Triple

T12924672
Position Surface form Disambiguated ID Type / Status
Subject Lewiston Pump-Generating Plant E309212 entity
Predicate usesReservoir P107038 FINISHED
Object Lewiston Reservoir E1070045 NE FINISHED

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: Lewiston Reservoir | Statement: [Lewiston Pump-Generating Plant, usesReservoir, Lewiston Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lewiston Reservoir
Context triple: [Lewiston Pump-Generating Plant, usesReservoir, Lewiston Reservoir]
  • A. Lewiston Reservoir chosen
    Lewiston Reservoir is a man-made water storage basin in New York that supports hydroelectric power generation and water regulation for the Niagara Power Project.
  • B. Lusk Reservoir
    Lusk Reservoir is a scenic man-made lake on the grounds of the United States Military Academy at West Point, often noted for its picturesque setting near the campus athletic facilities.
  • C. Lockwood Reservoir
    Lockwood Reservoir is a large man-made water storage lake in the Lee Valley in North London, used primarily for public water supply and recreation.
  • D. R. L. Harris Reservoir
    R. L. Harris Reservoir is a man-made lake in east-central Alabama popular for fishing, boating, and other recreational activities.
  • E. Wilson Reservoir
    Wilson Reservoir is a man-made lake in Burrillville, Rhode Island, used primarily for water supply and recreational activities such as fishing and boating.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: usesReservoir
Context triple: [Lewiston Pump-Generating Plant, usesReservoir, Lewiston Reservoir]
  • A. isReservoir
    Indicates that one entity functions as a storage or holding container (often for fluids or resources) for another entity.
  • B. includesReservoir
    Indicates that one entity contains or encompasses a reservoir as part of its structure, system, or area.
  • C. reservoir
    Indicates that one entity serves as a storage or containment source (often for a resource) that can supply or affect another entity.
  • D. isReservoirOn
    Indicates that a reservoir is physically located on or situated atop another specified entity or structure.
  • E. reservoirAlsoKnownAs
    Indicates that a reservoir is referred to by an alternative name or alias.
  • 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_69d7bdfa933c8190b5a27aa4a08a19b7 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d971e9576c81908eb59569af6da877 completed April 10, 2026, 9:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69fba1af38248190a85d0fa3a26c3d08 completed May 6, 2026, 8:16 p.m.
PD Predicate disambiguation batch_69d96fab4d0881909a7a4d66bab9aa85 completed April 10, 2026, 9:46 p.m.
PDg Predicate description generation batch_69d970f6f5748190ad35aff801db53d5 completed April 10, 2026, 9:51 p.m.
Created at: April 9, 2026, 5:42 p.m.