Triple

T19286897
Position Surface form Disambiguated ID Type / Status
Subject South Fork Feather River E482336 entity
Predicate hasReservoir P1025 FINISHED
Object Lost Creek Reservoir
Lost Creek Reservoir is a man-made lake in California used primarily for water storage, hydroelectric power generation, and recreation.
 E1377639 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: Lost Creek Reservoir | Statement: [South Fork Feather River, hasReservoir, Lost Creek Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lost Creek Reservoir
Context triple: [South Fork Feather River, hasReservoir, Lost Creek Reservoir]
  • A. Squaw Creek Reservoir
    Squaw Creek Reservoir is a man-made lake in Texas primarily known for serving as the cooling water source for the Comanche Peak Nuclear Power Plant.
  • B. 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.
  • C. Slab Creek Reservoir
    Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
  • D. Banner Creek Reservoir
    Banner Creek Reservoir is a man-made lake and recreational area in northeastern Kansas known for fishing, boating, camping, and wildlife habitat.
  • E. Clear Creek Reservoir
    Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
  • 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: Lost Creek Reservoir
Triple: [South Fork Feather River, hasReservoir, Lost Creek Reservoir]
Generated description
Lost Creek Reservoir is a man-made lake in California used primarily for water storage, hydroelectric power generation, and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lost Creek Reservoir
Target entity description: Lost Creek Reservoir is a man-made lake in California used primarily for water storage, hydroelectric power generation, and recreation.
  • A. Squaw Creek Reservoir
    Squaw Creek Reservoir is a man-made lake in Texas primarily known for serving as the cooling water source for the Comanche Peak Nuclear Power Plant.
  • B. 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.
  • C. Slab Creek Reservoir
    Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
  • D. Banner Creek Reservoir
    Banner Creek Reservoir is a man-made lake and recreational area in northeastern Kansas known for fishing, boating, camping, and wildlife habitat.
  • E. Clear Creek Reservoir
    Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
  • 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_6a073b1ab68081909fef8ddeb8e75a8b completed May 15, 2026, 3:26 p.m.
NEDg Description generation batch_6a073d1ac0cc8190bf59eeb18e4d7ff1 completed May 15, 2026, 3:34 p.m.
NED2 Entity disambiguation (via description) batch_6a073de0847c81909d34fc24b48e5f97 completed May 15, 2026, 3:38 p.m.
Created at: April 10, 2026, 1:30 p.m.