Triple

T20494411
Position Surface form Disambiguated ID Type / Status
Subject KTRK E502831 entity
Predicate servesMetropolitanArea P82 FINISHED
Object Truckee–Tahoe area
The Truckee–Tahoe area is a mountain region spanning parts of California and Nevada, centered around the town of Truckee and Lake Tahoe, known for its outdoor recreation, ski resorts, and alpine scenery.
 E18242 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: Truckee–Tahoe area | Statement: [KTRK, servesMetropolitanArea, Truckee–Tahoe area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Truckee–Tahoe area
Context triple: [KTRK, servesMetropolitanArea, Truckee–Tahoe area]
  • A. Truckee Meadows
    Truckee Meadows is a high-desert valley in western Nevada that encompasses the Reno–Sparks metropolitan area along the Truckee River.
  • B. Truckee
    Truckee is a historic mountain town in California’s Sierra Nevada, known for its proximity to Lake Tahoe, outdoor recreation, and preserved Old West-style downtown.
  • C. Lake Tahoe–Reno tourism corridor
    The Lake Tahoe–Reno tourism corridor is a major recreational and travel region in the western United States that links the alpine resorts of Lake Tahoe with the casino, entertainment, and convention hub of Reno.
  • D. Lake Tahoe–Douglas County region
    The Lake Tahoe–Douglas County region is a scenic area in western Nevada encompassing communities along the southeastern shore of Lake Tahoe, known for outdoor recreation, tourism, and alpine landscapes.
  • E. Tahoe City
    Tahoe City is a small resort community in California known as a popular gateway to outdoor recreation and tourism on the shores of Lake Tahoe.
  • 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: Truckee–Tahoe area
Triple: [KTRK, servesMetropolitanArea, Truckee–Tahoe area]
Generated description
The Truckee–Tahoe area is a mountain region spanning parts of California and Nevada, centered around the town of Truckee and Lake Tahoe, known for its outdoor recreation, ski resorts, and alpine scenery.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Truckee–Tahoe area
Target entity description: The Truckee–Tahoe area is a mountain region spanning parts of California and Nevada, centered around the town of Truckee and Lake Tahoe, known for its outdoor recreation, ski resorts, and alpine scenery.
  • A. Truckee Meadows
    Truckee Meadows is a high-desert valley in western Nevada that encompasses the Reno–Sparks metropolitan area along the Truckee River.
  • B. Truckee chosen
    Truckee is a historic mountain town in California’s Sierra Nevada, known for its proximity to Lake Tahoe, outdoor recreation, and preserved Old West-style downtown.
  • C. Lake Tahoe–Reno tourism corridor
    The Lake Tahoe–Reno tourism corridor is a major recreational and travel region in the western United States that links the alpine resorts of Lake Tahoe with the casino, entertainment, and convention hub of Reno.
  • D. Lake Tahoe–Douglas County region
    The Lake Tahoe–Douglas County region is a scenic area in western Nevada encompassing communities along the southeastern shore of Lake Tahoe, known for outdoor recreation, tourism, and alpine landscapes.
  • E. Tahoe City
    Tahoe City is a small resort community in California known as a popular gateway to outdoor recreation and tourism on the shores of Lake Tahoe.
  • 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_69e0b4b0373881909dd3e9387f82eab4 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e69cbc58d08190bf3f6b60259a8be1 completed April 20, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08b3d832a081909ec4036a5d81d259 completed May 16, 2026, 6:13 p.m.
NEDg Description generation batch_6a08b4654cd48190bbde86df2877d058 completed May 16, 2026, 6:16 p.m.
NED2 Entity disambiguation (via description) batch_6a08b4cb2fc081909ef18cb0408ac76d completed May 16, 2026, 6:17 p.m.
Created at: April 16, 2026, 11:35 a.m.