Triple
T19286894
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Fork Feather River |
E482336
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | Lost Creek Dam |
—
|
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: Lost Creek Dam | Statement: [South Fork Feather River, hasDam, Lost Creek Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lost Creek Dam Context triple: [South Fork Feather River, hasDam, Lost Creek Dam]
-
A.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
B.
Slab Creek Dam
Slab Creek Dam is a concrete gravity dam on the South Fork American River in El Dorado County, California, forming Slab Creek Reservoir as part of regional hydroelectric and water management operations.
-
C.
Anderson Ranch Dam
Anderson Ranch Dam is a large concrete arch dam in southwestern Idaho that creates Anderson Ranch Reservoir and provides hydroelectric power, irrigation storage, and flood control on the Boise River.
-
D.
Walter Hill Dam
Walter Hill Dam is a small historic dam and recreational site on the East Fork of the Stones River in Rutherford County, Tennessee.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- 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: Lost Creek Dam Target entity description: Lost Creek Dam is a concrete arch dam in California that impounds the South Fork Feather River to provide water storage, hydroelectric power, and recreational opportunities.
-
A.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
B.
Slab Creek Dam
Slab Creek Dam is a concrete gravity dam on the South Fork American River in El Dorado County, California, forming Slab Creek Reservoir as part of regional hydroelectric and water management operations.
-
C.
Anderson Ranch Dam
Anderson Ranch Dam is a large concrete arch dam in southwestern Idaho that creates Anderson Ranch Reservoir and provides hydroelectric power, irrigation storage, and flood control on the Boise River.
-
D.
Walter Hill Dam
Walter Hill Dam is a small historic dam and recreational site on the East Fork of the Stones River in Rutherford County, Tennessee.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- 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_69d8e8cf61b0819096fe3e4107827c4e |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fc032f108190a89e47d1458f3f55 |
completed | April 20, 2026, 10:12 a.m. |
Created at: April 10, 2026, 1:30 p.m.