Triple

T19117138
Position Surface form Disambiguated ID Type / Status
Subject Line 2 (Seoul Metropolitan Subway) E467934 entity
Predicate hasBranch P35 FINISHED
Object Seongsu Branch Line
The Seongsu Branch Line is a spur of Seoul Subway Line 2 that serves the northeastern part of Seoul, connecting Seongsu to key residential and commercial districts.
E1371782 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: Seongsu Branch Line | Statement: [Line 2 (Seoul Metropolitan Subway), hasBranch, Seongsu Branch Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Seongsu Branch Line
Context triple: [Line 2 (Seoul Metropolitan Subway), hasBranch, Seongsu Branch Line]
  • A. Gyeongchun Line
    The Gyeongchun Line is a commuter rail line in the Seoul metropolitan area that connects Seoul with cities in northeastern Gyeonggi-do and Chuncheon in Gangwon-do.
  • B. Gyeongwon Line
    The Gyeongwon Line is a railway line in South Korea that connects parts of northern Seoul with surrounding Gyeonggi Province cities.
  • C. Gyeongjeon Line
    The Gyeongjeon Line is a major railway line in South Korea that runs along the southern region, linking key cities between the southeast and southwest coasts.
  • D. Gyeonggang Line
    The Gyeonggang Line is a South Korean railway line that forms part of the high-speed and commuter rail network, connecting regions in the Seoul metropolitan area and beyond.
  • E. Yeongdong Line
    The Yeongdong Line is a major railway route in South Korea that runs across the country’s eastern region, linking inland areas with coastal cities such as Gangneung.
  • 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: Seongsu Branch Line
Triple: [Line 2 (Seoul Metropolitan Subway), hasBranch, Seongsu Branch Line]
Generated description
The Seongsu Branch Line is a spur of Seoul Subway Line 2 that serves the northeastern part of Seoul, connecting Seongsu to key residential and commercial districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Seongsu Branch Line
Target entity description: The Seongsu Branch Line is a spur of Seoul Subway Line 2 that serves the northeastern part of Seoul, connecting Seongsu to key residential and commercial districts.
  • A. Gyeongchun Line
    The Gyeongchun Line is a commuter rail line in the Seoul metropolitan area that connects Seoul with cities in northeastern Gyeonggi-do and Chuncheon in Gangwon-do.
  • B. Gyeongwon Line
    The Gyeongwon Line is a railway line in South Korea that connects parts of northern Seoul with surrounding Gyeonggi Province cities.
  • C. Gyeongjeon Line
    The Gyeongjeon Line is a major railway line in South Korea that runs along the southern region, linking key cities between the southeast and southwest coasts.
  • D. Gyeonggang Line
    The Gyeonggang Line is a South Korean railway line that forms part of the high-speed and commuter rail network, connecting regions in the Seoul metropolitan area and beyond.
  • E. Yeongdong Line
    The Yeongdong Line is a major railway route in South Korea that runs across the country’s eastern region, linking inland areas with coastal cities such as Gangneung.
  • 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_69d8dd06a26481908039e2a1bae8c597 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5e399a6d8819090a9501ff1637b9d completed April 20, 2026, 8:28 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0723f56c508190bd018a3e10067a05 completed May 15, 2026, 1:47 p.m.
NEDg Description generation batch_6a0724b06e688190b33ff7c5a734661f completed May 15, 2026, 1:50 p.m.
NED2 Entity disambiguation (via description) batch_6a0726b56b548190829a0ec5af6fb929 completed May 15, 2026, 1:59 p.m.
Created at: April 10, 2026, 12:05 p.m.