Triple

T5487164
Position Surface form Disambiguated ID Type / Status
Subject Truckee River Operating Agreement E123610 entity
Predicate affects P9 FINISHED
Object Prosser Creek Reservoir
Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
E525492 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: Prosser Creek Reservoir | Statement: [Truckee River Operating Agreement, affects, Prosser Creek Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Prosser Creek Reservoir
Context triple: [Truckee River Operating Agreement, affects, Prosser Creek Reservoir]
  • A. Hills Creek Reservoir
    Hills Creek Reservoir is a man-made lake in Oregon’s Cascade Range, popular for fishing, boating, and camping within the Willamette National Forest.
  • B. 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.
  • 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. 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.
  • E. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • 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: Prosser Creek Reservoir
Triple: [Truckee River Operating Agreement, affects, Prosser Creek Reservoir]
Generated description
Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Prosser Creek Reservoir
Target entity description: Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
  • A. Hills Creek Reservoir
    Hills Creek Reservoir is a man-made lake in Oregon’s Cascade Range, popular for fishing, boating, and camping within the Willamette National Forest.
  • B. 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.
  • 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. 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.
  • E. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • 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_69bd464a2d908190869324ce176779c8 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd92639b3481908845c280d334117f completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf91f16c9c819088e7671ccf006189 completed March 22, 2026, 6:53 a.m.
NEDg Description generation batch_69bf922e1d6081909f8013b72f38fdb4 completed March 22, 2026, 6:54 a.m.
NED2 Entity disambiguation (via description) batch_69bf925e809881908491e446eea76a07 completed March 22, 2026, 6:55 a.m.
Created at: March 20, 2026, 2:10 p.m.