Triple

T20020443
Position Surface form Disambiguated ID Type / Status
Subject Seoul Subway Line 6 E494841 entity
Predicate hasRollingStock P1305 FINISHED
Object Seoul Metro 6000 series trains
The Seoul Metro 6000 series trains are electric multiple units specifically built for and operated on Seoul Subway Line 6, featuring modern urban transit design suited to the line’s medium-capacity, frequent-stop service.
 E1407963 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: Seoul Metro 6000 series trains | Statement: [Seoul Subway Line 6, hasRollingStock, Seoul Metro 6000 series trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seoul Metro 6000 series trains
Context triple: [Seoul Subway Line 6, hasRollingStock, Seoul Metro 6000 series trains]
  • A. Seoul Metro 5000 series trains
    The Seoul Metro 5000 series trains are electric multiple units operating on Seoul Subway Line 5, designed for high-capacity urban commuter service with modern safety and passenger comfort features.
  • B. Seoul Metro 8000 series trains
    The Seoul Metro 8000 series trains are electric multiple units used on Seoul’s subway system, particularly known for serving Line 8 with modern, high-capacity urban rail service.
  • C. Seoul Metro 4000 series trains
    The Seoul Metro 4000 series trains are electric multiple units operating on Seoul Subway Line 4, known for serving as a primary fleet for this north–south rapid transit corridor in the Seoul metropolitan area.
  • D. Seoul Metro 3000 series trains
    The Seoul Metro 3000 series trains are electric multiple units specifically built to operate on Seoul Subway Line 3, providing high-capacity urban rail service across the Seoul metropolitan area.
  • E. 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.
  • 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: Seoul Metro 6000 series trains
Triple: [Seoul Subway Line 6, hasRollingStock, Seoul Metro 6000 series trains]
Generated description
The Seoul Metro 6000 series trains are electric multiple units specifically built for and operated on Seoul Subway Line 6, featuring modern urban transit design suited to the line’s medium-capacity, frequent-stop service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Seoul Metro 6000 series trains
Target entity description: The Seoul Metro 6000 series trains are electric multiple units specifically built for and operated on Seoul Subway Line 6, featuring modern urban transit design suited to the line’s medium-capacity, frequent-stop service.
  • A. Seoul Metro 5000 series trains
    The Seoul Metro 5000 series trains are electric multiple units operating on Seoul Subway Line 5, designed for high-capacity urban commuter service with modern safety and passenger comfort features.
  • B. Seoul Metro 8000 series trains
    The Seoul Metro 8000 series trains are electric multiple units used on Seoul’s subway system, particularly known for serving Line 8 with modern, high-capacity urban rail service.
  • C. Seoul Metro 4000 series trains
    The Seoul Metro 4000 series trains are electric multiple units operating on Seoul Subway Line 4, known for serving as a primary fleet for this north–south rapid transit corridor in the Seoul metropolitan area.
  • D. Seoul Metro 3000 series trains
    The Seoul Metro 3000 series trains are electric multiple units specifically built to operate on Seoul Subway Line 3, providing high-capacity urban rail service across the Seoul metropolitan area.
  • E. 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.
  • 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_69da626bfd288190aa5d65098b6433ae completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6623f1598819097ad4fa392540901 completed April 20, 2026, 5:28 p.m.
NED1 Entity disambiguation (via context triple) batch_6a080e2af45881909f0d8dfe55bdef8e completed May 16, 2026, 6:26 a.m.
NEDg Description generation batch_6a080fcaa49881908016c87f2aeb880f completed May 16, 2026, 6:33 a.m.
NED2 Entity disambiguation (via description) batch_6a0813a9147c8190ad9f98ab36b363e2 completed May 16, 2026, 6:50 a.m.
Created at: April 11, 2026, 3:34 p.m.