Triple

T19588410
Position Surface form Disambiguated ID Type / Status
Subject Huế railway station E470163 entity
Predicate locatedOn P40 FINISHED
Object Hanoi–Ho Chi Minh City railway
The Hanoi–Ho Chi Minh City railway, also known as the North–South Railway or Reunification Express line, is Vietnam’s principal north–south rail corridor connecting the capital Hanoi with the southern metropolis Ho Chi Minh City along the length of the country.
E1385622 NE FINISHED

How this triple was built (4 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: Hanoi–Ho Chi Minh City railway | Statement: [Huế railway station, locatedOn, Hanoi–Ho Chi Minh City railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hanoi–Ho Chi Minh City railway
Context triple: [Huế railway station, locatedOn, Hanoi–Ho Chi Minh City railway]
  • A. Hanoi–Haiphong railway
    The Hanoi–Haiphong railway is a major rail line in northern Vietnam that connects the capital city of Hanoi with the key port city of Haiphong, serving as an important corridor for both passenger and freight transport.
  • B. Hanoi–Quan Trieu Railway
    The Hanoi–Quan Trieu Railway is a key standard-gauge rail line in northern Vietnam that connects the capital city Hanoi with the industrial and mining areas around Quan Trieu in Thai Nguyen Province.
  • C. Hanoi–Dong Dang Railway
    The Hanoi–Dong Dang Railway is a major rail line in northern Vietnam that connects the capital city of Hanoi to the border town of Đồng Đăng near China, serving as an important route for both passenger and freight transport.
  • D. Hanoi–Hoang Mai Railway
    The Hanoi–Hoang Mai Railway is a key rail line in Vietnam connecting central Hanoi with the Hoang Mai area as part of the country’s main railway network.
  • E. Hanoi–Thai Nguyen Railway
    The Hanoi–Thai Nguyen Railway is a key rail line in northern Vietnam that connects the capital city of Hanoi with the industrial and educational hub of Thai Nguyen, supporting both passenger and freight transport.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Hanoi–Ho Chi Minh City railway
Triple: [Huế railway station, locatedOn, Hanoi–Ho Chi Minh City railway]
Generated description
The Hanoi–Ho Chi Minh City railway, also known as the North–South Railway or Reunification Express line, is Vietnam’s principal north–south rail corridor connecting the capital Hanoi with the southern metropolis Ho Chi Minh City along the length of the country.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hanoi–Ho Chi Minh City railway
Target entity description: The Hanoi–Ho Chi Minh City railway, also known as the North–South Railway or Reunification Express line, is Vietnam’s principal north–south rail corridor connecting the capital Hanoi with the southern metropolis Ho Chi Minh City along the length of the country.
  • A. Hanoi–Haiphong railway
    The Hanoi–Haiphong railway is a major rail line in northern Vietnam that connects the capital city of Hanoi with the key port city of Haiphong, serving as an important corridor for both passenger and freight transport.
  • B. Hanoi–Quan Trieu Railway
    The Hanoi–Quan Trieu Railway is a key standard-gauge rail line in northern Vietnam that connects the capital city Hanoi with the industrial and mining areas around Quan Trieu in Thai Nguyen Province.
  • C. Hanoi–Dong Dang Railway
    The Hanoi–Dong Dang Railway is a major rail line in northern Vietnam that connects the capital city of Hanoi to the border town of Đồng Đăng near China, serving as an important route for both passenger and freight transport.
  • D. Hanoi–Hoang Mai Railway
    The Hanoi–Hoang Mai Railway is a key rail line in Vietnam connecting central Hanoi with the Hoang Mai area as part of the country’s main railway network.
  • E. Hanoi–Thai Nguyen Railway
    The Hanoi–Thai Nguyen Railway is a key rail line in northern Vietnam that connects the capital city of Hanoi with the industrial and educational hub of Thai Nguyen, supporting both passenger and freight transport.
  • F. None of above. chosen

Provenance (5 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_69d8e510024481908415c0d616fa6186 completed April 10, 2026, 11:54 a.m.
NER Named-entity recognition batch_69e64052f61c81908bb49927d4246030 completed April 20, 2026, 3:03 p.m.
NED1 Entity disambiguation (via context triple) batch_6a075f12fe008190bf2aaf7c63c44467 completed May 15, 2026, 5:59 p.m.
NEDg Description generation batch_6a0760583b588190b8f648acc26bc1ae completed May 15, 2026, 6:05 p.m.
NED2 Entity disambiguation (via description) batch_6a0761223cc081908e08a33eda54d222 completed May 15, 2026, 6:08 p.m.
Created at: April 10, 2026, 1:43 p.m.