Triple

T6315307
Position Surface form Disambiguated ID Type / Status
Subject San Andreas Dam E141599 entity
Predicate feedsSystem P9008 FINISHED
Object Hetch Hetchy Regional Water System E546722 NE FINISHED

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: Hetch Hetchy Regional Water System | Statement: [San Andreas Dam, feedsSystem, Hetch Hetchy Regional Water System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hetch Hetchy Regional Water System
Context triple: [San Andreas Dam, feedsSystem, Hetch Hetchy Regional Water System]
  • A. Hetch Hetchy Regional Water System chosen
    The Hetch Hetchy Regional Water System is a major water supply and delivery network that provides high-quality drinking water from Sierra Nevada sources to San Francisco and numerous Bay Area communities.
  • B. Hetch Hetchy Reservoir
    Hetch Hetchy Reservoir is a man-made lake in Yosemite National Park that stores water and generates hydroelectric power for the San Francisco Bay Area.
  • C. Hetch Hetchy Power System
    The Hetch Hetchy Power System is a municipal hydroelectric power network that generates and delivers clean electricity to San Francisco and surrounding public facilities.
  • D. Pepacton Reservoir
    Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
  • E. Hetch Hetchy Valley
    Hetch Hetchy Valley is a glacially carved valley in Yosemite National Park, California, best known for its scenic granite cliffs and for being largely submerged by the Hetch Hetchy Reservoir that supplies water to the San Francisco Bay Area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: feedsSystem
Context triple: [San Andreas Dam, feedsSystem, Hetch Hetchy Regional Water System]
  • A. feedSystem chosen
    Indicates that one entity supplies or provides input, resources, or data into another entity or system for its operation or processing.
  • B. feedsOn
    Indicates that one entity obtains nourishment by consuming another entity as food.
  • C. feedsAt
    Indicates that one entity obtains or consumes food at, from, or using another entity (such as a location, source, or feeding apparatus).
  • D. feedsAccelerator
    Indicates that one entity supplies or directs input, resources, or power into an accelerator system for its operation.
  • E. feedsRiver
    Indicates that one water body or source supplies water to and flows into a river.
  • F. None of above.

Provenance (4 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_69c008d13b8c8190be47d896eb735605 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064a197488190946c4637b3c829a5 completed March 22, 2026, 9:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6385ef7c48190bc81711856977330 completed March 27, 2026, 7:57 a.m.
PD Predicate disambiguation batch_69c060e5efc48190861b8266e5b0cc0c completed March 22, 2026, 9:36 p.m.
Created at: March 22, 2026, 4:28 p.m.