Triple

T19214522
Position Surface form Disambiguated ID Type / Status
Subject Shinbundang Line E480445 entity
Predicate plannedExtension P11869 FINISHED
Object Yongsan–Gwanghwamun section
The Yongsan–Gwanghwamun section is a planned urban rail segment in central Seoul intended to extend the Shinbundang Line to better connect major commercial and administrative districts.
E1468856 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: Yongsan–Gwanghwamun section | Statement: [Shinbundang Line, plannedExtension, Yongsan–Gwanghwamun section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yongsan–Gwanghwamun section
Context triple: [Shinbundang Line, plannedExtension, Yongsan–Gwanghwamun section]
  • A. Sinsa–Yongsan section
    The Sinsa–Yongsan section is a planned urban rail segment in Seoul intended to extend the Shinbundang Line south of the city center and improve connectivity between the Sinsa and Yongsan areas.
  • B. Jeongja–Gwanggyo section
    The Jeongja–Gwanggyo section is a southern extension of Seoul’s Shinbundang Line that connects Jeongja Station in Bundang to the Gwanggyo area of Suwon, improving regional commuter rail access.
  • C. Gangnam–Sinsa section
    The Gangnam–Sinsa section is a segment of Seoul’s Shinbundang Line that connects the busy commercial district of Gangnam with the upscale neighborhood of Sinsa, enhancing north–south transit in the city’s core.
  • D. Shinbundang Line
    The Shinbundang Line is a high-speed, driverless subway line in the Seoul metropolitan area that connects southern Seoul with the satellite city of Bundang.
  • E. Seoul Station–Gimpo International Airport section
    The Seoul Station–Gimpo International Airport section is the central urban stretch of South Korea’s AREX rail line, linking downtown Seoul with one of the capital’s main airports.
  • 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: Yongsan–Gwanghwamun section
Triple: [Shinbundang Line, plannedExtension, Yongsan–Gwanghwamun section]
Generated description
The Yongsan–Gwanghwamun section is a planned urban rail segment in central Seoul intended to extend the Shinbundang Line to better connect major commercial and administrative districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yongsan–Gwanghwamun section
Target entity description: The Yongsan–Gwanghwamun section is a planned urban rail segment in central Seoul intended to extend the Shinbundang Line to better connect major commercial and administrative districts.
  • A. Sinsa–Yongsan section
    The Sinsa–Yongsan section is a planned urban rail segment in Seoul intended to extend the Shinbundang Line south of the city center and improve connectivity between the Sinsa and Yongsan areas.
  • B. Jeongja–Gwanggyo section
    The Jeongja–Gwanggyo section is a southern extension of Seoul’s Shinbundang Line that connects Jeongja Station in Bundang to the Gwanggyo area of Suwon, improving regional commuter rail access.
  • C. Gangnam–Sinsa section
    The Gangnam–Sinsa section is a segment of Seoul’s Shinbundang Line that connects the busy commercial district of Gangnam with the upscale neighborhood of Sinsa, enhancing north–south transit in the city’s core.
  • D. Shinbundang Line
    The Shinbundang Line is a high-speed, driverless subway line in the Seoul metropolitan area that connects southern Seoul with the satellite city of Bundang.
  • E. Seoul Station–Gimpo International Airport section
    The Seoul Station–Gimpo International Airport section is the central urban stretch of South Korea’s AREX rail line, linking downtown Seoul with one of the capital’s main airports.
  • 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_69d8e8cb8c348190b52075823911c869 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fa397c188190b85bcfd9afd8dce6 completed April 20, 2026, 10:04 a.m.
NED1 Entity disambiguation (via context triple) batch_6a096da3b8e88190bae1daccb216d35a completed May 17, 2026, 7:26 a.m.
NEDg Description generation batch_6a096e80955c819080873bc728d9ab5d completed May 17, 2026, 7:30 a.m.
NED2 Entity disambiguation (via description) batch_6a096f5e96cc8190b3be5a773868bd32 completed May 17, 2026, 7:33 a.m.
Created at: April 10, 2026, 1:22 p.m.