Triple

T23158029
Position Surface form Disambiguated ID Type / Status
Subject East Weare Village (submerged by Everett Dam) E578499 entity
Predicate locatedWithin P40 FINISHED
Object Everett Lake flood control area 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: Everett Lake flood control area | Statement: [East Weare Village (submerged by Everett Dam), locatedWithin, Everett Lake flood control area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Everett Lake flood control area
Context triple: [East Weare Village (submerged by Everett Dam), locatedWithin, Everett Lake flood control area]
  • A. Pittock Reservoir
    Pittock Reservoir is a man-made lake in southwestern Ontario, Canada, used for flood control, recreation, and wildlife habitat within the Pittock Conservation Area.
  • B. Cle Elum Dam
    Cle Elum Dam is a U.S. Bureau of Reclamation earthfill dam on the Cle Elum River in Washington State that provides irrigation water storage, flood control, and recreation as part of the larger Yakima River basin system.
  • 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. O’Neill Forebay
    O’Neill Forebay is a regulating reservoir in California’s San Joaquin Valley that helps manage water storage and delivery for the larger San Luis Reservoir system.
  • E. Searsville Lake
    Searsville Lake is a reservoir in San Mateo County, California, created by Searsville Dam and now used primarily for ecological research and habitat within Stanford University's Jasper Ridge Biological Preserve.
  • 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: Everett Lake flood control area
Target entity description: Everett Lake flood control area is a managed reservoir and surrounding land in New Hampshire created for flood control, which inundated the former East Weare Village.
  • A. Pittock Reservoir
    Pittock Reservoir is a man-made lake in southwestern Ontario, Canada, used for flood control, recreation, and wildlife habitat within the Pittock Conservation Area.
  • B. Cle Elum Dam
    Cle Elum Dam is a U.S. Bureau of Reclamation earthfill dam on the Cle Elum River in Washington State that provides irrigation water storage, flood control, and recreation as part of the larger Yakima River basin system.
  • 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. O’Neill Forebay
    O’Neill Forebay is a regulating reservoir in California’s San Joaquin Valley that helps manage water storage and delivery for the larger San Luis Reservoir system.
  • E. Searsville Lake
    Searsville Lake is a reservoir in San Mateo County, California, created by Searsville Dam and now used primarily for ecological research and habitat within Stanford University's Jasper Ridge Biological Preserve.
  • 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_69e245fb8de081908f0eba7b5fd75bc4 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f18efeddd48190b6d03d2146583dcc completed April 29, 2026, 4:54 a.m.
Created at: April 17, 2026, 4:01 p.m.