Triple
T22123111
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hetch Hetchy Regional Water System |
E546722
|
entity |
| Predicate | waterSource |
P4102
|
FINISHED |
| Object | Cherry Reservoir |
—
|
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: Cherry Reservoir | Statement: [Hetch Hetchy Regional Water System, waterSource, Cherry Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cherry Reservoir Context triple: [Hetch Hetchy Regional Water System, waterSource, Cherry Reservoir]
-
A.
Chili Bar Reservoir
Chili Bar Reservoir is a small man-made lake in El Dorado County, California, popular for whitewater recreation and formed by a dam on the South Fork of the American River.
-
B.
Scofield Reservoir
Scofield Reservoir is a popular high-elevation lake in central Utah known for fishing, boating, and outdoor recreation within Scofield State Park.
-
C.
Wheeler Reservoir
Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
-
D.
Aurora Reservoir
Aurora Reservoir is a large recreational lake and surrounding open space in Aurora, Colorado, popular for swimming, boating, fishing, and lakeside trails.
-
E.
R. L. Harris Reservoir
R. L. Harris Reservoir is a man-made lake in east-central Alabama popular for fishing, boating, and other recreational activities.
- 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: Cherry Reservoir Target entity description: Cherry Reservoir is a man-made lake in California’s Sierra Nevada that stores and supplies water and hydroelectric power as part of the Hetch Hetchy Regional Water System.
-
A.
Chili Bar Reservoir
Chili Bar Reservoir is a small man-made lake in El Dorado County, California, popular for whitewater recreation and formed by a dam on the South Fork of the American River.
-
B.
Scofield Reservoir
Scofield Reservoir is a popular high-elevation lake in central Utah known for fishing, boating, and outdoor recreation within Scofield State Park.
-
C.
Wheeler Reservoir
Wheeler Reservoir is a large man-made lake on the Tennessee River in northern Alabama, created by Wheeler Dam and used for hydroelectric power, navigation, recreation, and wildlife habitat.
-
D.
Aurora Reservoir
Aurora Reservoir is a large recreational lake and surrounding open space in Aurora, Colorado, popular for swimming, boating, fishing, and lakeside trails.
-
E.
R. L. Harris Reservoir
R. L. Harris Reservoir is a man-made lake in east-central Alabama popular for fishing, boating, and other recreational activities.
- 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_69e11e39bf348190b541bfa16a7b71e0 |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f1297f3fb48190b6aaca18b40c37ab |
completed | April 28, 2026, 9:41 p.m. |
Created at: April 16, 2026, 8:31 p.m.