Triple

T7392774
Position Surface form Disambiguated ID Type / Status
Subject Beatty Historic Mining District E170541 entity
Predicate hasTransportationHistory P1298 FINISHED
Object Las Vegas and Tonopah Railroad
The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
E664212 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: Las Vegas and Tonopah Railroad | Statement: [Beatty Historic Mining District, hasTransportationHistory, Las Vegas and Tonopah Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Las Vegas and Tonopah Railroad
Context triple: [Beatty Historic Mining District, hasTransportationHistory, Las Vegas and Tonopah Railroad]
  • A. Tonopah and Tidewater Railroad
    The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
  • B. 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.
  • C. Winchester and Western Railroad
    Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
  • D. 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.
  • E. Union Pacific Railroad Mojave Subdivision
    The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
  • 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: Las Vegas and Tonopah Railroad
Triple: [Beatty Historic Mining District, hasTransportationHistory, Las Vegas and Tonopah Railroad]
Generated description
The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Las Vegas and Tonopah Railroad
Target entity description: The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
  • A. Tonopah and Tidewater Railroad
    The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
  • B. 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.
  • C. Winchester and Western Railroad
    Winchester and Western Railroad is a regional shortline railroad that operates freight services in parts of the Mid-Atlantic United States, including the South Jersey area.
  • D. 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.
  • E. Union Pacific Railroad Mojave Subdivision
    The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
  • 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_69c68a5e2c9081909e713ce866e0060a completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f224790c819099ceb7c7ac8d00f6 completed March 27, 2026, 9:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69c81ecf65388190a149efc77aedcd91 completed March 28, 2026, 6:32 p.m.
NEDg Description generation batch_69c82367a41081909ecc89604932b3da completed March 28, 2026, 6:52 p.m.
NED2 Entity disambiguation (via description) batch_69c823b58c088190b1a42c07d97c02ba completed March 28, 2026, 6:53 p.m.
Created at: March 27, 2026, 3:09 p.m.