Triple

T960291
Position Surface form Disambiguated ID Type / Status
Subject California Zephyr E20719 entity
Predicate traverses P416 FINISHED
Object Feather River Canyon (historic alignment)
Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
E113446 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 Canyon (historic alignment) | Statement: [California Zephyr, traverses, Feather River Canyon (historic alignment)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Feather River Canyon (historic alignment)
Context triple: [California Zephyr, traverses, Feather River Canyon (historic alignment)]
  • A. Kern River Canyon
    Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
  • B. Kaweah River canyon
    Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
  • C. Norris Canyon, California
    Norris Canyon, California is a small unincorporated community in Contra Costa County known for its rural residential character and rolling East Bay hills.
  • D. 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.
  • E. Navarin Canyon
    Navarin Canyon is a large submarine canyon in the Bering Sea known for its complex seafloor topography and rich marine ecosystems.
  • 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 Canyon (historic alignment)
Triple: [California Zephyr, traverses, Feather River Canyon (historic alignment)]
Generated description
Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Feather River Canyon (historic alignment)
Target entity description: Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
  • A. Kern River Canyon
    Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
  • B. Kaweah River canyon
    Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
  • C. Norris Canyon, California
    Norris Canyon, California is a small unincorporated community in Contra Costa County known for its rural residential character and rolling East Bay hills.
  • D. 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.
  • E. Navarin Canyon
    Navarin Canyon is a large submarine canyon in the Bering Sea known for its complex seafloor topography and rich marine ecosystems.
  • 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_69a493b21f2881908132dcf45dcd2f36 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4b412f9f48190be123e8c20f38962 completed March 1, 2026, 9:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac11a3f8c481908f9ed37c44788cb7 completed March 7, 2026, 11:53 a.m.
NEDg Description generation batch_69ac1339634c8190b83c39db30fc78b1 completed March 7, 2026, 11:59 a.m.
NED2 Entity disambiguation (via description) batch_69ac13931cf081908de84000f7b037fc completed March 7, 2026, 12:01 p.m.
Created at: March 1, 2026, 7:40 p.m.