Triple

T6323855
Position Surface form Disambiguated ID Type / Status
Subject Nickajack Lake E141811 entity
Predicate partOf P40 FINISHED
Object Tennessee Valley Authority reservoir system
The Tennessee Valley Authority reservoir system is a network of man-made lakes and dams across the Tennessee River and its tributaries, designed to provide flood control, hydroelectric power, navigation, and recreational opportunities throughout the Tennessee Valley region.
 E462695 NE FINISHED

How this triple was built (4 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: [Nickajack 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: [Nickajack 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. Watts Bar Dam
    Watts Bar Dam is a Tennessee Valley Authority hydroelectric and navigation dam on the Tennessee River in eastern Tennessee.
  • C. Missouri River reservoir system
    The Missouri River reservoir system is a network of large dams and reservoirs along the Missouri River designed primarily for flood control, hydroelectric power generation, irrigation, navigation, and recreation.
  • D. Guntersville Dam
    Guntersville Dam is a Tennessee Valley Authority hydroelectric dam and navigation lock on the Tennessee River in northern Alabama.
  • E. Wilson Dam
    Wilson Dam is a large hydroelectric and navigation dam in northern Alabama that forms part of the Tennessee Valley Authority system on the Tennessee River.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Tennessee Valley Authority reservoir system
Triple: [Nickajack Lake, partOf, Tennessee Valley Authority reservoir system]
Generated description
The Tennessee Valley Authority reservoir system is a network of man-made lakes and dams across the Tennessee River and its tributaries, designed to provide flood control, hydroelectric power, navigation, and recreational opportunities throughout the Tennessee Valley region.
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 a network of man-made lakes and dams across the Tennessee River and its tributaries, designed to provide flood control, hydroelectric power, navigation, and recreational opportunities throughout the Tennessee Valley region.
  • 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. Watts Bar Dam
    Watts Bar Dam is a Tennessee Valley Authority hydroelectric and navigation dam on the Tennessee River in eastern Tennessee.
  • C. Missouri River reservoir system
    The Missouri River reservoir system is a network of large dams and reservoirs along the Missouri River designed primarily for flood control, hydroelectric power generation, irrigation, navigation, and recreation.
  • D. Guntersville Dam
    Guntersville Dam is a Tennessee Valley Authority hydroelectric dam and navigation lock on the Tennessee River in northern Alabama.
  • E. Wilson Dam
    Wilson Dam is a large hydroelectric and navigation dam in northern Alabama that forms part of the Tennessee Valley Authority system on the Tennessee River.
  • F. None of above.

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_69c008d201748190917e69c41ba3f978 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064e538ac81908c5d7556513c2bc3 completed March 22, 2026, 9:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c5e490472c8190b4ecc935bf03d01e completed March 27, 2026, 1:59 a.m.
NEDg Description generation batch_69c5e6347c108190bfdbad7c18880a37 completed March 27, 2026, 2:06 a.m.
NED2 Entity disambiguation (via description) batch_69c5e6bb552c8190a092495b5ecb5b57 completed March 27, 2026, 2:08 a.m.
Created at: March 22, 2026, 4:29 p.m.