Triple

T17699600
Position Surface form Disambiguated ID Type / Status
Subject Central Highlands campaign (Vietnam War) E441260 entity
Predicate location P40 FINISHED
Object Central Highlands, South Vietnam — NE NERFINISHED

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, South Vietnam | Statement: [Central Highlands campaign (Vietnam War), location, Central Highlands, South Vietnam]

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, South Vietnam
Context triple: [Central Highlands campaign (Vietnam War), location, Central Highlands, South Vietnam]
  • A. Central Highlands, South Vietnam chosen
    Central Highlands, South Vietnam was a strategically vital, mountainous and forested region that served as a major battleground during the Vietnam War.
  • B. Southwestern Vietnam
    Southwestern Vietnam is a region of Vietnam bordering Cambodia and the Gulf of Thailand, known for its Mekong Delta landscapes, coastal towns, and diverse cultural influences.
  • C. Phuoc Vinh, South Vietnam
    Phuoc Vinh, South Vietnam was a key U.S. Army base and provincial capital in Bình Dương Province that served as a major hub for American airmobile operations during the Vietnam War.
  • D. An Khe, South Vietnam
    An Khe, South Vietnam was a strategically important highland town and military base in Vietnam’s Central Highlands that served as a major U.S. Army hub and logistical center during the Vietnam War.
  • E. Chu Lai, South Vietnam
    Chu Lai, South Vietnam was a major U.S. Marine Corps base and coastal military area used as a strategic staging ground during the Vietnam War.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8b9ea20b48190ace88bb46b01e6a9 elicitation completed
NER batch_69e471597d5c8190bd06337239739cd7 ner completed
Created at: April 10, 2026, 10:04 a.m.