Triple

T19286892
Position Surface form Disambiguated ID Type / Status
Subject South Fork Feather River E482336 entity
Predicate hasDam P8736 FINISHED
Object Little Grass Valley Dam
Little Grass Valley Dam is an earthfill dam in Plumas County, California, that creates Little Grass Valley Reservoir on the upper South Fork of the Feather River for water storage, hydroelectric power, and recreation.
E1367785 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: Little Grass Valley Dam | Statement: [South Fork Feather River, hasDam, Little Grass Valley Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Little Grass Valley Dam
Context triple: [South Fork Feather River, hasDam, Little Grass Valley Dam]
  • A. Mormon Flat Dam
    Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
  • B. Scotts Peak Dam
    Scotts Peak Dam is a major hydroelectric dam in southwest Tasmania, Australia, forming part of the Gordon River power scheme and providing access to the remote Southwest National Park wilderness.
  • C. Cherry Creek Dam
    Cherry Creek Dam is an earth-fill flood control dam in Colorado that forms Cherry Creek Reservoir, a popular recreation area near Denver.
  • D. Anderson Ranch Dam
    Anderson Ranch Dam is a large concrete arch dam in southwestern Idaho that creates Anderson Ranch Reservoir and provides hydroelectric power, irrigation storage, and flood control on the Boise River.
  • E. Round Butte Dam
    Round Butte Dam is a hydroelectric dam on the Deschutes River in Oregon, known for creating Lake Billy Chinook and forming part of the Pelton Round Butte Project.
  • 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: Little Grass Valley Dam
Triple: [South Fork Feather River, hasDam, Little Grass Valley Dam]
Generated description
Little Grass Valley Dam is an earthfill dam in Plumas County, California, that creates Little Grass Valley Reservoir on the upper South Fork of the Feather River for water storage, hydroelectric power, and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Little Grass Valley Dam
Target entity description: Little Grass Valley Dam is an earthfill dam in Plumas County, California, that creates Little Grass Valley Reservoir on the upper South Fork of the Feather River for water storage, hydroelectric power, and recreation.
  • A. Mormon Flat Dam
    Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
  • B. Scotts Peak Dam
    Scotts Peak Dam is a major hydroelectric dam in southwest Tasmania, Australia, forming part of the Gordon River power scheme and providing access to the remote Southwest National Park wilderness.
  • C. Cherry Creek Dam
    Cherry Creek Dam is an earth-fill flood control dam in Colorado that forms Cherry Creek Reservoir, a popular recreation area near Denver.
  • D. Anderson Ranch Dam
    Anderson Ranch Dam is a large concrete arch dam in southwestern Idaho that creates Anderson Ranch Reservoir and provides hydroelectric power, irrigation storage, and flood control on the Boise River.
  • E. Round Butte Dam
    Round Butte Dam is a hydroelectric dam on the Deschutes River in Oregon, known for creating Lake Billy Chinook and forming part of the Pelton Round Butte Project.
  • 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_69d8e8cf61b0819096fe3e4107827c4e completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fc032f108190a89e47d1458f3f55 completed April 20, 2026, 10:12 a.m.
NED1 Entity disambiguation (via context triple) batch_6a070e80d5b08190b304a874dac3d21d completed May 15, 2026, 12:16 p.m.
NEDg Description generation batch_6a070ef513888190b8c9f8c2de36f234 completed May 15, 2026, 12:17 p.m.
NED2 Entity disambiguation (via description) batch_6a070fe766d081909453b1f8563817e8 completed May 15, 2026, 12:21 p.m.
Created at: April 10, 2026, 1:30 p.m.