Triple

T20097375
Position Surface form Disambiguated ID Type / Status
Subject Slab Creek Dam E496436 entity
Predicate partOf P40 FINISHED
Object South Fork American River hydroelectric system
The South Fork American River hydroelectric system is a network of dams, reservoirs, and power plants on California’s South Fork American River that generates hydroelectric power and supports regional water management.
E1412090 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: South Fork American River hydroelectric system | Statement: [Slab Creek Dam, partOf, South Fork American River hydroelectric system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Fork American River hydroelectric system
Context triple: [Slab Creek Dam, partOf, South Fork American River hydroelectric system]
  • A. Pit River hydroelectric system
    The Pit River hydroelectric system is a network of dams, reservoirs, and power plants on California’s Pit River that generates hydroelectric power for the region.
  • B. Shasta–Keswick hydroelectric system
    The Shasta–Keswick hydroelectric system is a network of dams, reservoirs, and power plants on the upper Sacramento River in California that generates hydroelectric power and regulates water flow for flood control and irrigation.
  • C. Oroville–Thermalito hydroelectric complex
    The Oroville–Thermalito hydroelectric complex is a major water management and power generation system in California centered on Oroville Dam, incorporating reservoirs, powerplants, and canals for flood control, irrigation, and electricity production.
  • D. Mokelumne River Project (PG&E hydroelectric system)
    The Mokelumne River Project is a Pacific Gas and Electric Company hydroelectric system that harnesses the Mokelumne River through dams, reservoirs, and powerhouses to generate electricity and provide water storage in California.
  • E. Yuba Dam
    Yuba Dam is a water-control structure in Utah that impounds the Sevier River to form Yuba Reservoir for irrigation, recreation, and flood management.
  • 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: South Fork American River hydroelectric system
Triple: [Slab Creek Dam, partOf, South Fork American River hydroelectric system]
Generated description
The South Fork American River hydroelectric system is a network of dams, reservoirs, and power plants on California’s South Fork American River that generates hydroelectric power and supports regional water management.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Fork American River hydroelectric system
Target entity description: The South Fork American River hydroelectric system is a network of dams, reservoirs, and power plants on California’s South Fork American River that generates hydroelectric power and supports regional water management.
  • A. Pit River hydroelectric system
    The Pit River hydroelectric system is a network of dams, reservoirs, and power plants on California’s Pit River that generates hydroelectric power for the region.
  • B. Shasta–Keswick hydroelectric system
    The Shasta–Keswick hydroelectric system is a network of dams, reservoirs, and power plants on the upper Sacramento River in California that generates hydroelectric power and regulates water flow for flood control and irrigation.
  • C. Oroville–Thermalito hydroelectric complex
    The Oroville–Thermalito hydroelectric complex is a major water management and power generation system in California centered on Oroville Dam, incorporating reservoirs, powerplants, and canals for flood control, irrigation, and electricity production.
  • D. Mokelumne River Project (PG&E hydroelectric system)
    The Mokelumne River Project is a Pacific Gas and Electric Company hydroelectric system that harnesses the Mokelumne River through dams, reservoirs, and powerhouses to generate electricity and provide water storage in California.
  • E. Yuba Dam
    Yuba Dam is a water-control structure in Utah that impounds the Sevier River to form Yuba Reservoir for irrigation, recreation, and flood management.
  • 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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6666d83448190b3ade3f5b855e820 completed April 20, 2026, 5:46 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08270cb3f48190b57901cc591cca63 completed May 16, 2026, 8:13 a.m.
NEDg Description generation batch_6a0828850638819091e0b27899ac8e72 completed May 16, 2026, 8:19 a.m.
NED2 Entity disambiguation (via description) batch_6a08291b29408190ba4eb008e0a34fe6 completed May 16, 2026, 8:21 a.m.
Created at: April 11, 2026, 11:25 p.m.