Triple

T21976568
Position Surface form Disambiguated ID Type / Status
Subject Tocho E542719 entity
Predicate alsoKnownAs P39 FINISHED
Object Tokyo Metropolitan Government Office — 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: Tokyo Metropolitan Government Office | Statement: [Tocho, 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: [Tocho, 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. Tokyo Metropolitan Police Department Headquarters
    Tokyo Metropolitan Police Department Headquarters is the central administrative and operational hub of Tokyo’s police force, overseeing all major policing, investigative, and public safety functions across the Tokyo Metropolis.
  • C. Minato Ward Office
    Minato Ward Office is the local government building that administers public services and municipal affairs for Osaka’s Minato Ward.
  • D. Setagaya City Office
    Setagaya City Office is the municipal government headquarters responsible for administering Tokyo’s Setagaya ward, one of the city’s largest residential areas.
  • E. Minato City Government
    Minato City Government is the municipal administrative body responsible for governing and providing public services in Tokyo’s Minato Ward.
  • 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_69e0c48070988190909db97667b9a0ac elicitation completed
NER batch_69f12489889c81909c847cf2f6808d85 ner completed
Created at: April 16, 2026, 8:03 p.m.