Triple

T8887912
Position Surface form Disambiguated ID Type / Status
Subject runway system of Kansai International Airport E211580 entity
Predicate designedToServe P33500 FINISHED
Object Osaka metropolitan area E40815 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: Osaka metropolitan area | Statement: [runway system of Kansai International Airport, designedToServe, Osaka metropolitan area]

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: Osaka metropolitan area
Context triple: [runway system of Kansai International Airport, designedToServe, Osaka metropolitan area]
  • A. Osaka–Kobe metropolitan area chosen
    The Osaka–Kobe metropolitan area is a major urban and economic region in Japan’s Kansai area, centered on the cities of Osaka and Kobe and known for its dense population, industry, and cultural influence.
  • B. Kyoto metropolitan area
    The Kyoto metropolitan area is a major urban and cultural region in Japan centered on the historic city of Kyoto and its surrounding municipalities.
  • C. Chūkyō metropolitan area
    The Chūkyō metropolitan area is Japan’s third-largest urban and industrial region, centered on Nagoya and known as a major hub for automotive manufacturing and international trade.
  • D. Yokohama metropolitan area
    The Yokohama metropolitan area is a major urban and economic region in Japan centered on the port city of Yokohama and its surrounding municipalities within the Greater Tokyo area.
  • E. Greater Kyoto–Osaka metropolitan area
    The Greater Kyoto–Osaka metropolitan area is a major urban and economic region in Japan centered around the cities of Kyoto, Osaka, and Kobe, known for its dense population, industrial output, and cultural significance.
  • 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_69ca83907954819096d52a245b635841 elicitation completed
NER batch_69cc618e58d08190be3ebcbe3701b1db ner completed
NED1 batch_69cfba0609a4819081cae3ae3d5a8478 ned_source_triple completed
Created at: March 30, 2026, 6:53 p.m.