Triple

T16056129
Position Surface form Disambiguated ID Type / Status
Subject Kannonzaki Lighthouse E389484 entity
Predicate managingAgent P86 FINISHED
Object Japan Coast Guard E88843 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: Japan Coast Guard | Statement: [Kannonzaki Lighthouse, managingAgent, Japan Coast Guard]

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: Japan Coast Guard
Context triple: [Kannonzaki Lighthouse, managingAgent, Japan Coast Guard]
  • A. Japan Coast Guard chosen
    The Japan Coast Guard is Japan’s maritime safety and security agency responsible for law enforcement, search and rescue, and navigation safety in the country’s territorial waters and surrounding seas.
  • B. Japan Maritime Self-Defense Force
    The Japan Maritime Self-Defense Force is Japan’s post–World War II naval branch responsible for maritime defense, security, and disaster relief operations under the country’s pacifist constitution.
  • C. Maritime Bureau of Japan
    The Maritime Bureau of Japan is a governmental body responsible for formulating and implementing Japan’s maritime policies, including shipping administration, maritime safety, and port and coastal management.
  • D. Japan Ground Self-Defense Force
    The Japan Ground Self-Defense Force is the land warfare branch of Japan’s Self-Defense Forces, responsible for the country’s ground-based military defense under a strictly defensive post–World War II security policy.
  • E. Japan Self-Defense Forces
    The Japan Self-Defense Forces are Japan’s post–World War II military organization, maintained strictly for defensive purposes under the country’s pacifist constitution.
  • 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_69d86dae698881908327ef2d67706cb9 elicitation completed
NER batch_69e183744eac8190946c12d58496bf61 ner completed
NED1 batch_6a00077c8e2881909a11a4c53691d187 ned_source_triple completed
Created at: April 10, 2026, 4:56 a.m.