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.