Triple

T5905489
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metropolitan Government E131331 entity
Predicate headquartersBuilding P62 FINISHED
Object Tokyo Metropolitan Government Building E126073 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 Building | Statement: [Tokyo Metropolitan Government, headquartersBuilding, Tokyo Metropolitan Government Building]

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 Building
Context triple: [Tokyo Metropolitan Government, headquartersBuilding, Tokyo Metropolitan Government Building]
  • A. Tokyo Metropolitan Government Building chosen
    The Tokyo Metropolitan Government Building is a landmark twin-tower skyscraper in Shinjuku, Tokyo, known for housing the city’s government offices and offering public observation decks with panoramic views.
  • B. Fuji Television Building
    The Fuji Television Building is a landmark futuristic headquarters of Fuji TV in Tokyo, renowned for its striking modernist architecture featuring a prominent spherical observation deck.
  • C. Dai-Ichi Seimei Building, Tokyo
    The Dai-Ichi Seimei Building in Tokyo is a historic office building best known for serving as General Douglas MacArthur’s headquarters during the Allied occupation of Japan after World War II.
  • D. Shinjuku Sumitomo Building
    Shinjuku Sumitomo Building is a prominent high-rise office skyscraper in Tokyo’s Shinjuku district, known for its distinctive triangular design and role as a major business landmark.
  • E. Nihonbashi Mitsui Tower
    Nihonbashi Mitsui Tower is a prominent high-rise office and commercial skyscraper in Tokyo’s Nihonbashi district, known for its modern design integrated with the historic Mitsui headquarters complex.
  • 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_69c0c00e25f88190a5eb68ee234e4f6c ned_source_triple completed
Created at: March 22, 2026, 3:59 p.m.