Triple

T5036841
Position Surface form Disambiguated ID Type / Status
Subject Moffat Tunnel route E113445 entity
Predicate passesThrough P225 FINISHED
Object Colorado River canyon
Colorado River canyon is a scenic gorge carved by the Colorado River in the Rocky Mountains of Colorado, known for its dramatic cliffs and key role as a transportation corridor.
 E488667 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: Colorado River canyon | Statement: [Moffat Tunnel route, passesThrough, Colorado 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: Colorado River canyon
Context triple: [Moffat Tunnel route, passesThrough, Colorado River canyon]
  • A. Grand Canyon
    Grand Canyon is a 1991 ensemble drama film directed by Lawrence Kasdan that explores race, class, and chance encounters in contemporary Los Angeles.
  • B. Snake River Canyon
    Snake River Canyon is a dramatic, steep-walled gorge carved by the Snake River in southern Idaho, famed for its scenic vistas, waterfalls, and historic Evel Knievel jump site near Twin Falls.
  • C. Black Canyon
    Black Canyon is a steep, narrow gorge on the Colorado River along the Arizona–Nevada border, best known as the dramatic setting for the Hoover Dam.
  • D. Kings River canyon
    Kings River canyon is a dramatic, steep-walled river gorge in California’s southern Sierra Nevada, renowned for its rugged scenery and deep granite chasms within Sequoia and Kings Canyon National Parks.
  • E. American River canyon
    The American River canyon is a scenic, steep-walled gorge in California known for its rugged landscapes, recreational opportunities, and historical significance from the Gold Rush era.
  • 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: Colorado River canyon
Target entity description: Colorado River canyon is a scenic gorge carved by the Colorado River in the Rocky Mountains of Colorado, known for its dramatic cliffs and key role as a transportation corridor.
  • A. Grand Canyon
    Grand Canyon is a 1991 ensemble drama film directed by Lawrence Kasdan that explores race, class, and chance encounters in contemporary Los Angeles.
  • B. Snake River Canyon
    Snake River Canyon is a dramatic, steep-walled gorge carved by the Snake River in southern Idaho, famed for its scenic vistas, waterfalls, and historic Evel Knievel jump site near Twin Falls.
  • C. Black Canyon
    Black Canyon is a steep, narrow gorge on the Colorado River along the Arizona–Nevada border, best known as the dramatic setting for the Hoover Dam.
  • D. Kings River canyon
    Kings River canyon is a dramatic, steep-walled river gorge in California’s southern Sierra Nevada, renowned for its rugged scenery and deep granite chasms within Sequoia and Kings Canyon National Parks.
  • E. American River canyon
    The American River canyon is a scenic, steep-walled gorge in California known for its rugged landscapes, recreational opportunities, and historical significance from the Gold Rush era.
  • 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: Colorado River canyon
Triple: [Moffat Tunnel route, passesThrough, Colorado River canyon]
Generated description
Colorado River canyon is a scenic gorge carved by the Colorado River in the Rocky Mountains of Colorado, known for its dramatic cliffs and key role as a transportation corridor.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69bd44384298819089c49e7c330ec7b8 elicitation completed
NER batch_69bd73bb069c8190af86f1b2f95f3d95 ner completed
NED1 batch_69be9c79265081908512b39cc74161f8 ned_source_triple completed
NED2 batch_69be9dea9de48190805b1e3527b47a00 ned_description completed
NEDg batch_69be9d517df88190bcd682badaca96c8 nedg completed
Created at: March 20, 2026, 1:37 p.m.