Triple

T7263643
Position Surface form Disambiguated ID Type / Status
Subject Jagalchi Station E159716 entity
Predicate locatedOnLine P2409 FINISHED
Object Busan Metro Line 1
Busan Metro Line 1 is the oldest and one of the main rapid transit lines in Busan, South Korea, running in a generally north–south direction and connecting key commercial and residential areas across the city.
 E690570 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: Busan Metro Line 1 | Statement: [Jagalchi Station, locatedOnLine, Busan Metro Line 1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Busan Metro Line 1
Context triple: [Jagalchi Station, locatedOnLine, Busan Metro Line 1]
  • A. Busan Metro Line 2
    Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting key residential, commercial, and industrial areas across the city.
  • B. Busan Metro
    Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
  • C. Daegu Metro Line 1
    Daegu Metro Line 1 is a major rapid transit line in Daegu, South Korea, notable as the line on which the deadly 2003 Daegu subway fire occurred.
  • D. Daegu Metro Line 2
    Daegu Metro Line 2 is an east–west rapid transit line in Daegu, South Korea, forming a key part of the city's urban rail network.
  • E. Gwangju Metro
    Gwangju Metro is the urban rapid transit system serving the city of Gwangju in South Korea.
  • 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: Busan Metro Line 1
Triple: [Jagalchi Station, locatedOnLine, Busan Metro Line 1]
Generated description
Busan Metro Line 1 is the oldest and one of the main rapid transit lines in Busan, South Korea, running in a generally north–south direction and connecting key commercial and residential areas across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Busan Metro Line 1
Target entity description: Busan Metro Line 1 is the oldest and one of the main rapid transit lines in Busan, South Korea, running in a generally north–south direction and connecting key commercial and residential areas across the city.
  • A. Busan Metro Line 2
    Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting key residential, commercial, and industrial areas across the city.
  • B. Busan Metro
    Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
  • C. Daegu Metro Line 1
    Daegu Metro Line 1 is a major rapid transit line in Daegu, South Korea, notable as the line on which the deadly 2003 Daegu subway fire occurred.
  • D. Daegu Metro Line 2
    Daegu Metro Line 2 is an east–west rapid transit line in Daegu, South Korea, forming a key part of the city's urban rail network.
  • E. Gwangju Metro
    Gwangju Metro is the urban rapid transit system serving the city of Gwangju in South Korea.
  • 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_69c68838f9948190875fd60b2351230c completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6eac9fab88190881ab9e1cd94cdc1 completed March 27, 2026, 8:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69c93a3a7cbc8190a7f183d8a5bb4b06 completed March 29, 2026, 2:42 p.m.
NEDg Description generation batch_69c93acbe3d8819083270c55f9e0cebf completed March 29, 2026, 2:44 p.m.
NED2 Entity disambiguation (via description) batch_69c93b2c0b188190b40b736332021b5d completed March 29, 2026, 2:46 p.m.
Created at: March 27, 2026, 2:57 p.m.