Triple

T5718255
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metropolitan Government Building E126073 entity
Predicate houses P1643 FINISHED
Object Office of the Governor of Tokyo E131331 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: Office of the Governor of Tokyo | Statement: [Tokyo Metropolitan Government Building, houses, Office of the 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: Office of the Governor of Tokyo
Context triple: [Tokyo Metropolitan Government Building, houses, Office of the Governor of Tokyo]
  • A. Tokyo Metropolitan Government chosen
    The Tokyo Metropolitan Government is the administrative body responsible for governing Tokyo’s 23 special wards and surrounding municipalities, overseeing regional policies, public services, and urban planning for Japan’s capital.
  • B. Governor of Tokyo
    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.
  • C. Tokyo Metropolitan Public Safety Commission
    The Tokyo Metropolitan Public Safety Commission is a civilian oversight body that supervises and ensures the accountability of the Tokyo Metropolitan Police Department.
  • D. Tokyo District Public Prosecutors Office
    The Tokyo District Public Prosecutors Office is a major regional prosecutorial authority in Japan responsible for investigating and prosecuting criminal cases in the Tokyo area.
  • E. 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.
  • 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_69c0082e3d548190950169847b43043b elicitation completed
NER batch_69c024e084cc81909a652f7c10d32c32 ner completed
NED1 batch_69c05a7af5788190827ff8050eb6416d ned_source_triple completed
Created at: March 22, 2026, 3:46 p.m.