Triple

T15411708
Position Surface form Disambiguated ID Type / Status
Subject Osaka Metro 24 series E368608 entity
Predicate usedIn P98 FINISHED
Object Osaka Prefecture E757 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 Prefecture | Statement: [Osaka Metro 24 series, usedIn, Osaka Prefecture]

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 Prefecture
Context triple: [Osaka Metro 24 series, usedIn, Osaka Prefecture]
  • A. Osaka Prefecture chosen
    Osaka Prefecture is a populous and economically vital region in Japan’s Kansai area, centered on the city of Osaka and known as a major hub of commerce, industry, and culture.
  • B. Kyoto Prefecture
    Kyoto Prefecture is a region in Japan’s Kansai area known for its historic capital city of Kyoto, famous temples, traditional culture, and well-preserved heritage sites.
  • C. Wakayama Prefecture
    Wakayama Prefecture is a coastal region in Japan’s Kansai area known for its sacred sites on the Kii Peninsula, including Mount Koya and the Kumano Kodo pilgrimage routes.
  • D. Nara Prefecture
    Nara Prefecture is a landlocked region in Japan’s Kansai area known for its ancient temples, historic capital city of Nara, and free-roaming deer in Nara Park.
  • E. Shizuoka Prefecture
    Shizuoka Prefecture is a coastal region in central Japan known for its views of Mount Fuji, tea production, and location along the Pacific coast between Tokyo and Nagoya.
  • 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_69d85a16c68c819099c1b547fbc87b32 elicitation completed
NER batch_69e03ea600b48190a3dbca1a68a2a1cd ner completed
NED1 batch_6a0025e6bc748190b8099e7559569a90 ned_source_triple completed
Created at: April 10, 2026, 3:20 a.m.