Triple

T18922075
Position Surface form Disambiguated ID Type / Status
Subject California–Arizona border E462881 entity
Predicate hasReservoir P1025 FINISHED
Object Parker Reservoir — NE NERFINISHED

How this triple was built (3 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: Parker Reservoir | Statement: [California–Arizona border, hasReservoir, Parker Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Parker Reservoir
Context triple: [California–Arizona border, hasReservoir, Parker Reservoir]
  • A. Patterson Reservoir
    Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
  • B. Pathfinder Reservoir
    Pathfinder Reservoir is a large man-made lake in Wyoming, created by Pathfinder Dam on the North Platte River, primarily used for irrigation, flood control, and recreation.
  • C. Pardee Reservoir
    Pardee Reservoir is a man-made lake in the Sierra Nevada foothills of California that serves as a major water storage and supply source for the East Bay region.
  • D. Roundout Reservoir
    Roundout Reservoir is a man-made lake in New York’s Catskill region that serves as a major component of the New York City water supply system.
  • E. Cannonsville Reservoir
    Cannonsville Reservoir is a major New York City water supply reservoir located in the western Catskill Mountains on the West Branch of the Delaware River.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Parker Reservoir
Target entity description: Parker Reservoir is a man-made lake on the Colorado River formed by Parker Dam, popular for boating, fishing, and recreation along the California–Arizona border.
  • A. Patterson Reservoir
    Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
  • B. Pathfinder Reservoir
    Pathfinder Reservoir is a large man-made lake in Wyoming, created by Pathfinder Dam on the North Platte River, primarily used for irrigation, flood control, and recreation.
  • C. Pardee Reservoir
    Pardee Reservoir is a man-made lake in the Sierra Nevada foothills of California that serves as a major water storage and supply source for the East Bay region.
  • D. Roundout Reservoir
    Roundout Reservoir is a man-made lake in New York’s Catskill region that serves as a major component of the New York City water supply system.
  • E. Cannonsville Reservoir
    Cannonsville Reservoir is a major New York City water supply reservoir located in the western Catskill Mountains on the West Branch of the Delaware River.
  • F. None of above. chosen

Provenance (2 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_69d8dcfdbbb881909964fa5a75bd0b48 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c9b4822c8190a0aeceb4499e775e completed April 20, 2026, 6:37 a.m.
Created at: April 10, 2026, 11:59 a.m.