Triple

T4491078
Position Surface form Disambiguated ID Type / Status
Subject Nickajack Dam E107373 entity
Predicate replacedStructure P10258 FINISHED
Object Hales Bar Dam
Hales Bar Dam was an early 20th-century hydroelectric dam on the Tennessee River in Tennessee, notable as one of the first major dams built on a navigable river in the United States.
E449741 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: Hales Bar Dam | Statement: [Nickajack Dam, replacedStructure, Hales Bar Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hales Bar Dam
Context triple: [Nickajack Dam, replacedStructure, Hales Bar Dam]
  • A. Nimbus Dam
    Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
  • B. Repulse Dam
    Repulse Dam is a hydroelectric and water storage dam located on the Derwent River in Tasmania, Australia.
  • C. Melton Hill Dam
    Melton Hill Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in East Tennessee, forming Melton Hill Lake and providing power generation, recreation, and flood control for the Knoxville area.
  • D. Norris Dam
    Norris Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in eastern Tennessee, notable as TVA’s first major dam project and a key component of regional flood control and power generation.
  • E. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • 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: Hales Bar Dam
Triple: [Nickajack Dam, replacedStructure, Hales Bar Dam]
Generated description
Hales Bar Dam was an early 20th-century hydroelectric dam on the Tennessee River in Tennessee, notable as one of the first major dams built on a navigable river in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hales Bar Dam
Target entity description: Hales Bar Dam was an early 20th-century hydroelectric dam on the Tennessee River in Tennessee, notable as one of the first major dams built on a navigable river in the United States.
  • A. Nimbus Dam
    Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
  • B. Repulse Dam
    Repulse Dam is a hydroelectric and water storage dam located on the Derwent River in Tasmania, Australia.
  • C. Melton Hill Dam
    Melton Hill Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in East Tennessee, forming Melton Hill Lake and providing power generation, recreation, and flood control for the Knoxville area.
  • D. Norris Dam
    Norris Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in eastern Tennessee, notable as TVA’s first major dam project and a key component of regional flood control and power generation.
  • E. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • 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_69bd43f84f788190a1383579c4a595be completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd556e69f88190b9c16afc2afcdbef completed March 20, 2026, 2:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69bda41426ec8190a239da38bd3643fd completed March 20, 2026, 7:46 p.m.
NEDg Description generation batch_69bda5e9ccc48190bfde05c935db0ef6 completed March 20, 2026, 7:54 p.m.
NED2 Entity disambiguation (via description) batch_69bda635f8d8819095604fdeab5e39e7 completed March 20, 2026, 7:55 p.m.
Created at: March 20, 2026, 12:59 p.m.