Triple

T17596832
Position Surface form Disambiguated ID Type / Status
Subject Hetch Hetchy Power System E428593 entity
Predicate hasPart P35 FINISHED
Object Priest Reservoir
Priest Reservoir is a key water storage facility in California that supports the Hetch Hetchy regional water and hydroelectric power system serving the San Francisco Bay Area.
E1284336 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: Priest Reservoir | Statement: [Hetch Hetchy Power System, hasPart, Priest Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Priest Reservoir
Context triple: [Hetch Hetchy Power System, hasPart, Priest Reservoir]
  • A. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • B. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • C. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • D. Busse Reservoir
    Busse Reservoir is a large man-made lake in the Busse Woods Forest Preserve in Illinois, popular for fishing, boating, and wildlife viewing.
  • E. Puddingstone Reservoir
    Puddingstone Reservoir is a man-made lake and popular recreational area in Los Angeles County, California, known for fishing, boating, and picnicking within Frank G. Bonelli Regional Park.
  • 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: Priest Reservoir
Triple: [Hetch Hetchy Power System, hasPart, Priest Reservoir]
Generated description
Priest Reservoir is a key water storage facility in California that supports the Hetch Hetchy regional water and hydroelectric power system serving the San Francisco Bay Area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Priest Reservoir
Target entity description: Priest Reservoir is a key water storage facility in California that supports the Hetch Hetchy regional water and hydroelectric power system serving the San Francisco Bay Area.
  • A. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • B. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • C. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • D. Busse Reservoir
    Busse Reservoir is a large man-made lake in the Busse Woods Forest Preserve in Illinois, popular for fishing, boating, and wildlife viewing.
  • E. Puddingstone Reservoir
    Puddingstone Reservoir is a man-made lake and popular recreational area in Los Angeles County, California, known for fishing, boating, and picnicking within Frank G. Bonelli Regional Park.
  • F. None of above. chosen

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_69d889e1030481909950e140c63255b9 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e469ec335c8190abcaff700cfff23b completed April 19, 2026, 5:36 a.m.
NED1 Entity disambiguation (via context triple) batch_6a02300f2eb88190b5faead6b15cd9b7 completed May 11, 2026, 7:37 p.m.
NEDg Description generation batch_6a0231835c748190b6908d6ddb5f25b4 completed May 11, 2026, 7:44 p.m.
NED2 Entity disambiguation (via description) batch_6a0232033f788190b0be2d3976ed57e4 completed May 11, 2026, 7:46 p.m.
Created at: April 10, 2026, 5:51 a.m.