Triple

T4434875
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Silverliner V E95624 entity
Predicate manufacturer P490 FINISHED
Object 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.
 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: Hyundai Rotem | Statement: [SEPTA Silverliner V, manufacturer, Hyundai Rotem]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hyundai Rotem
Context triple: [SEPTA Silverliner V, manufacturer, Hyundai Rotem]
  • A. Hyundai Heavy Industries
    Hyundai Heavy Industries is a South Korean multinational conglomerate best known as one of the world’s largest shipbuilding and heavy industrial engineering companies.
  • B. Hanwha Engineering & Construction
    Hanwha Engineering & Construction is a South Korean construction and engineering company known for undertaking large-scale international projects, including major stadiums and infrastructure developments.
  • C. LG Group
    LG Group is a major South Korean multinational conglomerate known for its electronics, chemicals, and telecommunications businesses.
  • D. Hyundai Mobis
    Hyundai Mobis is a major South Korean automotive parts and technology company that serves as the primary components and module supplier for the Hyundai Motor Group.
  • E. 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.
  • 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: Hyundai Rotem
Triple: [SEPTA Silverliner V, manufacturer, Hyundai Rotem]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hyundai Rotem
Target entity description: 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.
  • A. Hyundai Heavy Industries
    Hyundai Heavy Industries is a South Korean multinational conglomerate best known as one of the world’s largest shipbuilding and heavy industrial engineering companies.
  • B. Hanwha Engineering & Construction
    Hanwha Engineering & Construction is a South Korean construction and engineering company known for undertaking large-scale international projects, including major stadiums and infrastructure developments.
  • C. LG Group
    LG Group is a major South Korean multinational conglomerate known for its electronics, chemicals, and telecommunications businesses.
  • D. Hyundai Mobis
    Hyundai Mobis is a major South Korean automotive parts and technology company that serves as the primary components and module supplier for the Hyundai Motor Group.
  • E. 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.
  • 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_69b3453ea2b48190a26f154b3b8fece5 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35588e99881908fea7b71a33e2bb6 completed March 13, 2026, 12:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69b6137378dc8190900c8fda2693c4da completed March 15, 2026, 2:03 a.m.
NEDg Description generation batch_69b61439a86c8190849c5af718ddc647 completed March 15, 2026, 2:06 a.m.
NED2 Entity disambiguation (via description) batch_69b614d6106c81908a601f540622f934 completed March 15, 2026, 2:09 a.m.
Created at: March 12, 2026, 11:31 p.m.