Triple

T8962196
Position Surface form Disambiguated ID Type / Status
Subject Hà Đông District E214033 entity
Predicate hasPublicTransport P1288 FINISHED
Object 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.
 E769113 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 Metro Line 2A Cát Linh–Hà Đông | Statement: [Hà Đông District, hasPublicTransport, Hanoi Metro Line 2A Cát Linh–Hà Đông]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hanoi Metro Line 2A Cát Linh–Hà Đông
Context triple: [Hà Đông District, hasPublicTransport, Hanoi Metro Line 2A Cát Linh–Hà Đông]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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 Metro Line 2A Cát Linh–Hà Đông
Triple: [Hà Đông District, hasPublicTransport, Hanoi Metro Line 2A Cát Linh–Hà Đông]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hanoi Metro Line 2A Cát Linh–Hà Đông
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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_69ca839cd6008190a1546a701a56710c completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6749e5008190a01f42a2e772dd54 completed April 1, 2026, 12:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfc94e088881909506b229d1fff44a completed April 3, 2026, 2:06 p.m.
NEDg Description generation batch_69cfc9ef5e548190a134c2bf0aa380b5 completed April 3, 2026, 2:08 p.m.
NED2 Entity disambiguation (via description) batch_69cfca735c50819088c2805c62d96d62 completed April 3, 2026, 2:10 p.m.
Created at: March 30, 2026, 7:01 p.m.