Triple

T5905490
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metropolitan Government E131331 entity
Predicate alsoKnownAs P39 FINISHED
Object Tokyo Metropolitan Government Office 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: Tokyo Metropolitan Government Office | Statement: [Tokyo Metropolitan Government, alsoKnownAs, Tokyo Metropolitan Government Office]

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: Tokyo Metropolitan Government Office
Context triple: [Tokyo Metropolitan Government, alsoKnownAs, Tokyo Metropolitan Government Office]
  • 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. Shinjuku Ward Office
    Shinjuku Ward Office is the main administrative government building serving Tokyo’s Shinjuku ward, handling local civic services and ward governance.
  • 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. Shibuya City Office
    Shibuya City Office is the municipal government headquarters responsible for administering public services and local governance in Tokyo’s Shibuya ward.
  • E. Shinagawa City Hall
    Shinagawa City Hall is the main administrative government building serving Tokyo’s Shinagawa ward, housing its municipal offices and public services.
  • 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.