Triple

T7822430
Position Surface form Disambiguated ID Type / Status
Subject Sierra Nevada river system E181162 entity
Predicate feedsReservoir P67057 FINISHED
Object New Melones Lake
New Melones Lake is a large man-made reservoir in California’s Sierra Nevada foothills, popular for recreation and water storage as part of the Central Valley Project.
 E703542 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: New Melones Lake | Statement: [Sierra Nevada river system, feedsReservoir, New Melones Lake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New Melones Lake
Context triple: [Sierra Nevada river system, feedsReservoir, New Melones Lake]
  • A. New Melones Dam
    New Melones Dam is a large multipurpose reservoir and hydroelectric facility on the Stanislaus River in California, providing water storage, flood control, and power generation.
  • B. Calaveras Reservoir
    Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
  • C. Merced Lake
    Merced Lake is a high-country lake in Yosemite National Park, known as a scenic backcountry destination along the Merced River and a popular stop for backpackers.
  • D. Pardee Reservoir
    Pardee Reservoir is a man-made lake in the Sierra Nevada foothills of California that serves as a major water storage and supply source for the East Bay region.
  • E. Yuba Reservoir
    Yuba Reservoir is a man-made lake in central Utah popular for boating, fishing, and camping.
  • 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: New Melones Lake
Triple: [Sierra Nevada river system, feedsReservoir, New Melones Lake]
Generated description
New Melones Lake is a large man-made reservoir in California’s Sierra Nevada foothills, popular for recreation and water storage as part of the Central Valley Project.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: New Melones Lake
Target entity description: New Melones Lake is a large man-made reservoir in California’s Sierra Nevada foothills, popular for recreation and water storage as part of the Central Valley Project.
  • A. New Melones Dam
    New Melones Dam is a large multipurpose reservoir and hydroelectric facility on the Stanislaus River in California, providing water storage, flood control, and power generation.
  • B. Calaveras Reservoir
    Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
  • C. Merced Lake
    Merced Lake is a high-country lake in Yosemite National Park, known as a scenic backcountry destination along the Merced River and a popular stop for backpackers.
  • D. Pardee Reservoir
    Pardee Reservoir is a man-made lake in the Sierra Nevada foothills of California that serves as a major water storage and supply source for the East Bay region.
  • E. Yuba Reservoir
    Yuba Reservoir is a man-made lake in central Utah popular for boating, fishing, and camping.
  • 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_69ca828153f48190bdb27ac46f8e0745 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cafa095d7081908b3e492ce58b5d5f completed March 30, 2026, 10:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69cbdee0fddc819086a5736f1a709865 completed March 31, 2026, 2:49 p.m.
NEDg Description generation batch_69cbe4cf113481908877091f21607978 completed March 31, 2026, 3:14 p.m.
NED2 Entity disambiguation (via description) batch_69cc33163ac8819090ec53058a78ef13 completed March 31, 2026, 8:48 p.m.
Created at: March 30, 2026, 4:41 p.m.