Triple

T4815692
Position Surface form Disambiguated ID Type / Status
Subject Prince Takamatsu E107581 entity
Predicate era P200 FINISHED
Object Shōwa period E5564 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: Shōwa period | Statement: [Prince Takamatsu, era, Shōwa period]

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: Shōwa period
Context triple: [Prince Takamatsu, era, Shōwa period]
  • A. Showa era chosen
    The Shōwa era was the period of Emperor Hirohito’s reign in Japan (1926–1989), marked by militarization and World War II, followed by rapid postwar economic growth and modernization.
  • B. Taisho era
    The Taisho era was a period in Japanese history from 1912 to 1926 marked by political liberalization, cultural modernization, and the growth of urban middle-class society.
  • C. Meiji era
    The Meiji era was a transformative period in Japanese history (1868–1912) marked by rapid modernization, industrialization, and the establishment of Western-style political, educational, and social institutions.
  • D. Edo period
    The Edo period was a long era of relative peace, isolationist foreign policy, and flourishing urban culture in Japan under Tokugawa shogunate rule from the early 17th to the mid-19th century.
  • E. Yamato period
    The Yamato period was an early era of Japanese history (roughly 3rd to 7th century) marked by the political consolidation of the Yamato clan, the emergence of a centralized state, and the introduction of Buddhism and Chinese cultural influences.
  • 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_69be5caf2a488190aee1e81c71bd4b60 ned_source_triple completed
Created at: March 20, 2026, 1:23 p.m.