Triple

T22216672
Position Surface form Disambiguated ID Type / Status
Subject Upper American River Project E549090 entity
Predicate hasPart P35 FINISHED
Object Loon Lake Powerhouse
Loon Lake Powerhouse is a hydroelectric generating facility that forms part of the Upper American River Project in California, converting water from Loon Lake Reservoir into electrical power.
 E1526352 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: Loon Lake Powerhouse | Statement: [Upper American River Project, hasPart, Loon Lake Powerhouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Loon Lake Powerhouse
Context triple: [Upper American River Project, hasPart, Loon Lake Powerhouse]
  • A. South Fork Powerhouse
    South Fork Powerhouse is a hydroelectric generating station that harnesses the flow of the South Fork Feather River to produce electricity.
  • B. Tiger Creek Powerhouse
    Tiger Creek Powerhouse is a hydroelectric generating facility located on California’s North Fork Mokelumne River, producing electricity from the river’s flow.
  • C. Beaver Dam Hydroelectric Plant
    Beaver Dam Hydroelectric Plant is a hydroelectric power facility in Arkansas that generates electricity using water impounded by Beaver Lake on the White River.
  • D. Shanan Power House
    Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
  • E. Narrows Hydroelectric Plant
    The Narrows Hydroelectric Plant is a hydroelectric power station that generates electricity using water impounded by Narrows Dam.
  • 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: Loon Lake Powerhouse
Triple: [Upper American River Project, hasPart, Loon Lake Powerhouse]
Generated description
Loon Lake Powerhouse is a hydroelectric generating facility that forms part of the Upper American River Project in California, converting water from Loon Lake Reservoir into electrical power.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Loon Lake Powerhouse
Target entity description: Loon Lake Powerhouse is a hydroelectric generating facility that forms part of the Upper American River Project in California, converting water from Loon Lake Reservoir into electrical power.
  • A. South Fork Powerhouse
    South Fork Powerhouse is a hydroelectric generating station that harnesses the flow of the South Fork Feather River to produce electricity.
  • B. Tiger Creek Powerhouse
    Tiger Creek Powerhouse is a hydroelectric generating facility located on California’s North Fork Mokelumne River, producing electricity from the river’s flow.
  • C. Beaver Dam Hydroelectric Plant
    Beaver Dam Hydroelectric Plant is a hydroelectric power facility in Arkansas that generates electricity using water impounded by Beaver Lake on the White River.
  • D. Shanan Power House
    Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
  • E. Narrows Hydroelectric Plant
    The Narrows Hydroelectric Plant is a hydroelectric power station that generates electricity using water impounded by Narrows Dam.
  • 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_69e11e3f7e04819089806d81d5ac431e completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12b8c9d488190a59f571862997304 completed April 28, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0aae692a108190ad7156d9b3c72901 completed May 18, 2026, 6:15 a.m.
NEDg Description generation batch_6a0ab28bc764819083ba5f419d288eab completed May 18, 2026, 6:32 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab32113748190bfd86bcffcf06b76 completed May 18, 2026, 6:35 a.m.
Created at: April 16, 2026, 8:37 p.m.