Triple
T13264917
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Norris Lake |
E315892
|
entity |
| Predicate | createdFor |
P7551
|
FINISHED |
| Object | Tennessee Valley Authority 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 system | Statement: [Norris Lake, createdFor, Tennessee Valley Authority system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tennessee Valley Authority system Context triple: [Norris Lake, createdFor, Tennessee Valley Authority system]
-
A.
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.
-
B.
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.
-
C.
Tennessee River navigation system
The Tennessee River navigation system is an integrated network of dams, locks, and reservoirs managed primarily by the Tennessee Valley Authority to enable commercial navigation, flood control, and hydroelectric power generation along the Tennessee River.
-
D.
Tellico Dam project
The Tellico Dam project was a controversial Tennessee Valley Authority initiative on the Little Tennessee River, widely known for its environmental and cultural impacts, including the flooding of historic Cherokee sites and a landmark legal battle over the endangered snail darter.
-
E.
Yazoo Backwater Project
The Yazoo Backwater Project is a long-debated U.S. Army Corps of Engineers flood-control initiative in Mississippi’s Yazoo River basin, best known for its controversial proposed pumping station and its environmental and political disputes.
- 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_69d806b1d9ac8190852c5571d5bd5f0f |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d9901c65048190bd8b3c4872f22520 |
completed | April 11, 2026, 12:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f71f1a305081908bd2be2f5276c91f |
completed | May 3, 2026, 10:10 a.m. |
Created at: April 9, 2026, 9:25 p.m.