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.