Triple
T22299570
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calaveras Reservoir |
E551219
|
entity |
| Predicate | locatedInProtectedArea |
P40
|
FINISHED |
| Object | San Francisco Public Utilities Commission watershed lands |
—
|
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: San Francisco Public Utilities Commission watershed lands | Statement: [Calaveras Reservoir, locatedInProtectedArea, San Francisco Public Utilities Commission watershed lands]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco Public Utilities Commission watershed lands Context triple: [Calaveras Reservoir, locatedInProtectedArea, San Francisco Public Utilities Commission watershed lands]
-
A.
San Francisco Peninsula watershed
The San Francisco Peninsula watershed is the network of creeks, reservoirs, and drainage basins that collect and channel water across the San Francisco Peninsula into the Pacific Ocean and San Francisco Bay.
-
B.
San Francisco Peninsula reservoir system
The San Francisco Peninsula reservoir system is a network of man-made lakes and related infrastructure that stores and supplies drinking water to the San Francisco Bay Area, particularly the city of San Francisco and nearby communities.
-
C.
Solano County Water Agency
Solano County Water Agency is a public water management agency in California responsible for regional water supply, flood control, and environmental stewardship in Solano County.
-
D.
Contra Costa Water District
Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
-
E.
San Francisco Bay Regional Water Quality Control Board
The San Francisco Bay Regional Water Quality Control Board is a regional agency responsible for protecting and regulating water quality in the San Francisco Bay Area under California’s statewide water governance system.
- 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: San Francisco Public Utilities Commission watershed lands Target entity description: The San Francisco Public Utilities Commission watershed lands are a protected expanse of publicly owned terrain in the Bay Area managed to safeguard regional drinking water supplies and associated natural ecosystems.
-
A.
San Francisco Peninsula watershed
The San Francisco Peninsula watershed is the network of creeks, reservoirs, and drainage basins that collect and channel water across the San Francisco Peninsula into the Pacific Ocean and San Francisco Bay.
-
B.
San Francisco Peninsula reservoir system
The San Francisco Peninsula reservoir system is a network of man-made lakes and related infrastructure that stores and supplies drinking water to the San Francisco Bay Area, particularly the city of San Francisco and nearby communities.
-
C.
Solano County Water Agency
Solano County Water Agency is a public water management agency in California responsible for regional water supply, flood control, and environmental stewardship in Solano County.
-
D.
Contra Costa Water District
Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
-
E.
San Francisco Bay Regional Water Quality Control Board
The San Francisco Bay Regional Water Quality Control Board is a regional agency responsible for protecting and regulating water quality in the San Francisco Bay Area under California’s statewide water governance system.
- 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_69e11e46c0188190800181a4233f28fe |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15722c3348190b63eb49764ef132d |
completed | April 29, 2026, 12:56 a.m. |
Created at: April 16, 2026, 8:41 p.m.