Triple

T20960105
Position Surface form Disambiguated ID Type / Status
Subject Merwin Dam E516215 entity
Predicate FERCProject P15311 FINISHED
Object Lewis River Project 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: Lewis River Project | Statement: [Merwin Dam, FERCProject, Lewis River Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lewis River Project
Context triple: [Merwin Dam, FERCProject, Lewis River Project]
  • A. Mokelumne River Project
    The Mokelumne River Project is a hydroelectric and water supply system on California’s Mokelumne River that includes dams, reservoirs, powerhouses, and associated facilities supporting regional water and energy needs.
  • B. Deschutes Project
    The Deschutes Project is a U.S. Bureau of Reclamation irrigation and water management development in central Oregon that supplies water for agriculture, municipalities, and wildlife habitat along the Deschutes River basin.
  • C. Cowlitz River Project
    The Cowlitz River Project is a hydroelectric and flood-control development on Washington’s Cowlitz River that includes multiple dams, reservoirs, and related facilities.
  • D. Lewis River hydroelectric system chosen
    The Lewis River hydroelectric system is a network of dams and power-generating facilities on Washington’s Lewis River that provides hydroelectric power, flood control, and recreational opportunities.
  • E. Columbia Basin Project
    The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
  • 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: FERCProject
Context triple: [Merwin Dam, FERCProject, Lewis River Project]
  • A. isHydroelectricProjectOn
    Indicates that a hydroelectric project is located on or situated along a specified water body or site.
  • B. hasHydroelectricProject chosen
    Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
  • C. hasHydropowerRoleIn
    Indicates that an entity plays a specific role or function related to hydropower within the context of another entity, project, or activity.
  • D. hydroelectricStationCommissioned
    Indicates that a hydroelectric power station has been officially brought into operation or service on a specific date or in a specific context.
  • E. riverRegulation
    Indicates the management or control of a river’s flow, level, or course through human interventions such as dams, channels, or other regulatory measures.
  • F. None of above.

Provenance (3 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_69e0b4fde6c48190af1398e7e734629e completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6fb6e50988190a564d2aaf1a9bc54 completed April 21, 2026, 4:22 a.m.
PD Predicate disambiguation batch_69e5c9b1bae48190a845165fed1b005e completed April 20, 2026, 6:37 a.m.
Created at: April 16, 2026, 1:30 p.m.