Triple

T6018050
Position Surface form Disambiguated ID Type / Status
Subject St. Louis–San Francisco Railway E133994 entity
Predicate predecessor P97 FINISHED
Object Kansas City, Fort Scott and Memphis Railroad
The Kansas City, Fort Scott and Memphis Railroad was a regional American railroad that operated in the late 19th and early 20th centuries, primarily serving routes through Kansas, Missouri, and surrounding states before being absorbed into larger rail systems.
E28754 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, Fort Scott and Memphis Railroad | Statement: [St. Louis–San Francisco Railway, predecessor, Kansas City, Fort Scott and Memphis Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kansas City, Fort Scott and Memphis Railroad
Context triple: [St. Louis–San Francisco Railway, predecessor, Kansas City, Fort Scott and Memphis Railroad]
  • 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. Missouri Pacific Railroad
    Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
  • C. New York, Chicago and St. Louis Railroad
    The New York, Chicago and St. Louis Railroad, commonly known as the Nickel Plate Road, was a prominent Midwestern and Great Lakes region railroad in the United States that operated major freight and passenger services between key industrial cities.
  • D. 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.
  • E. Nashville, Chattanooga and St. Louis Railway
    The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
  • 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, Fort Scott and Memphis Railroad
Triple: [St. Louis–San Francisco Railway, predecessor, Kansas City, Fort Scott and Memphis Railroad]
Generated description
The Kansas City, Fort Scott and Memphis Railroad was a regional American railroad that operated in the late 19th and early 20th centuries, primarily serving routes through Kansas, Missouri, and surrounding states before being absorbed into larger rail systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kansas City, Fort Scott and Memphis Railroad
Target entity description: The Kansas City, Fort Scott and Memphis Railroad was a regional American railroad that operated in the late 19th and early 20th centuries, primarily serving routes through Kansas, Missouri, and surrounding states before being absorbed into larger rail systems.
  • A. Missouri–Kansas–Texas Railroad chosen
    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. Missouri Pacific Railroad
    Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
  • C. New York, Chicago and St. Louis Railroad
    The New York, Chicago and St. Louis Railroad, commonly known as the Nickel Plate Road, was a prominent Midwestern and Great Lakes region railroad in the United States that operated major freight and passenger services between key industrial cities.
  • D. 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.
  • E. Nashville, Chattanooga and St. Louis Railway
    The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
  • F. None of above.

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_69c008742a5c8190b9cb9c2787a3d8b3 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04f8458588190a78aa32cbdbecfb1 completed March 22, 2026, 8:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c1136a4720819092bf2c6a9101c71b completed March 23, 2026, 10:18 a.m.
NEDg Description generation batch_69c113efd9d88190a1ee7bbed4863a11 completed March 23, 2026, 10:20 a.m.
NED2 Entity disambiguation (via description) batch_69c1146097a88190bdd0345da094607e completed March 23, 2026, 10:22 a.m.
Created at: March 22, 2026, 4:07 p.m.