Triple

T4815663
Position Surface form Disambiguated ID Type / Status
Subject Prince Takamatsu E107581 entity
Predicate militaryBranch P253 FINISHED
Object Imperial Japanese Navy E1159 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: Imperial Japanese Navy | Statement: [Prince Takamatsu, militaryBranch, 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: [Prince Takamatsu, militaryBranch, 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 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.
  • D. 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.
  • E. Armed Forces of the Empire of Japan
    The Armed Forces of the Empire of Japan were the combined military organizations of imperial Japan, encompassing its army, navy, and air services that played central roles in Japan’s expansion and conflicts up to the end of World War II.
  • 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_69bd43f9efa081908314cb3e94fa1695 elicitation completed
NER batch_69bd6c8230888190a676695e51cb3ea4 ner completed
NED1 batch_69be4dae0008819089c54a3815e578bc ned_source_triple completed
Created at: March 20, 2026, 1:23 p.m.