Triple

T12697611
Position Surface form Disambiguated ID Type / Status
Subject Meridian Union Station E303375 entity
Predicate isOn P1493 FINISHED
Object Kansas City Southern Railway line
The Kansas City Southern Railway line is a major freight rail route in the central and southern United States operated by the Kansas City Southern Railway, connecting key regional hubs and supporting significant commercial transport.
E997572 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: Kansas City Southern Railway line | Statement: [Meridian Union Station, isOn, Kansas City Southern Railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kansas City Southern Railway line
Context triple: [Meridian Union Station, isOn, Kansas City Southern Railway line]
  • A. Missouri–Kansas–Texas Railroad
    The Missouri–Kansas–Texas Railroad, commonly known as the MKT or "the Katy," was a major American railroad that served the south-central United States, particularly linking Missouri, Kansas, Oklahoma, and Texas.
  • B. St. Louis–San Francisco Railway
    The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
  • C. St. Louis Southwestern Railway
    St. Louis Southwestern Railway, commonly known as the Cotton Belt, was a regional U.S. railroad that primarily served the south-central states and later became part of the Southern Pacific system.
  • D. Colorado Central Railroad
    The Colorado Central Railroad was a 19th-century narrow-gauge railroad in Colorado that played a key role in serving the region’s mining communities and connecting mountain towns to larger rail networks.
  • E. St. Louis, Brownsville and Mexico Railway
    The St. Louis, Brownsville and Mexico Railway was an early 20th-century railroad that helped open and develop South Texas and the Rio Grande Valley by connecting the region to national rail networks.
  • 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: Kansas City Southern Railway line
Triple: [Meridian Union Station, isOn, Kansas City Southern Railway line]
Generated description
The Kansas City Southern Railway line is a major freight rail route in the central and southern United States operated by the Kansas City Southern Railway, connecting key regional hubs and supporting significant commercial transport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kansas City Southern Railway line
Target entity description: The Kansas City Southern Railway line is a major freight rail route in the central and southern United States operated by the Kansas City Southern Railway, connecting key regional hubs and supporting significant commercial transport.
  • A. Missouri–Kansas–Texas Railroad
    The Missouri–Kansas–Texas Railroad, commonly known as the MKT or "the Katy," was a major American railroad that served the south-central United States, particularly linking Missouri, Kansas, Oklahoma, and Texas.
  • B. St. Louis–San Francisco Railway
    The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
  • C. St. Louis Southwestern Railway
    St. Louis Southwestern Railway, commonly known as the Cotton Belt, was a regional U.S. railroad that primarily served the south-central states and later became part of the Southern Pacific system.
  • D. Colorado Central Railroad
    The Colorado Central Railroad was a 19th-century narrow-gauge railroad in Colorado that played a key role in serving the region’s mining communities and connecting mountain towns to larger rail networks.
  • E. St. Louis, Brownsville and Mexico Railway
    The St. Louis, Brownsville and Mexico Railway was an early 20th-century railroad that helped open and develop South Texas and the Rio Grande Valley by connecting the region to national rail networks.
  • 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_69d7bdef90d48190b46b88270e780946 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d961ed26588190ae76ff17159e06ec completed April 10, 2026, 8:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f671b066348190aedfe186fc4724f9 completed May 2, 2026, 9:50 p.m.
NEDg Description generation batch_69f672d16f8881908c6d5cfed0b3ec3a completed May 2, 2026, 9:55 p.m.
NED2 Entity disambiguation (via description) batch_69f67396fdac8190970068b2c39ad2f7 completed May 2, 2026, 9:58 p.m.
Created at: April 9, 2026, 5:22 p.m.