Triple

T19734382
Position Surface form Disambiguated ID Type / Status
Subject Gyeongui–Jungang Line E473938 entity
Predicate hasRollingStock P1305 FINISHED
Object Korail Class 331000 EMU
The Korail Class 331000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
 E1393638 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 Class 331000 EMU | Statement: [Gyeongui–Jungang Line, hasRollingStock, Korail Class 331000 EMU]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Korail Class 331000 EMU
Context triple: [Gyeongui–Jungang Line, hasRollingStock, Korail Class 331000 EMU]
  • A. Korail Class 321000 EMU
    The Korail Class 321000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
  • B. Korail Class 341000 trains
    Korail Class 341000 trains are electric multiple units operated by Korail on Seoul’s metropolitan rail network, designed for high-capacity urban commuter service.
  • C. KTX-Eum
    KTX-Eum is a South Korean high-speed electric multiple unit train operated by Korail, designed for intercity services on the country’s high-speed rail network.
  • D. Class 313 EMU
    The Class 313 EMU is a British dual-voltage electric multiple unit train introduced in the 1970s, notable for being among the first of its kind to operate on both overhead and third-rail power systems.
  • E. Class 455 EMU
    The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
  • 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 Class 331000 EMU
Triple: [Gyeongui–Jungang Line, hasRollingStock, Korail Class 331000 EMU]
Generated description
The Korail Class 331000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Korail Class 331000 EMU
Target entity description: The Korail Class 331000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
  • A. Korail Class 321000 EMU
    The Korail Class 321000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
  • B. Korail Class 341000 trains
    Korail Class 341000 trains are electric multiple units operated by Korail on Seoul’s metropolitan rail network, designed for high-capacity urban commuter service.
  • C. KTX-Eum
    KTX-Eum is a South Korean high-speed electric multiple unit train operated by Korail, designed for intercity services on the country’s high-speed rail network.
  • D. Class 313 EMU
    The Class 313 EMU is a British dual-voltage electric multiple unit train introduced in the 1970s, notable for being among the first of its kind to operate on both overhead and third-rail power systems.
  • E. Class 455 EMU
    The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
  • 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_69d8e517ebd48190979ee76723bcfadf completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6515b4d308190af3be1787fa7c65b completed April 20, 2026, 4:16 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07bd5f0a208190bd471c6e8d544a2a completed May 16, 2026, 12:42 a.m.
NEDg Description generation batch_6a07be2233c48190a9337bf238b0944b completed May 16, 2026, 12:45 a.m.
NED2 Entity disambiguation (via description) batch_6a07be94ac8081909dadabadaa4be370 completed May 16, 2026, 12:47 a.m.
Created at: April 10, 2026, 1:47 p.m.