Triple

T6903476
Position Surface form Disambiguated ID Type / Status
Subject Haeundae Station (Busan Metro Line 2) E159548 entity
Predicate partOfLine P6309 FINISHED
Object Busan Metro Line 2
Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting central districts with coastal areas such as Haeundae and serving as a key component of the city's urban transit network.
E36979 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 2 | Statement: [Haeundae Station (Busan Metro Line 2), partOfLine, Busan Metro Line 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Busan Metro Line 2
Context triple: [Haeundae Station (Busan Metro Line 2), partOfLine, Busan Metro Line 2]
  • A. 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.
  • B. Gwangju Metro
    Gwangju Metro is the urban rapid transit system serving the city of Gwangju in South Korea.
  • C. Daegu Metro
    Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
  • D. Daejeon Metro
    Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
  • E. 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.
  • 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 2
Triple: [Haeundae Station (Busan Metro Line 2), partOfLine, Busan Metro Line 2]
Generated description
Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting central districts with coastal areas such as Haeundae and serving as a key component of the city's urban transit network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Busan Metro Line 2
Target entity description: Busan Metro Line 2 is a major east–west subway line in Busan, South Korea, connecting central districts with coastal areas such as Haeundae and serving as a key component of the city's urban transit network.
  • A. Busan Metro chosen
    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.
  • B. Gwangju Metro
    Gwangju Metro is the urban rapid transit system serving the city of Gwangju in South Korea.
  • C. Daegu Metro
    Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
  • D. Daejeon Metro
    Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
  • E. 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.
  • F. None of above.

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_69c6883822e0819091e321526f20ae0a completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6d988a5b48190a9238047e86f314c completed March 27, 2026, 7:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7e4fd792481909251c8749d7a11a3 completed March 28, 2026, 2:26 p.m.
NEDg Description generation batch_69c7e5df5eb08190a22e53b95fbc23f2 completed March 28, 2026, 2:29 p.m.
NED2 Entity disambiguation (via description) batch_69c7e64fe200819081901b32523a5fa5 completed March 28, 2026, 2:31 p.m.
Created at: March 27, 2026, 2:25 p.m.