Triple

T23118906
Position Surface form Disambiguated ID Type / Status
Subject British Pacific Fleet E576834 entity
Predicate primaryOpponent P437 FINISHED
Object Imperial Japanese Navy — 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: Imperial Japanese Navy | Statement: [British Pacific Fleet, primaryOpponent, Imperial Japanese Navy]

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: Imperial Japanese Navy
Context triple: [British Pacific Fleet, primaryOpponent, Imperial Japanese Navy]
  • A. Imperial Japanese Navy chosen
    The Imperial Japanese Navy was the maritime military force of the Empire of Japan, renowned for its powerful carrier fleet and major role in naval battles across the Pacific during World War II.
  • B. Combined Fleet of the Imperial Japanese Navy
    The Combined Fleet of the Imperial Japanese Navy was the principal operational fleet formation that coordinated Japan’s major naval forces, especially during the late 19th and early 20th centuries.
  • C. Imperial Japanese Navy battle fleet
    The Imperial Japanese Navy battle fleet was the main capital-ship striking force of Japan’s navy, centered on battleships and battlecruisers that embodied its pre–World War II doctrine of decisive naval engagements.
  • D. Imperial Japanese Navy submarine force
    The Imperial Japanese Navy submarine force was the underwater warfare arm of Japan’s pre-1945 navy, operating a diverse fleet of submarines for reconnaissance, commerce raiding, and fleet support during World War II.
  • E. 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.
  • 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_69e245f6c2e881909a228fdcfeb7c7d3 elicitation completed
NER batch_69f18e4ece5481908d05b4b1e6a07db3 ner completed
Created at: April 17, 2026, 3:59 p.m.