Triple

T8241585
Position Surface form Disambiguated ID Type / Status
Subject City Hall Station (Busan Metro) E192547 entity
Predicate operator P179 FINISHED
Object Busan Transportation Corporation E628359 NE FINISHED

How this triple was built (2 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 Transportation Corporation | Statement: [City Hall Station (Busan Metro), operator, Busan Transportation Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Busan Transportation Corporation
Context triple: [City Hall Station (Busan Metro), operator, Busan Transportation Corporation]
  • A. Busan Transportation Corporation chosen
    Busan Transportation Corporation is the public company responsible for operating and managing the Busan Metro system in Busan, South Korea.
  • B. Daegu Metropolitan Transit Corporation
    Daegu Metropolitan Transit Corporation is the public company responsible for operating and managing the urban rail transit system in Daegu, South Korea.
  • C. Incheon Transit Corporation
    Incheon Transit Corporation is a public transportation company responsible for operating and managing the urban rail network in Incheon, South Korea.
  • D. Busan Infrastructure Corporation
    Busan Infrastructure Corporation is a public organization in Busan, South Korea, responsible for developing, operating, and maintaining the city’s major urban and transportation infrastructure.
  • E. Gyeonggi Railroad Co., Ltd.
    Gyeonggi Railroad Co., Ltd. is a South Korean railway company responsible for operating segments of the Seoul Metropolitan Subway network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82dc8f148190a2c75a98501a7b91 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb783f67708190a4e1c4078c3a6fb0 completed March 31, 2026, 7:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd6801eaec8190a104ac6b08030376 completed April 1, 2026, 6:46 p.m.
Created at: March 30, 2026, 5:47 p.m.