Triple

T8082319
Position Surface form Disambiguated ID Type / Status
Subject Donghae Line E188645 entity
Predicate hasSection P35 FINISHED
Object Pohang–Samcheok section
The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
E727716 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: Pohang–Samcheok section | Statement: [Donghae Line, hasSection, Pohang–Samcheok section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pohang–Samcheok section
Context triple: [Donghae Line, hasSection, Pohang–Samcheok section]
  • A. Ulsan–Pohang section
    The Ulsan–Pohang section is a coastal railway segment in South Korea connecting the cities of Ulsan and Pohang as part of the Donghae Line.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Jungang Line
    The Jungang Line is a major railway line in South Korea that runs across the country’s central region, linking Seoul with eastern inland cities.
  • 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: Pohang–Samcheok section
Triple: [Donghae Line, hasSection, Pohang–Samcheok section]
Generated description
The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pohang–Samcheok section
Target entity description: The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
  • A. Ulsan–Pohang section
    The Ulsan–Pohang section is a coastal railway segment in South Korea connecting the cities of Ulsan and Pohang as part of the Donghae Line.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Jungang Line
    The Jungang Line is a major railway line in South Korea that runs across the country’s central region, linking Seoul with eastern inland cities.
  • 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_69cdc65afac4819094282e7d63619111 completed April 2, 2026, 1:28 a.m.
NEDg Description generation batch_69cdcc8439cc8190b00ce9b0781d0544 completed April 2, 2026, 1:55 a.m.
NED2 Entity disambiguation (via description) batch_69cdcdd1a0c08190aa15e665a38945e7 completed April 2, 2026, 2 a.m.
Created at: March 30, 2026, 5:28 p.m.