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
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.
E1068885 NE FINISHED

How this triple was built (4 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Sierra Nevada to San Francisco Bay Area
Triple: [Hetch Hetchy Regional Water System, region, Sierra Nevada to San Francisco Bay Area]
Generated 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.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0a8f21bf1881909efdda72f353b58b completed May 18, 2026, 4:01 a.m.
NEDg Description generation batch_6a0a932edc2c81909c014a21ac087cbd completed May 18, 2026, 4:18 a.m.
NED2 Entity disambiguation (via description) batch_6a0a93a6adbc8190b7075d7ce81fb943 completed May 18, 2026, 4:20 a.m.
Created at: April 16, 2026, 8:31 p.m.