Triple

T6619651
Position Surface form Disambiguated ID Type / Status
Subject Hastings, Nebraska E149642 entity
Predicate railroadServedByHistorically P782 FINISHED
Object St. Joseph and Denver City Railroad
The St. Joseph and Denver City Railroad was a 19th-century rail line that formed part of an important east–west route across the Great Plains, helping connect Midwestern communities to broader national rail networks.
E608486 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: St. Joseph and Denver City Railroad | Statement: [Hastings, Nebraska, railroadServedByHistorically, St. Joseph and Denver City Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: St. Joseph and Denver City Railroad
Context triple: [Hastings, Nebraska, railroadServedByHistorically, St. Joseph and Denver City Railroad]
  • A. Carson and Colorado Railway
    The Carson and Colorado Railway was a narrow-gauge railroad that operated in the late 19th and early 20th centuries, primarily serving remote mining regions in Nevada and eastern California.
  • B. Leadville Colorado & Southern Railroad
    The Leadville Colorado & Southern Railroad is a heritage tourist railway in Leadville, Colorado, offering scenic rides through the Rocky Mountains along historic narrow-gauge mining routes.
  • C. Denver and Rio Grande Western Railroad
    The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
  • D. Union Pacific West Line
    The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
  • E. Virginia and Truckee Railroad
    The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
  • 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: St. Joseph and Denver City Railroad
Triple: [Hastings, Nebraska, railroadServedByHistorically, St. Joseph and Denver City Railroad]
Generated description
The St. Joseph and Denver City Railroad was a 19th-century rail line that formed part of an important east–west route across the Great Plains, helping connect Midwestern communities to broader national rail networks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: St. Joseph and Denver City Railroad
Target entity description: The St. Joseph and Denver City Railroad was a 19th-century rail line that formed part of an important east–west route across the Great Plains, helping connect Midwestern communities to broader national rail networks.
  • A. Carson and Colorado Railway
    The Carson and Colorado Railway was a narrow-gauge railroad that operated in the late 19th and early 20th centuries, primarily serving remote mining regions in Nevada and eastern California.
  • B. Leadville Colorado & Southern Railroad
    The Leadville Colorado & Southern Railroad is a heritage tourist railway in Leadville, Colorado, offering scenic rides through the Rocky Mountains along historic narrow-gauge mining routes.
  • C. Denver and Rio Grande Western Railroad
    The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
  • D. Union Pacific West Line
    The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
  • E. Virginia and Truckee Railroad
    The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
  • 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_69c687ed8a9c81908bb671717cb192ef completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6d0a262808190a33ac94374affde4 completed March 27, 2026, 6:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6eee8740881908b4fafb12db6b7f3 completed March 27, 2026, 8:56 p.m.
NEDg Description generation batch_69c6f09ffdd481909418ae33d1683486 completed March 27, 2026, 9:03 p.m.
NED2 Entity disambiguation (via description) batch_69c6f159cbf08190a22d7488584b4580 completed March 27, 2026, 9:06 p.m.
Created at: March 27, 2026, 1:58 p.m.