Triple

T20088806
Position Surface form Disambiguated ID Type / Status
Subject New York, Chicago and St. Louis Railroad E496209 entity
Predicate heritagePreservedBy P16342 FINISHED
Object Nickel Plate Road Historical and Technical Society
The Nickel Plate Road Historical and Technical Society is an organization dedicated to preserving and sharing the history, artifacts, and technical information of the former New York, Chicago and St. Louis Railroad, commonly known as the Nickel Plate Road.
E1409528 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: Nickel Plate Road Historical and Technical Society | Statement: [New York, Chicago and St. Louis Railroad, heritagePreservedBy, Nickel Plate Road Historical and Technical Society]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nickel Plate Road Historical and Technical Society
Context triple: [New York, Chicago and St. Louis Railroad, heritagePreservedBy, Nickel Plate Road Historical and Technical Society]
  • A. Nickel Plate Road
    Nickel Plate Road, formally known as the New York, Chicago and St. Louis Railroad, was a prominent Midwestern U.S. railroad famed for its fast freight service and iconic steam locomotives.
  • B. Pacific Locomotive Association
    The Pacific Locomotive Association is a nonprofit organization dedicated to preserving and operating historic railroad equipment, best known for running the heritage Niles Canyon Railway in California.
  • C. Conrail
    Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • D. Railroaders Memorial Museum, Inc.
    Railroaders Memorial Museum, Inc. is the nonprofit organization responsible for preserving and interpreting the railroad heritage and history of Altoona, Pennsylvania, through the operation of the Railroaders Memorial Museum.
  • E. SP&S Railway
    SP&S Railway was a regional American railroad that primarily operated in the Pacific Northwest, connecting key cities such as Spokane, Portland, and Seattle.
  • 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: Nickel Plate Road Historical and Technical Society
Triple: [New York, Chicago and St. Louis Railroad, heritagePreservedBy, Nickel Plate Road Historical and Technical Society]
Generated description
The Nickel Plate Road Historical and Technical Society is an organization dedicated to preserving and sharing the history, artifacts, and technical information of the former New York, Chicago and St. Louis Railroad, commonly known as the Nickel Plate Road.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nickel Plate Road Historical and Technical Society
Target entity description: The Nickel Plate Road Historical and Technical Society is an organization dedicated to preserving and sharing the history, artifacts, and technical information of the former New York, Chicago and St. Louis Railroad, commonly known as the Nickel Plate Road.
  • A. Nickel Plate Road
    Nickel Plate Road, formally known as the New York, Chicago and St. Louis Railroad, was a prominent Midwestern U.S. railroad famed for its fast freight service and iconic steam locomotives.
  • B. Pacific Locomotive Association
    The Pacific Locomotive Association is a nonprofit organization dedicated to preserving and operating historic railroad equipment, best known for running the heritage Niles Canyon Railway in California.
  • C. Conrail
    Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • D. Railroaders Memorial Museum, Inc.
    Railroaders Memorial Museum, Inc. is the nonprofit organization responsible for preserving and interpreting the railroad heritage and history of Altoona, Pennsylvania, through the operation of the Railroaders Memorial Museum.
  • E. SP&S Railway
    SP&S Railway was a regional American railroad that primarily operated in the Pacific Northwest, connecting key cities such as Spokane, Portland, and Seattle.
  • 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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6655d65a88190a510132f36341b6c completed April 20, 2026, 5:41 p.m.
NED1 Entity disambiguation (via context triple) batch_6a081f4bdf448190a0abfbaddcf6bd63 completed May 16, 2026, 7:39 a.m.
NEDg Description generation batch_6a081ff7022c81908859a7f5b6a3506d completed May 16, 2026, 7:42 a.m.
NED2 Entity disambiguation (via description) batch_6a08209cbaf88190b2a6d1284fc02228 completed May 16, 2026, 7:45 a.m.
Created at: April 11, 2026, 11:18 p.m.