Triple

T17658567
Position Surface form Disambiguated ID Type / Status
Subject Hyundai Rotem E440188 entity
Predicate predecessor P97 FINISHED
Object Daewoo Heavy Industries rolling stock division
Daewoo Heavy Industries’ rolling stock division was a South Korean manufacturer of railway vehicles and related equipment that later became part of Hyundai Rotem.
 E440188 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: Daewoo Heavy Industries rolling stock division | Statement: [Hyundai Rotem, predecessor, Daewoo Heavy Industries rolling stock division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Daewoo Heavy Industries rolling stock division
Context triple: [Hyundai Rotem, predecessor, Daewoo Heavy Industries rolling stock division]
  • A. Hyundai Rotem
    Hyundai Rotem is a South Korean rolling stock and heavy rail equipment manufacturer known for producing trains, subway cars, and light rail vehicles for transit systems worldwide.
  • B. Tata Daewoo Commercial Vehicle Company
    Tata Daewoo Commercial Vehicle Company is a South Korean manufacturer of heavy and medium-duty commercial vehicles owned by India’s Tata Motors.
  • C. Daewoo Shipbuilding & Marine Engineering
    Daewoo Shipbuilding & Marine Engineering is a major South Korean shipbuilding and offshore engineering company known for constructing large commercial vessels and marine structures.
  • D. Hyundai Samho Heavy Industries
    Hyundai Samho Heavy Industries is a major South Korean shipbuilding company known for constructing large commercial vessels such as container ships, tankers, and LNG carriers.
  • E. Daewoo Precision Industries
    Daewoo Precision Industries is a South Korean firearms manufacturer known for producing military small arms and service rifles.
  • 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: Daewoo Heavy Industries rolling stock division
Triple: [Hyundai Rotem, predecessor, Daewoo Heavy Industries rolling stock division]
Generated description
Daewoo Heavy Industries’ rolling stock division was a South Korean manufacturer of railway vehicles and related equipment that later became part of Hyundai Rotem.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Daewoo Heavy Industries rolling stock division
Target entity description: Daewoo Heavy Industries’ rolling stock division was a South Korean manufacturer of railway vehicles and related equipment that later became part of Hyundai Rotem.
  • A. Hyundai Rotem chosen
    Hyundai Rotem is a South Korean rolling stock and heavy rail equipment manufacturer known for producing trains, subway cars, and light rail vehicles for transit systems worldwide.
  • B. Tata Daewoo Commercial Vehicle Company
    Tata Daewoo Commercial Vehicle Company is a South Korean manufacturer of heavy and medium-duty commercial vehicles owned by India’s Tata Motors.
  • C. Daewoo Shipbuilding & Marine Engineering
    Daewoo Shipbuilding & Marine Engineering is a major South Korean shipbuilding and offshore engineering company known for constructing large commercial vessels and marine structures.
  • D. Hyundai Samho Heavy Industries
    Hyundai Samho Heavy Industries is a major South Korean shipbuilding company known for constructing large commercial vessels such as container ships, tankers, and LNG carriers.
  • E. Daewoo Precision Industries
    Daewoo Precision Industries is a South Korean firearms manufacturer known for producing military small arms and service rifles.
  • F. None of above.

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_69d8b9e87e18819087104a44dc4dc5b1 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e46ea3b4cc81908eec7032cf221d49 completed April 19, 2026, 5:56 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0216584eb88190afa898efae284934 completed May 11, 2026, 5:48 p.m.
NEDg Description generation batch_6a0218a828548190b492e721e546f224 completed May 11, 2026, 5:58 p.m.
NED2 Entity disambiguation (via description) batch_6a02193505ec8190800570487768cf07 completed May 11, 2026, 6 p.m.
Created at: April 10, 2026, 9:37 a.m.