Triple

T22220182
Position Surface form Disambiguated ID Type / Status
Subject Fontana Lake E549187 entity
Predicate partOf P40 FINISHED
Object Tennessee Valley Authority reservoir system 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: Tennessee Valley Authority reservoir system | Statement: [Fontana Lake, partOf, Tennessee Valley Authority reservoir system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tennessee Valley Authority reservoir system
Context triple: [Fontana Lake, partOf, Tennessee Valley Authority reservoir system]
  • A. 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.
  • 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. 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.
  • D. 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.
  • E. Coosa River reservoir system
    The Coosa River reservoir system is a network of man-made lakes and dams along the Coosa River in Alabama and Georgia, used for hydroelectric power generation, flood control, recreation, and water supply.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tennessee Valley Authority reservoir system
Target entity description: The Tennessee Valley Authority reservoir system is an interconnected network of man-made lakes and dams across the Tennessee River watershed, managed to provide hydroelectric power, flood control, navigation, and recreational opportunities in the southeastern United States.
  • A. Tennessee River navigation system chosen
    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.
  • 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. 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.
  • D. 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.
  • E. Coosa River reservoir system
    The Coosa River reservoir system is a network of man-made lakes and dams along the Coosa River in Alabama and Georgia, used for hydroelectric power generation, flood control, recreation, and water supply.
  • F. None of above.

Provenance (2 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_69e11e403d6481909a94d0aaf157f6ef completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12b8fa3d081908db0a0556b009d8f completed April 28, 2026, 9:50 p.m.
Created at: April 16, 2026, 8:37 p.m.