Triple

T19117194
Position Surface form Disambiguated ID Type / Status
Subject Line 4 (Seoul Metropolitan Subway) E467935 entity
Predicate hasSection P35 FINISHED
Object Korail Ansan Line section
The Korail Ansan Line section is a commuter rail segment in the Seoul metropolitan area that forms part of Seoul Subway Line 4, connecting southern suburbs and satellite cities to the urban rail network.
E1377536 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: Korail Ansan Line section | Statement: [Line 4 (Seoul Metropolitan Subway), hasSection, Korail Ansan Line section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Korail Ansan Line section
Context triple: [Line 4 (Seoul Metropolitan Subway), hasSection, Korail Ansan Line 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. 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.
  • C. Suin–Bundang Line
    The Suin–Bundang Line is a major commuter rail line in the Seoul metropolitan area that connects southeastern Seoul with surrounding cities such as Seongnam, Yongin, and Suwon.
  • D. 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.
  • E. 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.
  • 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: Korail Ansan Line section
Triple: [Line 4 (Seoul Metropolitan Subway), hasSection, Korail Ansan Line section]
Generated description
The Korail Ansan Line section is a commuter rail segment in the Seoul metropolitan area that forms part of Seoul Subway Line 4, connecting southern suburbs and satellite cities to the urban rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Korail Ansan Line section
Target entity description: The Korail Ansan Line section is a commuter rail segment in the Seoul metropolitan area that forms part of Seoul Subway Line 4, connecting southern suburbs and satellite cities to the urban rail network.
  • 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. 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.
  • C. Suin–Bundang Line
    The Suin–Bundang Line is a major commuter rail line in the Seoul metropolitan area that connects southeastern Seoul with surrounding cities such as Seongnam, Yongin, and Suwon.
  • D. 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.
  • E. 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.
  • 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_6a073b161f748190ba56a95ba8ce7286 completed May 15, 2026, 3:26 p.m.
NEDg Description generation batch_6a073ba7f03481908ed5c06a46c0a029 completed May 15, 2026, 3:28 p.m.
NED2 Entity disambiguation (via description) batch_6a073cae2df481908ed9a0ee0bc14fd5 completed May 15, 2026, 3:33 p.m.
Created at: April 10, 2026, 12:05 p.m.