Triple

T1561658
Position Surface form Disambiguated ID Type / Status
Subject American River E33336 entity
Predicate hasDam P8736 FINISHED
Object Nimbus Dam
Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
E186071 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: Nimbus Dam | Statement: [American River, hasDam, Nimbus Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nimbus Dam
Context triple: [American River, hasDam, Nimbus Dam]
  • A. Norris Dam
    Norris Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in eastern Tennessee, notable as TVA’s first major dam project and a key component of regional flood control and power generation.
  • B. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • C. Melton Hill Dam
    Melton Hill Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in East Tennessee, forming Melton Hill Lake and providing power generation, recreation, and flood control for the Knoxville area.
  • D. Croton Dam
    Croton Dam is a historic masonry dam on New York’s Croton River that was a key early source of drinking water for New York City and is now a notable landmark within Old Croton Aqueduct State Historic Park.
  • E. Derby Dam
    Derby Dam is an early 20th-century diversion dam on Nevada’s Truckee River, built as part of the Newlands Reclamation Project to supply irrigation water to nearby agricultural lands.
  • 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: Nimbus Dam
Triple: [American River, hasDam, Nimbus Dam]
Generated description
Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nimbus Dam
Target entity description: Nimbus Dam is a concrete gravity dam on the American River in California that forms Lake Natoma and helps regulate water flow, provide hydroelectric power, and support regional water supply and recreation.
  • A. Norris Dam
    Norris Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in eastern Tennessee, notable as TVA’s first major dam project and a key component of regional flood control and power generation.
  • B. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • C. Melton Hill Dam
    Melton Hill Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in East Tennessee, forming Melton Hill Lake and providing power generation, recreation, and flood control for the Knoxville area.
  • D. Croton Dam
    Croton Dam is a historic masonry dam on New York’s Croton River that was a key early source of drinking water for New York City and is now a notable landmark within Old Croton Aqueduct State Historic Park.
  • E. Derby Dam
    Derby Dam is an early 20th-century diversion dam on Nevada’s Truckee River, built as part of the Newlands Reclamation Project to supply irrigation water to nearby agricultural lands.
  • 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_69a885ef9cf48190b0af0f5ce3d02231 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9088710a881909a1226e4b54311b8 completed March 5, 2026, 4:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad608813548190b156fb9470ed3239 completed March 8, 2026, 11:42 a.m.
NEDg Description generation batch_69ad61bdb07c8190b0bd0c2298e9d2b5 completed March 8, 2026, 11:47 a.m.
NED2 Entity disambiguation (via description) batch_69ad622acf5881908add72069bd2f060 completed March 8, 2026, 11:48 a.m.
Created at: March 4, 2026, 7:27 p.m.