Triple
T16926236
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southeastern United States electric grid |
E410579
|
entity |
| Predicate | hasMajorHydroSystem |
P124776
|
FINISHED |
| Object | Tennessee Valley Authority hydroelectric system |
E136
|
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: Tennessee Valley Authority hydroelectric system | Statement: [Southeastern United States electric grid, hasMajorHydroSystem, Tennessee Valley Authority hydroelectric system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tennessee Valley Authority hydroelectric system Context triple: [Southeastern United States electric grid, hasMajorHydroSystem, Tennessee Valley Authority hydroelectric system]
-
A.
Tennessee Valley Authority Norris Dam project
The Tennessee Valley Authority Norris Dam project was a major New Deal-era hydroelectric and flood-control initiative on the Clinch River in Tennessee that created Norris Dam, Norris Lake, and surrounding recreational and conservation areas.
-
B.
Savannah River hydropower system
The Savannah River hydropower system is a network of dams and related infrastructure on the Savannah River that generates hydroelectric power while supporting flood control, navigation, and water supply in the surrounding region.
-
C.
Tennessee Valley Authority
chosen
The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
-
D.
Santee Cooper hydropower project
The Santee Cooper hydropower project is a large New Deal–era public works development in South Carolina that created lakes and dams to generate hydroelectric power and support regional economic growth.
-
E.
Watts Bar Dam
Watts Bar Dam is a Tennessee Valley Authority hydroelectric and navigation dam on the Tennessee River in eastern Tennessee.
- 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: hasMajorHydroSystem Context triple: [Southeastern United States electric grid, hasMajorHydroSystem, Tennessee Valley Authority hydroelectric system]
-
A.
hasMajorRiverSystem
Indicates that an entity possesses or is traversed by a primary, large-scale river network that significantly characterizes its hydrology or geography.
-
B.
hasHydrologicalRegime
Indicates that one entity (typically a water body or hydrological system) is characterized by, or associated with, a particular pattern or regime of water flow and levels over time.
-
C.
hasMajorReservoir
Indicates that an entity possesses or is associated with a primary or significant reservoir (such as a large storage or accumulation of a resource).
-
D.
hasMajorCityOnBasin
Indicates that a major city is located on or within the drainage basin of a specified water system.
-
E.
hasMajorLake
Indicates that a geographic region or area contains at least one significant lake within its boundaries.
- 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_69d886c7b1e481908c3766dfa8c13458 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3cdf2dcd881909798bd245e18c599 |
completed | April 18, 2026, 6:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfd8a88c8190adda386b62fe543c |
completed | May 10, 2026, 6:35 p.m. |
| PD | Predicate disambiguation | batch_69e32b982f548190b08414d55810de19 |
completed | April 18, 2026, 6:58 a.m. |
| PDg | Predicate description generation | batch_69e32d7aae948190bc238d765795688c |
completed | April 18, 2026, 7:06 a.m. |
Created at: April 10, 2026, 5:30 a.m.