Triple

T3695867
Position Surface form Disambiguated ID Type / Status
Subject Columbia River hydropower system E78455 entity
Predicate includesFacility P12416 FINISHED
Object Priest Rapids Dam
Priest Rapids Dam is a hydroelectric dam on the Columbia River in Washington State that generates power and helps regulate river flow as part of the region’s larger hydropower system.
 E430176 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 Rapids Dam | Statement: [Columbia River hydropower system, includesFacility, Priest Rapids Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Priest Rapids Dam
Context triple: [Columbia River hydropower system, includesFacility, Priest Rapids Dam]
  • A. Minidoka Dam
    Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
  • B. McNary Dam
    McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
  • C. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • D. Wanapum Dam
    Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
  • E. McClure Dam
    McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
  • 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 Rapids Dam
Triple: [Columbia River hydropower system, includesFacility, Priest Rapids Dam]
Generated description
Priest Rapids Dam is a hydroelectric dam on the Columbia River in Washington State that generates power and helps regulate river flow as part of the region’s larger hydropower system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Priest Rapids Dam
Target entity description: Priest Rapids Dam is a hydroelectric dam on the Columbia River in Washington State that generates power and helps regulate river flow as part of the region’s larger hydropower system.
  • A. Minidoka Dam
    Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
  • B. McNary Dam
    McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
  • C. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • D. Wanapum Dam
    Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
  • E. McClure Dam
    McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
  • 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_69ad85e3b1888190abc983e06968696d completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc50f9ad88190a926042fa73d65dc completed March 8, 2026, 6:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5d03dbd348190aaaa58a352982248 completed March 14, 2026, 9:16 p.m.
NEDg Description generation batch_69b5d0e2a6948190999ce89edfd3922c completed March 14, 2026, 9:19 p.m.
NED2 Entity disambiguation (via description) batch_69b5d11b84ac8190a19015567d4c135a completed March 14, 2026, 9:20 p.m.
Created at: March 8, 2026, 3:26 p.m.