Triple

T21390231
Position Surface form Disambiguated ID Type / Status
Subject Toccoa Creek E527622 entity
Predicate hasNotableEventLocation P36296 FINISHED
Object 1977 Kelly Barnes Dam failure
The 1977 Kelly Barnes Dam failure was a catastrophic dam collapse near Toccoa, Georgia, that caused deadly flooding downstream and prompted major changes in dam safety regulations in the United States.
E1480648 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: 1977 Kelly Barnes Dam failure | Statement: [Toccoa Creek, hasNotableEventLocation, 1977 Kelly Barnes Dam failure]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1977 Kelly Barnes Dam failure
Context triple: [Toccoa Creek, hasNotableEventLocation, 1977 Kelly Barnes Dam failure]
  • A. Harlan County Dam
    Harlan County Dam is a large earthen dam on the Republican River in south-central Nebraska, forming Harlan County Lake for flood control, irrigation, and recreation.
  • B. Teton Dam failure flooding
    Teton Dam failure flooding refers to the catastrophic 1976 collapse of the Teton Dam in Idaho, which unleashed a massive flood that devastated downstream communities such as Rexburg.
  • C. Trinity Dam
    Trinity Dam is a major earthfill dam on the Trinity River in Northern California, forming Trinity Lake and providing water storage, hydroelectric power, and flood control as part of the state’s large federal water management system.
  • D. 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.
  • E. Keystone Dam
    Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas 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: 1977 Kelly Barnes Dam failure
Triple: [Toccoa Creek, hasNotableEventLocation, 1977 Kelly Barnes Dam failure]
Generated description
The 1977 Kelly Barnes Dam failure was a catastrophic dam collapse near Toccoa, Georgia, that caused deadly flooding downstream and prompted major changes in dam safety regulations in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1977 Kelly Barnes Dam failure
Target entity description: The 1977 Kelly Barnes Dam failure was a catastrophic dam collapse near Toccoa, Georgia, that caused deadly flooding downstream and prompted major changes in dam safety regulations in the United States.
  • A. Harlan County Dam
    Harlan County Dam is a large earthen dam on the Republican River in south-central Nebraska, forming Harlan County Lake for flood control, irrigation, and recreation.
  • B. Teton Dam failure flooding
    Teton Dam failure flooding refers to the catastrophic 1976 collapse of the Teton Dam in Idaho, which unleashed a massive flood that devastated downstream communities such as Rexburg.
  • C. Trinity Dam
    Trinity Dam is a major earthfill dam on the Trinity River in Northern California, forming Trinity Lake and providing water storage, hydroelectric power, and flood control as part of the state’s large federal water management system.
  • D. 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.
  • E. Keystone Dam
    Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas River.
  • 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_69e0b51ff3748190935c0a513c62a12b completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8b112a7808190ae4b180ce0d2b408 completed April 22, 2026, 11:29 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09b42b38348190a9922d9525d18875 completed May 17, 2026, 12:27 p.m.
NEDg Description generation batch_6a09b479c9b881908e2c6ddb2dff16af completed May 17, 2026, 12:28 p.m.
NED2 Entity disambiguation (via description) batch_6a09b52a2be08190b64d6fe611544d9a completed May 17, 2026, 12:31 p.m.
Created at: April 16, 2026, 5:13 p.m.