Triple

T17596833
Position Surface form Disambiguated ID Type / Status
Subject Hetch Hetchy Power System E428593 entity
Predicate hasPart P35 FINISHED
Object Moccasin Reservoir — 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: Moccasin Reservoir | Statement: [Hetch Hetchy Power System, hasPart, Moccasin Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Moccasin Reservoir
Context triple: [Hetch Hetchy Power System, hasPart, Moccasin Reservoir]
  • A. McPhee Reservoir
    McPhee Reservoir is a large man-made lake in southwestern Colorado that serves as a major water storage and irrigation resource for the surrounding region.
  • B. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • C. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • D. McKay Reservoir
    McKay Reservoir is a man-made lake in northeastern Oregon that provides water storage, recreation, and wildlife habitat within the McKay Creek National Wildlife Refuge.
  • E. Slab Creek Reservoir
    Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
  • 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: Moccasin Reservoir
Target entity description: Moccasin Reservoir is a man-made water storage facility in California that supports hydroelectric power generation and water management within the Hetch Hetchy system.
  • A. McPhee Reservoir
    McPhee Reservoir is a large man-made lake in southwestern Colorado that serves as a major water storage and irrigation resource for the surrounding region.
  • B. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • C. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • D. McKay Reservoir
    McKay Reservoir is a man-made lake in northeastern Oregon that provides water storage, recreation, and wildlife habitat within the McKay Creek National Wildlife Refuge.
  • E. Slab Creek Reservoir
    Slab Creek Reservoir is an artificial lake in El Dorado County, California, formed by a dam on the South Fork American River and used for hydroelectric power generation and recreation.
  • F. None of above. chosen

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_69d889e1030481909950e140c63255b9 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e469ec335c8190abcaff700cfff23b completed April 19, 2026, 5:36 a.m.
Created at: April 10, 2026, 5:51 a.m.