Triple

T5634387
Position Surface form Disambiguated ID Type / Status
Subject Virginia and Truckee Railroad E147909 entity
Predicate hasLocale P387 FINISHED
Object Carson River Canyon
Carson River Canyon is a scenic river gorge in western Nevada known for its historic association with the Virginia and Truckee Railroad and its dramatic rugged landscapes.
 E546029 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Carson River Canyon | Statement: [Virginia and Truckee Railroad, hasLocale, Carson River Canyon]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Carson River Canyon
Context triple: [Virginia and Truckee Railroad, hasLocale, Carson River Canyon]
  • 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. Feather River Canyon
    Feather River Canyon is a scenic, steep-walled gorge in the Sierra Nevada of Northern California, known for its dramatic river views, rail and highway routes, and popular outdoor recreation opportunities.
  • C. Salmon River Canyon
    Salmon River Canyon is a rugged, forested river gorge in Oregon known for its scenic hiking, waterfalls, and wild salmon habitat within the Salmon-Huckleberry Wilderness.
  • D. 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.
  • E. Stanislaus River canyon
    Stanislaus River canyon is a scenic river gorge in California known for its rugged terrain, whitewater recreation, and ecological and geological significance.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Carson River Canyon
Target entity description: Carson River Canyon is a scenic river gorge in western Nevada known for its historic association with the Virginia and Truckee Railroad and its dramatic rugged landscapes.
  • 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. Feather River Canyon
    Feather River Canyon is a scenic, steep-walled gorge in the Sierra Nevada of Northern California, known for its dramatic river views, rail and highway routes, and popular outdoor recreation opportunities.
  • C. Salmon River Canyon
    Salmon River Canyon is a rugged, forested river gorge in Oregon known for its scenic hiking, waterfalls, and wild salmon habitat within the Salmon-Huckleberry Wilderness.
  • D. 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.
  • E. Stanislaus River canyon
    Stanislaus River canyon is a scenic river gorge in California known for its rugged terrain, whitewater recreation, and ecological and geological significance.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Carson River Canyon
Triple: [Virginia and Truckee Railroad, hasLocale, Carson River Canyon]
Generated description
Carson River Canyon is a scenic river gorge in western Nevada known for its historic association with the Virginia and Truckee Railroad and its dramatic rugged landscapes.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c00907bc8881909ed760d3ed73ef35 elicitation completed
NER batch_69c0226118548190877793dadf6cacba ner completed
NED1 batch_69c07dae1744819083cc8827ade7478c ned_source_triple completed
NED2 batch_69c08b602c048190b5fcf85a8b6fae27 ned_description completed
NEDg batch_69c08b13e6b08190bfbb71ab03ee01ce nedg completed
Created at: March 22, 2026, 3:41 p.m.