Triple

T23485416
Position Surface form Disambiguated ID Type / Status
Subject North–South Railway of Vietnam E570520 entity
Predicate alsoKnownAs P39 FINISHED
Object Reunification Express line E869639 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Reunification Express line | Statement: [North–South Railway of Vietnam, alsoKnownAs, Reunification Express line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Reunification Express line
Context triple: [North–South Railway of Vietnam, alsoKnownAs, Reunification Express line]
  • A. Reunification Express line chosen
    The Reunification Express line is Vietnam’s principal north–south railway route, running the length of the country between Hanoi and Ho Chi Minh City.
  • B. Nord-Süd-Bahn
    Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
  • C. UP Express rail link
    The UP Express rail link is a dedicated airport rail service in Toronto that connects Toronto Pearson International Airport with the city's downtown Union Station.
  • D. AREX rail line
    The AREX rail line is a major South Korean airport railway connecting central Seoul with Incheon International Airport and Gimpo International Airport.
  • E. Taejongdae Danubi train
    The Taejongdae Danubi train is a tourist shuttle train in Busan’s Taejongdae Resort Park that transports visitors between major scenic spots such as cliffs, forests, and the lighthouse.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e245b0b01481908f636939bedd804c completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1a7538a8c8190b7effcc39a3f9787 completed April 29, 2026, 6:38 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c826a3c088190ae29a5c3224052fd completed May 19, 2026, 3:31 p.m.
Created at: April 17, 2026, 6:03 p.m.