Triple
T21390231
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toccoa Creek |
E527622
|
entity |
| Predicate | hasNotableEventLocation |
P36296
|
FINISHED |
| Object | 1977 Kelly Barnes Dam failure |
—
|
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: 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.
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 (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_69e0b51ff3748190935c0a513c62a12b |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8b112a7808190ae4b180ce0d2b408 |
completed | April 22, 2026, 11:29 a.m. |
Created at: April 16, 2026, 5:13 p.m.