executive who leads the Tokyo Metropolitan Government and oversees administration, policy, and public services for Japan’s capital region.
  • B. Kyoto Prefectural Governor
    The Kyoto Prefectural Governor is the chief executive official responsible for administering Kyoto Prefecture’s government and implementing regional policies in Japan.
  • C. Mayor of Sumida
    The Mayor of Sumida is the chief executive official responsible for leading the local government and administration of Sumida Ward in Tokyo, Japan.
  • D. Mayor of Yokosuka
    The Mayor of Yokosuka is the elected chief executive responsible for governing the city of Yokosuka in Kanagawa Prefecture, Japan.
  • E. Mayor of Uruma
    The Mayor of Uruma is the elected head of the city government of Uruma in Okinawa Prefecture, responsible for local administration, policy implementation, and representing the municipality.
  • 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_69c0085864a88190a569c05ff7d65f29 elicitation completed
NER batch_69c0377159f88190a142cd7eed6118c1 ner completed
NED1 batch_69c0b16ba6c881908e9a909bf86ea92d ned_source_triple completed
Created at: March 22, 2026, 3:59 p.m.