Triple
T23131267
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hiwassee Dam |
E577173
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Tennessee Valley Authority power system |
E136
|
NE FINISHED |
How this triple was built (2 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 power system | Statement: [Hiwassee Dam, partOf, Tennessee Valley Authority power system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tennessee Valley Authority power system Context triple: [Hiwassee Dam, partOf, Tennessee Valley Authority power system]
-
A.
TVA reservoir system
The TVA reservoir system is an interconnected network of dams and lakes in the Tennessee Valley managed by the Tennessee Valley Authority for flood control, power generation, navigation, and recreation.
-
B.
Mississippi electric grid
The Mississippi electric grid is the network of power generation, transmission, and distribution infrastructure that delivers electricity across the state of Mississippi within the broader Southeastern U.S. grid.
-
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.
McArthur Falls Generating Station
McArthur Falls Generating Station is a hydroelectric power plant on the Winnipeg River in Manitoba, Canada, that generates electricity by harnessing the river’s flow.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e245f7b0e481909c473ff4e6a54e2c |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e87cd188190b466f7a4c9670e56 |
completed | April 29, 2026, 4:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0c23f7dccc8190aaba967e73cc6892 |
completed | May 19, 2026, 8:48 a.m. |
Created at: April 17, 2026, 4 p.m.