Triple

T19286893
Position Surface form Disambiguated ID Type / Status
Subject South Fork Feather River E482336 entity
Predicate hasDam P8736 FINISHED
Object Sly Creek Dam — NE NERFINISHED

How this triple was built (3 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: Sly Creek Dam | Statement: [South Fork Feather River, hasDam, Sly Creek Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sly Creek Dam
Context triple: [South Fork Feather River, hasDam, Sly Creek Dam]
  • A. Alum Creek Dam
    Alum Creek Dam is an earthen flood-control structure in central Ohio whose reservoir forms the centerpiece of Alum Creek State Park, providing water-based recreation and regional water management.
  • B. Tiger Creek Dam
    Tiger Creek Dam is a hydroelectric dam on California's Mokelumne River that forms part of the region's water storage and power generation system.
  • C. Hills Creek Dam
    Hills Creek Dam is a U.S. Army Corps of Engineers earthfill dam on the Middle Fork Willamette River in Oregon, built for flood control, hydroelectric power, and recreation.
  • D. Slab Creek Dam
    Slab Creek Dam is a concrete gravity dam on the South Fork American River in El Dorado County, California, forming Slab Creek Reservoir as part of regional hydroelectric and water management operations.
  • E. Deer Creek Dam
    Deer Creek Dam is a major earthfill dam in Utah that creates Deer Creek Reservoir, providing water storage, irrigation, and recreation for the surrounding region.
  • 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: Sly Creek Dam
Target entity description: Sly Creek Dam is a concrete dam in California that forms Sly Creek Reservoir on the South Fork of the Feather River, providing water storage, hydroelectric power, and recreational opportunities.
  • A. Alum Creek Dam
    Alum Creek Dam is an earthen flood-control structure in central Ohio whose reservoir forms the centerpiece of Alum Creek State Park, providing water-based recreation and regional water management.
  • B. Tiger Creek Dam
    Tiger Creek Dam is a hydroelectric dam on California's Mokelumne River that forms part of the region's water storage and power generation system.
  • C. Hills Creek Dam
    Hills Creek Dam is a U.S. Army Corps of Engineers earthfill dam on the Middle Fork Willamette River in Oregon, built for flood control, hydroelectric power, and recreation.
  • D. Slab Creek Dam
    Slab Creek Dam is a concrete gravity dam on the South Fork American River in El Dorado County, California, forming Slab Creek Reservoir as part of regional hydroelectric and water management operations.
  • E. Deer Creek Dam
    Deer Creek Dam is a major earthfill dam in Utah that creates Deer Creek Reservoir, providing water storage, irrigation, and recreation for the surrounding region.
  • F. None of above. chosen

Provenance (2 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_69d8e8cf61b0819096fe3e4107827c4e completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fc032f108190a89e47d1458f3f55 completed April 20, 2026, 10:12 a.m.
Created at: April 10, 2026, 1:30 p.m.