Triple
T22123141
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hetch Hetchy Regional Water System |
E546722
|
entity |
| Predicate | region |
P40
|
FINISHED |
| Object | Sierra Nevada to San Francisco Bay Area |
—
|
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: Sierra Nevada to San Francisco Bay Area | Statement: [Hetch Hetchy Regional Water System, region, Sierra Nevada to San Francisco Bay Area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sierra Nevada to San Francisco Bay Area Context triple: [Hetch Hetchy Regional Water System, region, Sierra Nevada to San Francisco Bay Area]
-
A.
Northern California Coast Ranges
The Northern California Coast Ranges are a series of rugged, forested mountain ranges running parallel to the Pacific coast in northern California, known for their complex geology, biodiversity, and volcanic features.
-
B.
San Francisco Peaks region
The San Francisco Peaks region is a mountainous area in northern Arizona that served as a central homeland and cultural landscape for the ancient Sinagua people.
-
C.
California Coast–Sierra Nevada–Transverse Ranges transition zone
The California Coast–Sierra Nevada–Transverse Ranges transition zone is a complex geological and ecological boundary region in central-southern California where three major mountain systems converge, creating diverse landscapes and habitats.
-
D.
San Joaquin Valley–Bay Area interface
The San Joaquin Valley–Bay Area interface is a transitional geographic and ecological zone in California where the agricultural Central Valley meets the urbanized San Francisco Bay Area.
-
E.
Northeast California
Northeast California is a culturally distinct region of the state historically inhabited and shaped by various Indigenous Californian peoples and their traditions.
- 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: Sierra Nevada to San Francisco Bay Area Target entity description: The Sierra Nevada to San Francisco Bay Area region encompasses the mountainous watershed areas in the Sierra Nevada that supply water and extend westward through California’s Central Valley and coastal ranges to the urban and suburban communities around the San Francisco Bay.
-
A.
Northern California Coast Ranges
The Northern California Coast Ranges are a series of rugged, forested mountain ranges running parallel to the Pacific coast in northern California, known for their complex geology, biodiversity, and volcanic features.
-
B.
San Francisco Peaks region
The San Francisco Peaks region is a mountainous area in northern Arizona that served as a central homeland and cultural landscape for the ancient Sinagua people.
-
C.
California Coast–Sierra Nevada–Transverse Ranges transition zone
The California Coast–Sierra Nevada–Transverse Ranges transition zone is a complex geological and ecological boundary region in central-southern California where three major mountain systems converge, creating diverse landscapes and habitats.
-
D.
San Joaquin Valley–Bay Area interface
chosen
The San Joaquin Valley–Bay Area interface is a transitional geographic and ecological zone in California where the agricultural Central Valley meets the urbanized San Francisco Bay Area.
-
E.
Northeast California
Northeast California is a culturally distinct region of the state historically inhabited and shaped by various Indigenous Californian peoples and their traditions.
- F. None of above.
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.