Triple

T9050468
Position Surface form Disambiguated ID Type / Status
Subject Ben Thanh Station E216869 entity
Predicate serves P98 FINISHED
Object Ho Chi Minh City Metro Line 4
Ho Chi Minh City Metro Line 4 is a planned rapid transit line in Ho Chi Minh City’s metro system intended to improve north–south urban connectivity and reduce traffic congestion.
E782586 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: Ho Chi Minh City Metro Line 4 | Statement: [Ben Thanh Station, serves, Ho Chi Minh City Metro Line 4]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ho Chi Minh City Metro Line 4
Context triple: [Ben Thanh Station, serves, Ho Chi Minh City Metro Line 4]
  • A. Ho Chi Minh City Metro Line 2
    Ho Chi Minh City Metro Line 2 is a planned rapid transit line intended to connect central Ho Chi Minh City with its northeastern and southwestern districts as part of the city’s developing metro system.
  • B. Ho Chi Minh City Metro Line 1
    Ho Chi Minh City Metro Line 1 is the first urban rapid transit line in Ho Chi Minh City, Vietnam, designed to connect the city center with its eastern districts and reduce traffic congestion.
  • C. Hanoi Metro Line 2A Cát Linh–Hà Đông
    Hanoi Metro Line 2A Cát Linh–Hà Đông is an elevated urban rail line in Hanoi and Vietnam’s first metro line, connecting central districts with the southwestern Hà Đông area.
  • D. Metro Line 4
    Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
  • E. Chongqing Rail Transit Line 4
    Chongqing Rail Transit Line 4 is an urban metro line in Chongqing, China, that forms part of the Chongqing Rail Transit network and connects key districts across the city.
  • 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: Ho Chi Minh City Metro Line 4
Triple: [Ben Thanh Station, serves, Ho Chi Minh City Metro Line 4]
Generated description
Ho Chi Minh City Metro Line 4 is a planned rapid transit line in Ho Chi Minh City’s metro system intended to improve north–south urban connectivity and reduce traffic congestion.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ho Chi Minh City Metro Line 4
Target entity description: Ho Chi Minh City Metro Line 4 is a planned rapid transit line in Ho Chi Minh City’s metro system intended to improve north–south urban connectivity and reduce traffic congestion.
  • A. Ho Chi Minh City Metro Line 2
    Ho Chi Minh City Metro Line 2 is a planned rapid transit line intended to connect central Ho Chi Minh City with its northeastern and southwestern districts as part of the city’s developing metro system.
  • B. Ho Chi Minh City Metro Line 1
    Ho Chi Minh City Metro Line 1 is the first urban rapid transit line in Ho Chi Minh City, Vietnam, designed to connect the city center with its eastern districts and reduce traffic congestion.
  • C. Hanoi Metro Line 2A Cát Linh–Hà Đông
    Hanoi Metro Line 2A Cát Linh–Hà Đông is an elevated urban rail line in Hanoi and Vietnam’s first metro line, connecting central districts with the southwestern Hà Đông area.
  • D. Metro Line 4
    Metro Line 4 is a rapid transit route within a city's metro system that connects with other lines, including Metro Line 6, to facilitate passenger transfers across the network.
  • E. Chongqing Rail Transit Line 4
    Chongqing Rail Transit Line 4 is an urban metro line in Chongqing, China, that forms part of the Chongqing Rail Transit network and connects key districts across the city.
  • 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_69ca83d362e88190ae44b4e4dc194209 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc6b52cc1881909fb011d9a8af2e18 completed April 1, 2026, 12:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0543ddf6881908e9add22083d652d completed April 3, 2026, 11:58 p.m.
NEDg Description generation batch_69d0583e9d54819096772691741cd0bd completed April 4, 2026, 12:15 a.m.
NED2 Entity disambiguation (via description) batch_69d0586d09488190a364b9723af4a972 completed April 4, 2026, 12:16 a.m.
Created at: March 30, 2026, 7:10 p.m.