Triple

T4787140
Position Surface form Disambiguated ID Type / Status
Subject Army of the Republic of Vietnam E106505 entity
Predicate notableBattle P259 FINISHED
Object Battle of Ap Bac E135159 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: Battle of Ap Bac | Statement: [Army of the Republic of Vietnam, notableBattle, Battle of Ap Bac]

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: Battle of Ap Bac
Context triple: [Army of the Republic of Vietnam, notableBattle, Battle of Ap Bac]
  • A. Battle of Ap Bac chosen
    The Battle of Ap Bac was a pivotal 1963 Vietnam War clash in the Mekong Delta where outnumbered Viet Cong forces successfully resisted South Vietnamese and U.S.-advised troops, exposing major weaknesses in American-backed military strategy.
  • B. Battle of An Lộc
    The Battle of An Lộc was a major 1972 Vietnam War engagement in which South Vietnamese and U.S. forces successfully defended the town of An Lộc against a large-scale North Vietnamese assault.
  • C. Battle of Cao Bằng
    The Battle of Cao Bằng was a key 1979 clash between Chinese and Vietnamese forces in northern Vietnam that played a significant role in the course of the Sino-Vietnamese War.
  • D. Battle of Lạng Sơn
    The Battle of Lạng Sơn was a key 1979 clash between Chinese and Vietnamese forces in northern Vietnam that played a decisive role in the course and outcome of the Sino-Vietnamese War.
  • E. Battle of Tapae
    The Battle of Tapae was a key engagement between Roman forces under Emperor Domitian and later Trajan and the Dacians, fought near the Iron Gates of Transylvania and remembered as a crucial step in Rome’s eventual conquest of Dacia.
  • 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_69bd43f4a9588190bf73e20bc27c03cc elicitation completed
NER batch_69bd65d8f9d881909c24340b8dc6a104 ner completed
NED1 batch_69be43e01f6c81909ca0121c36d107e9 ned_source_triple completed
Created at: March 20, 2026, 1:22 p.m.