Triple

T19286895
Position Surface form Disambiguated ID Type / Status
Subject South Fork Feather River E482336 entity
Predicate hasReservoir P1025 FINISHED
Object Little Grass Valley Reservoir
Little Grass Valley Reservoir is a man-made lake in the Sierra Nevada of Northern California, popular for camping, fishing, and other outdoor recreation.
 E1369294 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 Reservoir | Statement: [South Fork Feather River, hasReservoir, Little Grass Valley Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Little Grass Valley Reservoir
Context triple: [South Fork Feather River, hasReservoir, Little Grass Valley Reservoir]
  • A. Eagle Valley Reservoir
    Eagle Valley Reservoir is a man-made lake in eastern Nevada popular for fishing, boating, and camping within Spring Valley State Park.
  • B. Two Buttes Reservoir
    Two Buttes Reservoir is a man-made lake in southeastern Colorado known for irrigation storage, fishing, and outdoor recreation.
  • C. Bear Gulch Reservoir
    Bear Gulch Reservoir is a small man-made lake in Pinnacles National Park, California, known for its scenic setting amid volcanic rock formations and proximity to popular hiking and cave trails.
  • D. Round Valley Reservoir
    Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
  • E. Willow Creek Reservoir
    Willow Creek Reservoir is a man-made lake in northeastern Oregon that provides water storage, recreation, and flood control for the Heppner 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: Little Grass Valley Reservoir
Triple: [South Fork Feather River, hasReservoir, Little Grass Valley Reservoir]
Generated description
Little Grass Valley Reservoir is a man-made lake in the Sierra Nevada of Northern California, popular for camping, fishing, and other outdoor recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Little Grass Valley Reservoir
Target entity description: Little Grass Valley Reservoir is a man-made lake in the Sierra Nevada of Northern California, popular for camping, fishing, and other outdoor recreation.
  • A. Eagle Valley Reservoir
    Eagle Valley Reservoir is a man-made lake in eastern Nevada popular for fishing, boating, and camping within Spring Valley State Park.
  • B. Two Buttes Reservoir
    Two Buttes Reservoir is a man-made lake in southeastern Colorado known for irrigation storage, fishing, and outdoor recreation.
  • C. Bear Gulch Reservoir
    Bear Gulch Reservoir is a small man-made lake in Pinnacles National Park, California, known for its scenic setting amid volcanic rock formations and proximity to popular hiking and cave trails.
  • D. Round Valley Reservoir
    Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
  • E. Willow Creek Reservoir
    Willow Creek Reservoir is a man-made lake in northeastern Oregon that provides water storage, recreation, and flood control for the Heppner area.
  • 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_6a07144d5ab48190a04d6974262f0e3f completed May 15, 2026, 12:40 p.m.
NEDg Description generation batch_6a0715514bac8190aafb36b96d4b167d completed May 15, 2026, 12:45 p.m.
NED2 Entity disambiguation (via description) batch_6a07163cb15881908435e7d2fa68b06e completed May 15, 2026, 12:49 p.m.
Created at: April 10, 2026, 1:30 p.m.