Triple

T8177175
Position Surface form Disambiguated ID Type / Status
Subject ITX-Saemaeul E190965 entity
Predicate lineUsed P6301 FINISHED
Object Donghae Line E188645 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Donghae Line | Statement: [ITX-Saemaeul, lineUsed, Donghae Line]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Donghae Line
Context triple: [ITX-Saemaeul, lineUsed, Donghae Line]
  • A. Donghae Line chosen
    The Donghae Line is a railway line in South Korea that runs along the country’s eastern coast, connecting major cities and districts in the Busan–Ulsan–Pohang region.
  • B. Gyeongchun Line
    The Gyeongchun Line is a commuter rail line in the Seoul metropolitan area that connects Seoul with cities in northeastern Gyeonggi-do and Chuncheon in Gangwon-do.
  • C. Honam Line
    The Honam Line is a major railway corridor in South Korea that connects the southwestern Honam region, including cities like Daejeon, Gwangju, and Mokpo, to the national rail network.
  • D. Janghang Line
    The Janghang Line is a railway line in western South Korea that runs along the west coast, linking cities such as Gunsan with the national rail network.
  • E. Gyeongjeon Line
    The Gyeongjeon Line is a major railway line in South Korea that runs along the southern region, linking key cities between the southeast and southwest coasts.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69ca82c1c0a08190bf8692b4d91a03ca elicitation completed
NER batch_69cb4aba0dd88190828080d0d89612eb ner completed
NED1 batch_69cf5120159881908361bf9cb81e3932 ned_source_triple completed
Created at: March 30, 2026, 5:40 p.m.