Triple

T18623301
Position Surface form Disambiguated ID Type / Status
Subject Caney Fork River E455210 entity
Predicate impoundedBy P10781 FINISHED
Object Center Hill Dam
Center Hill Dam is a large U.S. Army Corps of Engineers flood-control and hydroelectric dam on the Caney Fork River in central Tennessee.
E1492717 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: Center Hill Dam | Statement: [Caney Fork River, impoundedBy, Center Hill Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Center Hill Dam
Context triple: [Caney Fork River, impoundedBy, Center Hill Dam]
  • A. High Rock Dam
    High Rock Dam is a hydroelectric dam in North Carolina that impounds the Yadkin River to form High Rock Lake, a major reservoir for power generation and recreation.
  • B. Clarks Hill Dam
    Clarks Hill Dam is a large hydroelectric and flood-control dam on the Savannah River along the Georgia–South Carolina border, now officially known as J. Strom Thurmond Dam.
  • C. Edenville Dam
    Edenville Dam was an earthen embankment dam in central Michigan, USA, known for its catastrophic failure in May 2020 that caused major downstream flooding.
  • D. Rodman Dam
    Rodman Dam is a controversial man-made structure in north-central Florida that created the Rodman Reservoir by impounding the Ocklawaha River as part of the partially completed Cross Florida Barge Canal project.
  • E. Harriman Dam
    Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
  • 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: Center Hill Dam
Triple: [Caney Fork River, impoundedBy, Center Hill Dam]
Generated description
Center Hill Dam is a large U.S. Army Corps of Engineers flood-control and hydroelectric dam on the Caney Fork River in central Tennessee.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Center Hill Dam
Target entity description: Center Hill Dam is a large U.S. Army Corps of Engineers flood-control and hydroelectric dam on the Caney Fork River in central Tennessee.
  • A. High Rock Dam
    High Rock Dam is a hydroelectric dam in North Carolina that impounds the Yadkin River to form High Rock Lake, a major reservoir for power generation and recreation.
  • B. Clarks Hill Dam
    Clarks Hill Dam is a large hydroelectric and flood-control dam on the Savannah River along the Georgia–South Carolina border, now officially known as J. Strom Thurmond Dam.
  • C. Edenville Dam
    Edenville Dam was an earthen embankment dam in central Michigan, USA, known for its catastrophic failure in May 2020 that caused major downstream flooding.
  • D. Rodman Dam
    Rodman Dam is a controversial man-made structure in north-central Florida that created the Rodman Reservoir by impounding the Ocklawaha River as part of the partially completed Cross Florida Barge Canal project.
  • E. Harriman Dam
    Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
  • 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_69d8d38cc7948190a55ea64e5638994e completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e54f02dc248190a82341eeb2473593 completed April 19, 2026, 9:54 p.m.
NED1 Entity disambiguation (via context triple) batch_6a09fd19b9b88190a66b02d573751343 completed May 17, 2026, 5:38 p.m.
NEDg Description generation batch_6a09fe995c4c8190be64a5a97f22232b completed May 17, 2026, 5:44 p.m.
NED2 Entity disambiguation (via description) batch_6a09ff342bec8190870fb37ee997c166 completed May 17, 2026, 5:47 p.m.
Created at: April 10, 2026, 11:46 a.m.