Triple

T8144848
Position Surface form Disambiguated ID Type / Status
Subject Le Trong Tan E190181 entity
Predicate battle P12 FINISHED
Object Central Highlands Campaign (1975) E441260 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: Central Highlands Campaign (1975) | Statement: [Le Trong Tan, battle, Central Highlands Campaign (1975)]

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: Central Highlands Campaign (1975)
Context triple: [Le Trong Tan, battle, Central Highlands Campaign (1975)]
  • A. Central Highlands campaign (Vietnam War) chosen
    The Central Highlands campaign (Vietnam War) was a series of major U.S. and South Vietnamese military operations in Vietnam’s Central Highlands aimed at disrupting North Vietnamese and Viet Cong forces and securing this strategically vital region.
  • B. Battle of Phuoc Long
    The Battle of Phuoc Long was a pivotal 1974–1975 engagement in the Vietnam War in which North Vietnamese forces captured Phuoc Long Province, revealing the weakness of South Vietnamese defenses and foreshadowing the final offensive against Saigon.
  • C. Nguyen Hue Offensive
    The Nguyen Hue Offensive, better known as the Easter Offensive, was a major 1972 North Vietnamese conventional military campaign against South Vietnam during the Vietnam War.
  • D. Ho Chi Minh Campaign
    The Ho Chi Minh Campaign was the final major North Vietnamese offensive in 1975 that captured Saigon and effectively ended the Vietnam War with the collapse of South Vietnam.
  • E. Vietnam Counteroffensive campaigns
    The Vietnam Counteroffensive campaigns were a series of major U.S. and allied military operations conducted during the Vietnam War aimed at regaining the initiative against communist forces and expanding control over contested regions.
  • 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_69ca82be7ba8819087de0147e9292c83 elicitation completed
NER batch_69cb4445f1948190b8d319b60dd47f65 ner completed
NED1 batch_69cc94b0fc0481909a21f42364a92158 ned_source_triple completed
Created at: March 30, 2026, 5:36 p.m.