Triple

T15336068
Position Surface form Disambiguated ID Type / Status
Subject Bunkyō City E366668 entity
Predicate romanization P2508 FINISHED
Object Bunkyō-ku 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: Bunkyō-ku | Statement: [Bunkyō City, romanization, Bunkyō-ku]

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: Bunkyō-ku
Context triple: [Bunkyō City, romanization, Bunkyō-ku]
  • A. Bunkyō-ku chosen
    Bunkyō-ku is a central Tokyo ward known for its universities, cultural institutions, and quiet residential neighborhoods.
  • B. Chūō-ku
    Chūō-ku is a central ward of Osaka, Japan, known as a major commercial and entertainment hub featuring famous landmarks, shopping streets, and nightlife areas.
  • C. Chūō-ku
    Chūō-ku is a central ward of Tokyo, Japan, known as a major commercial and business district that includes areas like Ginza and Nihonbashi.
  • D. Chūō-ku
    Chūō-ku is a central ward of Fukuoka City in Japan, known as a major commercial, entertainment, and administrative hub.
  • E. Sumiyoshi-ku
    Sumiyoshi-ku is one of the 24 wards of Osaka, Japan, known as a primarily residential area with a mix of traditional neighborhoods and urban amenities.
  • 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_69d85a1355608190a6673ddb67231d54 elicitation completed
NER batch_69e03e03c5f081908e4d14dbdbc7f7a6 ner completed
Created at: April 10, 2026, 3:17 a.m.