Triple

T21146301
Position Surface form Disambiguated ID Type / Status
Subject Chicago, St. Paul, Minneapolis and Omaha Railway E521063 entity
Predicate formedByMergerOf P77 FINISHED
Object West Wisconsin Railway
West Wisconsin Railway was a 19th-century regional railroad in western Wisconsin that later became part of the Chicago, St. Paul, Minneapolis and Omaha Railway system.
 E991425 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: West Wisconsin Railway | Statement: [Chicago, St. Paul, Minneapolis and Omaha Railway, formedByMergerOf, West Wisconsin Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: West Wisconsin Railway
Context triple: [Chicago, St. Paul, Minneapolis and Omaha Railway, formedByMergerOf, West Wisconsin Railway]
  • A. Milwaukee and La Crosse Railroad
    The Milwaukee and La Crosse Railroad was a 19th-century Wisconsin railway company that played a key role in connecting Milwaukee with the Mississippi River region and advancing regional commerce and settlement.
  • B. East Troy Electric Railroad
    The East Troy Electric Railroad is a historic heritage railway and museum in Wisconsin that operates vintage electric trolleys on a preserved interurban line.
  • C. Kishwaukee Road
    Kishwaukee Road is a regional roadway in northern Illinois that forms part of the state highway system and serves local communities along its route.
  • D. Great Lakes Central Railroad
    Great Lakes Central Railroad is a regional freight railroad in Michigan that operates former state-owned lines across the central and northern parts of the state.
  • E. Coopersville & Marne Railway
    Coopersville & Marne Railway is a heritage railroad in Michigan that offers scenic excursion train rides using historic equipment.
  • 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: West Wisconsin Railway
Triple: [Chicago, St. Paul, Minneapolis and Omaha Railway, formedByMergerOf, West Wisconsin Railway]
Generated description
West Wisconsin Railway was a 19th-century regional railroad in western Wisconsin that later became part of the Chicago, St. Paul, Minneapolis and Omaha Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: West Wisconsin Railway
Target entity description: West Wisconsin Railway was a 19th-century regional railroad in western Wisconsin that later became part of the Chicago, St. Paul, Minneapolis and Omaha Railway system.
  • A. Milwaukee and La Crosse Railroad chosen
    The Milwaukee and La Crosse Railroad was a 19th-century Wisconsin railway company that played a key role in connecting Milwaukee with the Mississippi River region and advancing regional commerce and settlement.
  • B. East Troy Electric Railroad
    The East Troy Electric Railroad is a historic heritage railway and museum in Wisconsin that operates vintage electric trolleys on a preserved interurban line.
  • C. Kishwaukee Road
    Kishwaukee Road is a regional roadway in northern Illinois that forms part of the state highway system and serves local communities along its route.
  • D. Great Lakes Central Railroad
    Great Lakes Central Railroad is a regional freight railroad in Michigan that operates former state-owned lines across the central and northern parts of the state.
  • E. Coopersville & Marne Railway
    Coopersville & Marne Railway is a heritage railroad in Michigan that offers scenic excursion train rides using historic equipment.
  • 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_69e0b50c6a848190a4e525a77a319b8a completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e723fdc25481909d6648e09b069c41 completed April 21, 2026, 7:15 a.m.
NED1 Entity disambiguation (via context triple) batch_6a097569a3d481908b71593d2309f3b0 completed May 17, 2026, 7:59 a.m.
NEDg Description generation batch_6a097704c6a881908008357c86d75f3d completed May 17, 2026, 8:06 a.m.
NED2 Entity disambiguation (via description) batch_6a09775da35081909628417a2859655d completed May 17, 2026, 8:07 a.m.
Created at: April 16, 2026, 2:58 p.m.