Triple

T16698591
Position Surface form Disambiguated ID Type / Status
Subject Klamath River dam removal project E405782 entity
Predicate includesDam P1393 FINISHED
Object Copco No. 2 Dam — 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: Copco No. 2 Dam | Statement: [Klamath River dam removal project, includesDam, Copco No. 2 Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Copco No. 2 Dam
Context triple: [Klamath River dam removal project, includesDam, Copco No. 2 Dam]
  • A. Copco Dam No. 1
    Copco Dam No. 1 is a hydroelectric dam on the Klamath River in northern California, historically used for power generation and now central to regional river restoration and dam removal efforts.
  • B. Del Valle Dam
    Del Valle Dam is a major earthfill dam in Alameda County, California, that creates Lake Del Valle for water storage, flood control, and recreation.
  • C. Escaba Dam
    Escaba Dam is a hydroelectric and irrigation dam located on the Salí River in Tucumán Province, Argentina.
  • D. Abiquiu Dam
    Abiquiu Dam is a major earthen flood-control and water-storage dam on the Rio Chama in northern New Mexico, forming Abiquiu Lake and supporting regional water management and recreation.
  • E. Camanche Dam
    Camanche Dam is a large earth-fill dam in California that creates Camanche Reservoir on the Mokelumne River for water storage, flood control, 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: Copco No. 2 Dam
Target entity description: Copco No. 2 Dam is a small hydroelectric dam on the Klamath River in northern California that is slated for removal as part of a major river restoration effort.
  • A. Copco Dam No. 1
    Copco Dam No. 1 is a hydroelectric dam on the Klamath River in northern California, historically used for power generation and now central to regional river restoration and dam removal efforts.
  • B. Del Valle Dam
    Del Valle Dam is a major earthfill dam in Alameda County, California, that creates Lake Del Valle for water storage, flood control, and recreation.
  • C. Escaba Dam
    Escaba Dam is a hydroelectric and irrigation dam located on the Salí River in Tucumán Province, Argentina.
  • D. Abiquiu Dam
    Abiquiu Dam is a major earthen flood-control and water-storage dam on the Rio Chama in northern New Mexico, forming Abiquiu Lake and supporting regional water management and recreation.
  • E. Camanche Dam
    Camanche Dam is a large earth-fill dam in California that creates Camanche Reservoir on the Mokelumne River for water storage, flood control, 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_69d8838db21081909589220fd71440a4 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e3832f550c8190bf7514d4611dec6a completed April 18, 2026, 1:12 p.m.
Created at: April 10, 2026, 5:19 a.m.