Triple

T6692304
Position Surface form Disambiguated ID Type / Status
Subject Milwaukee Road E152656 entity
Predicate successor P78 FINISHED
Object Soo Line Railroad
The Soo Line Railroad was a major U.S. Midwestern railroad, primarily serving the upper Midwest and closely associated with Canadian Pacific Railway’s operations in the United States.
E614262 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: Soo Line Railroad | Statement: [Milwaukee Road, successor, Soo Line Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Soo Line Railroad
Context triple: [Milwaukee Road, successor, Soo Line Railroad]
  • A. Chicago, Milwaukee, St. Paul and Pacific Railroad
    The Chicago, Milwaukee, St. Paul and Pacific Railroad, commonly known as the Milwaukee Road, was a major Midwestern and transcontinental U.S. railroad renowned for its electrified lines and passenger services.
  • B. 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.
  • C. Milwaukee Road
    The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
  • D. Great Northern Railway (U.S.)
    Great Northern Railway (U.S.) was a major transcontinental railroad that operated across the northern United States, connecting the Great Lakes to the Pacific Northwest and playing a key role in the region’s economic development.
  • E. Iowa Interstate Railroad
    Iowa Interstate Railroad is a regional freight railroad operating across parts of Iowa and neighboring Midwestern states, connecting local industries to the national rail network.
  • 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: Soo Line Railroad
Triple: [Milwaukee Road, successor, Soo Line Railroad]
Generated description
The Soo Line Railroad was a major U.S. Midwestern railroad, primarily serving the upper Midwest and closely associated with Canadian Pacific Railway’s operations in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Soo Line Railroad
Target entity description: The Soo Line Railroad was a major U.S. Midwestern railroad, primarily serving the upper Midwest and closely associated with Canadian Pacific Railway’s operations in the United States.
  • A. Chicago, Milwaukee, St. Paul and Pacific Railroad
    The Chicago, Milwaukee, St. Paul and Pacific Railroad, commonly known as the Milwaukee Road, was a major Midwestern and transcontinental U.S. railroad renowned for its electrified lines and passenger services.
  • B. 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.
  • C. Milwaukee Road
    The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
  • D. Great Northern Railway (U.S.)
    Great Northern Railway (U.S.) was a major transcontinental railroad that operated across the northern United States, connecting the Great Lakes to the Pacific Northwest and playing a key role in the region’s economic development.
  • E. Iowa Interstate Railroad
    Iowa Interstate Railroad is a regional freight railroad operating across parts of Iowa and neighboring Midwestern states, connecting local industries to the national rail network.
  • 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_69c6880687b08190805278b504d1c92c completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6b193a8c08190a99152a8eca018e6 completed March 27, 2026, 4:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7007d2cb881909cebe2ab0d55ce3d completed March 27, 2026, 10:11 p.m.
NEDg Description generation batch_69c7054749ac8190b0d8153dcf9fd8a0 completed March 27, 2026, 10:31 p.m.
NED2 Entity disambiguation (via description) batch_69c705db3098819083ce9a93e429b758 completed March 27, 2026, 10:34 p.m.
Created at: March 27, 2026, 2:05 p.m.