Triple

T4815678
Position Surface form Disambiguated ID Type / Status
Subject Prince Takamatsu E107581 entity
Predicate educatedAt P5 FINISHED
Object Imperial Japanese Naval Academy E16881 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 Naval Academy | Statement: [Prince Takamatsu, educatedAt, Imperial Japanese Naval Academy]

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 Naval Academy
Context triple: [Prince Takamatsu, educatedAt, Imperial Japanese Naval Academy]
  • A. Imperial Japanese Naval Academy chosen
    The Imperial Japanese Naval Academy was the principal officer training school of the Imperial Japanese Navy, producing many of its leading commanders before and during World War II.
  • B. Naval War College (Japan)
    Naval War College (Japan) was the Imperial Japanese Navy’s elite higher education institution for advanced naval strategy, tactics, and officer training.
  • C. Imperial Japanese Army Academy
    The Imperial Japanese Army Academy was the principal officer training school of the Imperial Japanese Army, responsible for educating and commissioning its professional military leadership before and during World War II.
  • D. National Defense Academy of Japan
    The National Defense Academy of Japan is the country’s premier four-year university-level institution that educates and trains future officers for Japan’s Self-Defense Forces.
  • E. Naval Polytechnic Academy
    The Naval Polytechnic Academy is a higher education institution in Chile that provides advanced technical and professional training for officers and specialists of the Chilean Navy.
  • 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_69be4db5652081909af5ef92df72c221 ned_source_triple completed
Created at: March 20, 2026, 1:23 p.m.