Triple

T6959158
Position Surface form Disambiguated ID Type / Status
Subject Sierra Railway of California E161322 entity
Predicate successor P78 FINISHED
Object Sierra Railroad
Sierra Railroad is a historic short-line railroad in California known for its freight operations and frequent use as a filming location for movies and television.
E161322 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: Sierra Railroad | Statement: [Sierra Railway of California, successor, Sierra Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sierra Railroad
Context triple: [Sierra Railway of California, successor, Sierra Railroad]
  • A. Sierra Railway of California
    The Sierra Railway of California is a historic short-line railroad famed for serving the Gold Country region and for its frequent use as a filming location in Western movies and television shows.
  • B. Royal Gorge Route Railroad
    The Royal Gorge Route Railroad is a scenic heritage railway in Colorado that offers passenger excursions through the dramatic Royal Gorge along the Arkansas River.
  • C. 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.
  • D. Yosemite Mountain Sugar Pine Railroad
    Yosemite Mountain Sugar Pine Railroad is a historic narrow-gauge tourist railway near Yosemite National Park that offers scenic steam train rides through the Sierra Nevada forest.
  • E. California Western Railroad
    California Western Railroad is a historic short-line railway in Northern California, best known for its scenic "Skunk Train" excursions through the redwood forests between Willits and Fort Bragg.
  • 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: Sierra Railroad
Triple: [Sierra Railway of California, successor, Sierra Railroad]
Generated description
Sierra Railroad is a historic short-line railroad in California known for its freight operations and frequent use as a filming location for movies and television.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sierra Railroad
Target entity description: Sierra Railroad is a historic short-line railroad in California known for its freight operations and frequent use as a filming location for movies and television.
  • A. Sierra Railway of California chosen
    The Sierra Railway of California is a historic short-line railroad famed for serving the Gold Country region and for its frequent use as a filming location in Western movies and television shows.
  • B. Royal Gorge Route Railroad
    The Royal Gorge Route Railroad is a scenic heritage railway in Colorado that offers passenger excursions through the dramatic Royal Gorge along the Arkansas River.
  • C. 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.
  • D. Yosemite Mountain Sugar Pine Railroad
    Yosemite Mountain Sugar Pine Railroad is a historic narrow-gauge tourist railway near Yosemite National Park that offers scenic steam train rides through the Sierra Nevada forest.
  • E. California Western Railroad
    California Western Railroad is a historic short-line railway in Northern California, best known for its scenic "Skunk Train" excursions through the redwood forests between Willits and Fort Bragg.
  • 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_69c68852a9a0819097797e31d492e273 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6daedbb4c8190b46846fb1265b937 completed March 27, 2026, 7:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69c76a00ded081908db2a4d539e4e502 completed March 28, 2026, 5:41 a.m.
NEDg Description generation batch_69c76b78b8048190943a8f89b251f65d completed March 28, 2026, 5:47 a.m.
NED2 Entity disambiguation (via description) batch_69c76c01679c8190b61f642c23c25ed5 completed March 28, 2026, 5:49 a.m.
Created at: March 27, 2026, 2:29 p.m.