Triple

T19089314
Position Surface form Disambiguated ID Type / Status
Subject Seoul Station E467238 entity
Predicate railwayLine P848 FINISHED
Object Airport Railroad Express
Airport Railroad Express is a rail service in South Korea that connects central Seoul with Incheon International Airport and Gimpo International Airport.
E1357825 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: Airport Railroad Express | Statement: [Seoul Station, railwayLine, Airport Railroad Express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Airport Railroad Express
Context triple: [Seoul Station, railwayLine, Airport Railroad Express]
  • A. Auto Train
    Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
  • B. Amtrak Missouri River Runner
    Amtrak Missouri River Runner is a passenger train service operated by Amtrak that runs between Kansas City and St. Louis along the Missouri River corridor.
  • C. Trinity Railway Express
    Trinity Railway Express is a commuter rail service connecting Dallas and Fort Worth, Texas, providing regional passenger transportation across the Dallas–Fort Worth metroplex.
  • D. Amtrak Cardinal
    Amtrak Cardinal is a long-distance passenger train operated by Amtrak that runs between New York City and Chicago via Washington, D.C., Charlottesville, and Cincinnati, offering scenic views through the Appalachian Mountains.
  • E. Amtrak Heartland Flyer
    The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
  • 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: Airport Railroad Express
Triple: [Seoul Station, railwayLine, Airport Railroad Express]
Generated description
Airport Railroad Express is a rail service in South Korea that connects central Seoul with Incheon International Airport and Gimpo International Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Airport Railroad Express
Target entity description: Airport Railroad Express is a rail service in South Korea that connects central Seoul with Incheon International Airport and Gimpo International Airport.
  • A. Auto Train
    Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
  • B. Amtrak Missouri River Runner
    Amtrak Missouri River Runner is a passenger train service operated by Amtrak that runs between Kansas City and St. Louis along the Missouri River corridor.
  • C. Trinity Railway Express
    Trinity Railway Express is a commuter rail service connecting Dallas and Fort Worth, Texas, providing regional passenger transportation across the Dallas–Fort Worth metroplex.
  • D. Amtrak Cardinal
    Amtrak Cardinal is a long-distance passenger train operated by Amtrak that runs between New York City and Chicago via Washington, D.C., Charlottesville, and Cincinnati, offering scenic views through the Appalachian Mountains.
  • E. Amtrak Heartland Flyer
    The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
  • 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_69d8dd05ac4c8190b1967d8f97f3fb2f completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5e34981648190a89b006831846940 completed April 20, 2026, 8:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05dd90862881908e7cf95935847f8d completed May 14, 2026, 2:34 p.m.
NEDg Description generation batch_6a05dfcd85b08190b0ec431590396dbb completed May 14, 2026, 2:44 p.m.
NED2 Entity disambiguation (via description) batch_6a05e09c58308190975c69c86482292a completed May 14, 2026, 2:47 p.m.
Created at: April 10, 2026, 12:04 p.m.