Triple

T8082317
Position Surface form Disambiguated ID Type / Status
Subject Donghae Line E188645 entity
Predicate hasSection P35 FINISHED
Object Busan–Ulsan section
The Busan–Ulsan section is a coastal railway segment in southeastern South Korea that connects the major port city of Busan with the industrial city of Ulsan.
 E722480 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: Busan–Ulsan section | Statement: [Donghae Line, hasSection, Busan–Ulsan section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Busan–Ulsan section
Context triple: [Donghae Line, hasSection, Busan–Ulsan section]
  • A. Daegu Line
    The Daegu Line is a railway line in South Korea that serves the Daegu region, linking it with other major rail corridors in the country.
  • B. Honam Line
    The Honam Line is a major railway corridor in South Korea that connects the southwestern Honam region, including cities like Daejeon, Gwangju, and Mokpo, to the national rail network.
  • C. Daejeon Line
    The Daejeon Line is a railway line in Daejeon, South Korea, that connects key stations within the city and links local routes to the national rail network.
  • D. Gwangju Line
    The Gwangju Line is a railway line in South Korea that connects Gwangju with the national rail network, serving as an important regional transportation route.
  • E. Pyeongtaek–Jecheon Line
    The Pyeongtaek–Jecheon Line is a major railway route in South Korea that connects the city of Pyeongtaek in Gyeonggi Province with Jecheon in North Chungcheong Province, serving 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: Busan–Ulsan section
Triple: [Donghae Line, hasSection, Busan–Ulsan section]
Generated description
The Busan–Ulsan section is a coastal railway segment in southeastern South Korea that connects the major port city of Busan with the industrial city of Ulsan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Busan–Ulsan section
Target entity description: The Busan–Ulsan section is a coastal railway segment in southeastern South Korea that connects the major port city of Busan with the industrial city of Ulsan.
  • A. Daegu Line
    The Daegu Line is a railway line in South Korea that serves the Daegu region, linking it with other major rail corridors in the country.
  • B. Honam Line
    The Honam Line is a major railway corridor in South Korea that connects the southwestern Honam region, including cities like Daejeon, Gwangju, and Mokpo, to the national rail network.
  • C. Daejeon Line
    The Daejeon Line is a railway line in Daejeon, South Korea, that connects key stations within the city and links local routes to the national rail network.
  • D. Gwangju Line
    The Gwangju Line is a railway line in South Korea that connects Gwangju with the national rail network, serving as an important regional transportation route.
  • E. Pyeongtaek–Jecheon Line
    The Pyeongtaek–Jecheon Line is a major railway route in South Korea that connects the city of Pyeongtaek in Gyeonggi Province with Jecheon in North Chungcheong Province, serving 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_69ca82b662e88190b9323daab8c28a21 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb415cb4688190920868317e77bbff completed March 31, 2026, 3:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd677b00548190929a2a38b4d1476f completed April 1, 2026, 6:44 p.m.
NEDg Description generation batch_69cd6c1f75748190b119acd0d92f2ef9 completed April 1, 2026, 7:03 p.m.
NED2 Entity disambiguation (via description) batch_69cd7da4f3a0819080eed3d03c293789 completed April 1, 2026, 8:18 p.m.
Created at: March 30, 2026, 5:28 p.m.