Triple
T22123117
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hetch Hetchy Regional Water System |
E546722
|
entity |
| Predicate | usesReservoir |
P107038
|
FINISHED |
| Object | Crystal Springs Reservoir |
—
|
NE NERFINISHED |
How this triple was built (2 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: Crystal Springs Reservoir | Statement: [Hetch Hetchy Regional Water System, usesReservoir, Crystal Springs Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Crystal Springs Reservoir Context triple: [Hetch Hetchy Regional Water System, usesReservoir, Crystal Springs Reservoir]
-
A.
Crystal Springs Reservoir
chosen
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
-
B.
Warm Springs Reservoir
Warm Springs Reservoir is a large man-made lake in eastern Oregon used primarily for irrigation, recreation, and wildlife habitat along the Malheur River.
-
C.
Stillwater Reservoir
Stillwater Reservoir is a large, remote man-made lake in the western Adirondack Mountains of New York, popular for boating, fishing, and backcountry recreation.
-
D.
Sweetwater Reservoir
Sweetwater Reservoir is a man-made lake in San Diego County, California, that serves as a key water supply and recreational area for the surrounding communities.
-
E.
Pathfinder Reservoir
Pathfinder Reservoir is a large man-made lake in Wyoming, created by Pathfinder Dam on the North Platte River, primarily used for irrigation, flood control, and recreation.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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.