Triple
T19286892
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Fork Feather River |
E482336
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | Little Grass Valley 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: Little Grass Valley Dam | Statement: [South Fork Feather River, hasDam, Little Grass Valley Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Little Grass Valley Dam Context triple: [South Fork Feather River, hasDam, Little Grass Valley Dam]
-
A.
Mormon Flat Dam
Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
-
B.
Scotts Peak Dam
Scotts Peak Dam is a major hydroelectric dam in southwest Tasmania, Australia, forming part of the Gordon River power scheme and providing access to the remote Southwest National Park wilderness.
-
C.
Cherry Creek Dam
Cherry Creek Dam is an earth-fill flood control dam in Colorado that forms Cherry Creek Reservoir, a popular recreation area near Denver.
-
D.
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.
-
E.
Round Butte Dam
Round Butte Dam is a hydroelectric dam on the Deschutes River in Oregon, known for creating Lake Billy Chinook and forming part of the Pelton Round Butte Project.
- 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: Little Grass Valley Dam Target entity description: Little Grass Valley Dam is an earthfill dam in Plumas County, California, that creates Little Grass Valley Reservoir on the upper South Fork of the Feather River for water storage, hydroelectric power, and recreation.
-
A.
Mormon Flat Dam
Mormon Flat Dam is a concrete thin arch dam on Arizona’s Salt River that forms Canyon Lake and helps provide hydroelectric power, water storage, and flood control for the region.
-
B.
Scotts Peak Dam
Scotts Peak Dam is a major hydroelectric dam in southwest Tasmania, Australia, forming part of the Gordon River power scheme and providing access to the remote Southwest National Park wilderness.
-
C.
Cherry Creek Dam
Cherry Creek Dam is an earth-fill flood control dam in Colorado that forms Cherry Creek Reservoir, a popular recreation area near Denver.
-
D.
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.
-
E.
Round Butte Dam
Round Butte Dam is a hydroelectric dam on the Deschutes River in Oregon, known for creating Lake Billy Chinook and forming part of the Pelton Round Butte Project.
- 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.