Triple

T15336076
Position Surface form Disambiguated ID Type / Status
Subject Bunkyō City E366668 entity
Predicate borderedBy P224 FINISHED
Object Arakawa 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: Arakawa | Statement: [Bunkyō City, borderedBy, Arakawa]

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: Arakawa
Context triple: [Bunkyō City, borderedBy, Arakawa]
  • A. Arakawa chosen
    Arakawa is a special ward in Tokyo, Japan, known for its mix of traditional residential neighborhoods and industrial areas along the Arakawa River.
  • B. Urakawa
    Urakawa is a coastal town in Hokkaido, Japan, known for its horse breeding industry and scenic Pacific shoreline.
  • C. Aikawa
    Aikawa was a former town in Niigata Prefecture, Japan, known historically for its role in the Sado gold and silver mining region before being merged into the city of Sado.
  • D. Aikawa
    Aikawa is a town in Kanagawa Prefecture, Japan, known for its residential communities and proximity to the industrial and commercial city of Atsugi.
  • E. Yamakawa
    Yamakawa is a Japanese surname historically associated with notable Meiji-era figures, including the influential educator and social reformer Ōyama Sutematsu.
  • 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.