Triple

T5377116
Position Surface form Disambiguated ID Type / Status
Subject Chicago and North Western Railway Company E112986 entity
Predicate ownedSubsidiary P254 FINISHED
Object Minneapolis and St. Louis Railway
The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
E522381 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: Minneapolis and St. Louis Railway | Statement: [Chicago and North Western Railway Company, ownedSubsidiary, Minneapolis and St. Louis Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Minneapolis and St. Louis Railway
Context triple: [Chicago and North Western Railway Company, ownedSubsidiary, Minneapolis and St. Louis Railway]
  • A. Chicago, St. Paul, Minneapolis and Omaha Railway
    The Chicago, St. Paul, Minneapolis and Omaha Railway was a Midwestern U.S. railroad system that operated extensive regional passenger and freight services, particularly across Wisconsin, Minnesota, and surrounding states.
  • B. 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.
  • C. 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.
  • D. Chicago and North Western Railway Company
    The Chicago and North Western Railway Company was a major Midwestern American railroad that operated an extensive network of lines connecting Chicago with the upper Midwest and Great Plains from the 19th through the 20th century.
  • E. 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.
  • 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: Minneapolis and St. Louis Railway
Triple: [Chicago and North Western Railway Company, ownedSubsidiary, Minneapolis and St. Louis Railway]
Generated description
The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Minneapolis and St. Louis Railway
Target entity description: The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
  • A. Chicago, St. Paul, Minneapolis and Omaha Railway
    The Chicago, St. Paul, Minneapolis and Omaha Railway was a Midwestern U.S. railroad system that operated extensive regional passenger and freight services, particularly across Wisconsin, Minnesota, and surrounding states.
  • B. 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.
  • C. 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.
  • D. Chicago and North Western Railway Company
    The Chicago and North Western Railway Company was a major Midwestern American railroad that operated an extensive network of lines connecting Chicago with the upper Midwest and Great Plains from the 19th through the 20th century.
  • E. 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.
  • 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_69bd4436a1988190af18dcff7fd306b4 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd86b08bf881909fa2e42c977d807a completed March 20, 2026, 5:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf4877be7481909942b25ba1d0a7fd completed March 22, 2026, 1:40 a.m.
NEDg Description generation batch_69bf497a88b48190b87bf175fe224211 completed March 22, 2026, 1:44 a.m.
NED2 Entity disambiguation (via description) batch_69bf4a1f6e1c8190a9ae94e45fb16cf9 completed March 22, 2026, 1:47 a.m.
Created at: March 20, 2026, 2:03 p.m.