Triple

T15484050
Position Surface form Disambiguated ID Type / Status
Subject Crystal Springs Dam E376996 entity
Predicate partOf P40 FINISHED
Object San Francisco Peninsula water supply system E126933 NE FINISHED

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: San Francisco Peninsula water supply system | Statement: [Crystal Springs Dam, partOf, San Francisco Peninsula water supply system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco Peninsula water supply system
Context triple: [Crystal Springs Dam, partOf, San Francisco Peninsula water supply system]
  • A. San Francisco Peninsula reservoir system chosen
    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.
  • B. California State Water System
    The California State Water System is a vast, integrated network of dams, reservoirs, aqueducts, and pumping facilities that transports and delivers water across much of California for urban, agricultural, and environmental uses.
  • C. South Bay Aqueduct
    South Bay Aqueduct is a major California water conveyance facility that transports water from the State Water Project to communities in the southern San Francisco Bay Area.
  • D. California State Water Project Delta facilities
    The California State Water Project Delta facilities are a network of infrastructure in the Sacramento–San Joaquin Delta that diverts, pumps, and conveys freshwater for urban and agricultural use throughout much of California.
  • E. California Aqueduct
    The California Aqueduct is a major man-made water conveyance system in California that transports water hundreds of miles from the state’s northern regions to its drier central and southern areas.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d85cd21dcc81908646251b1c26ea00 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e03f8e6ff08190b130b3a38f4190e7 completed April 16, 2026, 1:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff2d0f4e648190b9cd9b1464209224 completed May 9, 2026, 12:48 p.m.
Created at: April 10, 2026, 3:45 a.m.