Triple

T4749922
Position Surface form Disambiguated ID Type / Status
Subject Seoul Metropolitan Subway E105452 entity
Predicate hasPart P35 FINISHED
Object Gyeongui–Jungang Line
The Gyeongui–Jungang Line is a major commuter rail line in the Seoul metropolitan area that connects central Seoul with its northwestern and eastern suburbs.
E473938 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: Gyeongui–Jungang Line | Statement: [Seoul Metropolitan Subway, hasPart, Gyeongui–Jungang Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gyeongui–Jungang Line
Context triple: [Seoul Metropolitan Subway, hasPart, Gyeongui–Jungang Line]
  • A. Gyeongbu Line
    The Gyeongbu Line is South Korea’s principal railway corridor, connecting the capital Seoul with the major port city of Busan and serving as the country’s busiest and most important rail route.
  • B. Chungbuk Line
    The Chungbuk Line is a railway line in South Korea that connects various cities and counties within North Chungcheong Province, serving as an important regional transport route.
  • 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. Donghae Line
    The Donghae Line is a railway line in South Korea that runs along the country’s eastern coast, connecting major cities and districts in the Busan–Ulsan–Pohang region.
  • E. Inbi Line
    The Inbi Line is a regional railway line in western Japan operated by JR West, connecting Tottori and Okayama prefectures through rural areas including the city of Tsuyama.
  • 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: Gyeongui–Jungang Line
Triple: [Seoul Metropolitan Subway, hasPart, Gyeongui–Jungang Line]
Generated description
The Gyeongui–Jungang Line is a major commuter rail line in the Seoul metropolitan area that connects central Seoul with its northwestern and eastern suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gyeongui–Jungang Line
Target entity description: The Gyeongui–Jungang Line is a major commuter rail line in the Seoul metropolitan area that connects central Seoul with its northwestern and eastern suburbs.
  • A. Gyeongbu Line
    The Gyeongbu Line is South Korea’s principal railway corridor, connecting the capital Seoul with the major port city of Busan and serving as the country’s busiest and most important rail route.
  • B. Chungbuk Line
    The Chungbuk Line is a railway line in South Korea that connects various cities and counties within North Chungcheong Province, serving as an important regional transport route.
  • 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. Donghae Line
    The Donghae Line is a railway line in South Korea that runs along the country’s eastern coast, connecting major cities and districts in the Busan–Ulsan–Pohang region.
  • E. Inbi Line
    The Inbi Line is a regional railway line in western Japan operated by JR West, connecting Tottori and Okayama prefectures through rural areas including the city of Tsuyama.
  • 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_69bd43f07fa48190954317d01600994a completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd64c83af48190bd57be79c1505e9d completed March 20, 2026, 3:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69be5c8e7c74819080b7a5d3995954dd completed March 21, 2026, 8:53 a.m.
NEDg Description generation batch_69be5efdf88481908165609068de9273 completed March 21, 2026, 9:03 a.m.
NED2 Entity disambiguation (via description) batch_69be5f63d5d881909c2f8bf29152903f completed March 21, 2026, 9:05 a.m.
Created at: March 20, 2026, 1:20 p.m.