Triple

T9051410
Position Surface form Disambiguated ID Type / Status
Subject Management Authority for Urban Railways E216890 entity
Predicate country P26 FINISHED
Object Socialist Republic of Vietnam E4138 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: Socialist Republic of Vietnam | Statement: [Management Authority for Urban Railways, country, Socialist Republic of 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: Socialist Republic of Vietnam
Context triple: [Management Authority for Urban Railways, country, Socialist Republic of Vietnam]
  • A. Democratic Republic of Vietnam
    The Democratic Republic of Vietnam was the communist state in northern Vietnam that led the struggle against the United States and South Vietnam during the Vietnam War and later unified the country under its rule.
  • B. State of Vietnam
    The State of Vietnam was a French-backed, non-communist government in southern Vietnam (1949–1955) that opposed the Viet Minh during the First Indochina War.
  • C. Republic of Vietnam
    The Republic of Vietnam was the U.S.-backed anti-communist state that governed South Vietnam from 1955 until its fall in 1975 during the Vietnam War.
  • D. Viet Nam chosen
    Viet Nam is a Southeast Asian nation known for its rapid economic growth, rich cultural heritage, and strategic role in regional and global trade.
  • E. People's Republic of Kampuchea
    The People's Republic of Kampuchea was the Vietnam-backed socialist government that ruled Cambodia from 1979 to 1989 after overthrowing the Khmer Rouge regime.
  • 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_69ca83d362e88190ae44b4e4dc194209 elicitation completed
NER batch_69cc6b54423081908d9fd985109e336a ner completed
NED1 batch_69cfebc90bf88190bbcdab07ca93f569 ned_source_triple completed
Created at: March 30, 2026, 7:10 p.m.