Triple

T8277811
Position Surface form Disambiguated ID Type / Status
Subject House of Yi E193589 entity
Predicate eventEndCause P55520 FINISHED
Object Japan–Korea Annexation Treaty E61842 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–Korea Annexation Treaty | Statement: [House of Yi, eventEndCause, Japan–Korea Annexation Treaty]

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–Korea Annexation Treaty
Context triple: [House of Yi, eventEndCause, Japan–Korea Annexation Treaty]
  • A. Japan–Korea Annexation Treaty chosen
    The Japan–Korea Annexation Treaty was the 1910 agreement through which the Japanese Empire formally annexed Korea, initiating a period of colonial rule under a Japanese governor-general.
  • B. Japan–Korea Treaty of 1907
    The Japan–Korea Treaty of 1907 was an unequal agreement that further stripped the Korean Empire of its sovereignty and solidified Japan’s control, paving the way for Korea’s eventual annexation.
  • C. Japan–Korea Treaty of 1905
    The Japan–Korea Treaty of 1905 was an agreement that effectively stripped the Korean Empire of its diplomatic sovereignty and placed it under Japanese control, paving the way for Japan’s formal annexation of Korea.
  • D. Treaty of Shimonoseki
    The Treaty of Shimonoseki was an 1895 peace agreement between Qing China and Japan that ended the First Sino-Japanese War and marked Japan’s emergence as a major imperial power in East Asia.
  • E. Treaty of Ganghwa (1876)
    The Treaty of Ganghwa (1876) was an unequal treaty imposed by Japan on Korea that opened Korean ports to Japanese trade and marked the beginning of Korea’s modern era of foreign intervention and diminished sovereignty.
  • 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_69ca82e217a48190880695635c44b2ed elicitation completed
NER batch_69cb79ebb6b88190bc777b8bd72fcdbc ner completed
NED1 batch_69cd6863c22c8190b888a23bb9005712 ned_source_triple completed
Created at: March 30, 2026, 5:51 p.m.