Triple

T5813217
Position Surface form Disambiguated ID Type / Status
Subject Western Pacific Railroad E128920 entity
Predicate mainRoute P6298 FINISHED
Object Feather River Route
The Feather River Route was a scenic transcontinental rail line through California’s Feather River Canyon, renowned for its gentle grades and role as the Western Pacific Railroad’s primary connection between the San Francisco Bay Area and the American interior.
E547683 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: Feather River Route | Statement: [Western Pacific Railroad, mainRoute, Feather River Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Feather River Route
Context triple: [Western Pacific Railroad, mainRoute, Feather River Route]
  • A. Applegate–Lassen Route
    The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
  • B. Anza Trail
    Anza Trail is a historic route in the American Southwest and California that commemorates the 18th-century overland expedition led by Juan Bautista de Anza and his settlers.
  • C. Shasta Route
    The Shasta Route was a scenic rail line in the Pacific Northwest known for connecting California and Oregon through the Cascade Range under the Southern Pacific Railroad.
  • D. San Joaquins route
    The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
  • E. California Trail
    The California Trail was a major 19th-century overland wagon route that carried hundreds of thousands of emigrants westward to California, especially during the California Gold Rush.
  • 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: Feather River Route
Triple: [Western Pacific Railroad, mainRoute, Feather River Route]
Generated description
The Feather River Route was a scenic transcontinental rail line through California’s Feather River Canyon, renowned for its gentle grades and role as the Western Pacific Railroad’s primary connection between the San Francisco Bay Area and the American interior.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Feather River Route
Target entity description: The Feather River Route was a scenic transcontinental rail line through California’s Feather River Canyon, renowned for its gentle grades and role as the Western Pacific Railroad’s primary connection between the San Francisco Bay Area and the American interior.
  • A. Applegate–Lassen Route
    The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
  • B. Anza Trail
    Anza Trail is a historic route in the American Southwest and California that commemorates the 18th-century overland expedition led by Juan Bautista de Anza and his settlers.
  • C. Shasta Route
    The Shasta Route was a scenic rail line in the Pacific Northwest known for connecting California and Oregon through the Cascade Range under the Southern Pacific Railroad.
  • D. San Joaquins route
    The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
  • E. California Trail
    The California Trail was a major 19th-century overland wagon route that carried hundreds of thousands of emigrants westward to California, especially during the California Gold Rush.
  • 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_69c0084788848190bcf71f6bc5d71597 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02b56044c8190847478a342d441c2 completed March 22, 2026, 5:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69c09848dd148190aeea1b1d454b8da5 completed March 23, 2026, 1:32 a.m.
NEDg Description generation batch_69c098ba92408190b61b115540fce941 completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c099bd26fc8190a58bf483a6d4cbca completed March 23, 2026, 1:39 a.m.
Created at: March 22, 2026, 3:52 p.m.