Triple

T3083148
Position Surface form Disambiguated ID Type / Status
Subject New Melones Dam E64304 entity
Predicate impounds P32296 FINISHED
Object New Melones Lake
New Melones Lake is a large reservoir in California’s Sierra Nevada foothills, popular for boating, fishing, and camping as part of the New Melones recreation area.
 E64304 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: [New Melones Dam, impounds, New Melones Lake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New Melones Lake
Context triple: [New Melones Dam, impounds, 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. 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.
  • C. Yuba Reservoir
    Yuba Reservoir is a man-made lake in central Utah popular for boating, fishing, and camping.
  • D. Pepacton Reservoir
    Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
  • E. Folsom Lake
    Folsom Lake is a large man-made reservoir in Northern California known for recreation, water storage, and flood control near the Sacramento area.
  • 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: [New Melones Dam, impounds, New Melones Lake]
Generated description
New Melones Lake is a large reservoir in California’s Sierra Nevada foothills, popular for boating, fishing, and camping as part of the New Melones recreation area.
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 reservoir in California’s Sierra Nevada foothills, popular for boating, fishing, and camping as part of the New Melones recreation area.
  • A. New Melones Dam chosen
    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. 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.
  • C. Yuba Reservoir
    Yuba Reservoir is a man-made lake in central Utah popular for boating, fishing, and camping.
  • D. Pepacton Reservoir
    Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
  • E. Folsom Lake
    Folsom Lake is a large man-made reservoir in Northern California known for recreation, water storage, and flood control near the Sacramento area.
  • 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_69ad857bb4c88190a4cf27893fcabed8 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada1e877008190aacbd6f1357bdb9b completed March 8, 2026, 4:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69b1f89847e48190b82849701e119758 completed March 11, 2026, 11:19 p.m.
NEDg Description generation batch_69b1f9608e88819098f4044e54e0d908 completed March 11, 2026, 11:23 p.m.
NED2 Entity disambiguation (via description) batch_69b1fe3c8f408190988e7c7e3a51057e completed March 11, 2026, 11:43 p.m.
Created at: March 8, 2026, 3:03 p.m.