Triple

T5487162
Position Surface form Disambiguated ID Type / Status
Subject Truckee River Operating Agreement E123610 entity
Predicate affects P9 FINISHED
Object Boca Reservoir
Boca 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.
 E525218 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: Boca Reservoir | Statement: [Truckee River Operating Agreement, affects, Boca Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boca Reservoir
Context triple: [Truckee River Operating Agreement, affects, Boca Reservoir]
  • A. El Pardo Reservoir
    El Pardo Reservoir is a dammed water body near Madrid, Spain, primarily used for water supply, flood control, and recreation along the Manzanares River.
  • B. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • C. Otis Reservoir
    Otis Reservoir is a large recreational lake in western Massachusetts known for boating, fishing, and lakeside vacation homes.
  • D. Vasona Reservoir
    Vasona Reservoir is a man-made lake in Los Gatos, California, popular for recreation such as boating, fishing, and picnicking within Vasona Lake County Park.
  • E. Trinidad Reservoir
    Trinidad Reservoir is a man-made lake in southern Colorado that serves as the central recreational and scenic feature of Trinidad Lake State Park.
  • 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: Boca Reservoir
Triple: [Truckee River Operating Agreement, affects, Boca Reservoir]
Generated description
Boca 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: Boca Reservoir
Target entity description: Boca 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. El Pardo Reservoir
    El Pardo Reservoir is a dammed water body near Madrid, Spain, primarily used for water supply, flood control, and recreation along the Manzanares River.
  • B. Don Pedro Reservoir
    Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
  • C. Otis Reservoir
    Otis Reservoir is a large recreational lake in western Massachusetts known for boating, fishing, and lakeside vacation homes.
  • D. Vasona Reservoir
    Vasona Reservoir is a man-made lake in Los Gatos, California, popular for recreation such as boating, fishing, and picnicking within Vasona Lake County Park.
  • E. Trinidad Reservoir
    Trinidad Reservoir is a man-made lake in southern Colorado that serves as the central recreational and scenic feature of Trinidad Lake State Park.
  • 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_69bf88e60d9c81909c735c6691ffc65f completed March 22, 2026, 6:15 a.m.
NEDg Description generation batch_69bf893b2e548190b25acf4a6f0345d0 completed March 22, 2026, 6:16 a.m.
NED2 Entity disambiguation (via description) batch_69bf8985575c8190ab53886099789cab completed March 22, 2026, 6:17 a.m.
Created at: March 20, 2026, 2:10 p.m.