Triple

T12120141
Position Surface form Disambiguated ID Type / Status
Subject Amagasaki derailment E288671 entity
Predicate municipality P852 FINISHED
Object Amagasaki E85802 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: Amagasaki | Statement: [Amagasaki derailment, municipality, Amagasaki]

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: Amagasaki
Context triple: [Amagasaki derailment, municipality, Amagasaki]
  • A. Amagasaki chosen
    Amagasaki is an industrial city in Japan’s Hyōgo Prefecture, situated in the Kansai region between Osaka and Kobe.
  • B. Nishinomiya
    Nishinomiya is a city in Japan’s Hyōgo Prefecture, located between Osaka and Kobe, known for its Koshien Stadium and strong baseball culture.
  • C. Kurashiki
    Kurashiki is a historic industrial and canal city in Okayama Prefecture, Japan, known for its well-preserved Edo-period merchant quarter and traditional warehouses.
  • D. Hatsukaichi
    Hatsukaichi is a coastal city in Hiroshima Prefecture, Japan, best known as the mainland gateway to the famous island of Miyajima and its iconic “floating” torii gate.
  • E. Kaizuka
    Kaizuka is a coastal city in Osaka Prefecture, Japan, known for its historical temples, traditional festivals, and proximity to Osaka Bay.
  • 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_69d6ab4b5e4c81909950b17151eb0951 elicitation completed
NER batch_69d91577a03c81909add7a5d7324a648 ner completed
NED1 batch_6a018c30b5388190b5c4190d89c7ae97 ned_source_triple completed
Created at: April 8, 2026, 9:49 p.m.