Triple
T22123116
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hetch Hetchy Regional Water System |
E546722
|
entity |
| Predicate | usesReservoir |
P107038
|
FINISHED |
| Object | Calaveras 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: Calaveras Reservoir | Statement: [Hetch Hetchy Regional Water System, usesReservoir, Calaveras Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calaveras Reservoir Context triple: [Hetch Hetchy Regional Water System, usesReservoir, Calaveras Reservoir]
-
A.
Calaveras Reservoir
chosen
Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
-
B.
El Capitan Reservoir
El Capitan Reservoir is a large man-made lake in San Diego County, California, primarily used for municipal water supply and recreational activities such as fishing and boating.
-
C.
Calero Reservoir
Calero Reservoir is a man-made lake in Santa Clara County, California, primarily used for water storage, flood control, and recreation such as boating and fishing.
-
D.
Yuba Reservoir
Yuba Reservoir is a man-made lake in central Utah popular for boating, fishing, and camping.
-
E.
Matilija Reservoir
Matilija Reservoir is a man-made lake in Ventura County, California, created by Matilija Dam on Matilija Creek and known for its role in regional water supply, sediment buildup issues, and ongoing dam removal and river restoration efforts.
- 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.