Triple

T4015915
Position Surface form Disambiguated ID Type / Status
Subject Klamath River E90756 entity
Predicate hasDam P8736 FINISHED
Object 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.
E405781 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: Copco Dam No. 1 | Statement: [Klamath River, hasDam, Copco Dam No. 1]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Copco Dam No. 1
Context triple: [Klamath River, hasDam, Copco Dam No. 1]
  • A. La Mesa Dam
    La Mesa Dam is a major water reservoir in Quezon City, Philippines, that supplies a significant portion of Metro Manila’s drinking water.
  • B. San Carlos Dam
    San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
  • C. Stanislaus Afterbay Dam
    Stanislaus Afterbay Dam is a water-control structure on California’s Stanislaus River that forms an afterbay used for regulating river flows and supporting irrigation and hydropower operations.
  • D. Colbún Dam
    Colbún Dam is a major hydroelectric dam in Chile that generates power from the Maule River and plays a key role in the country’s energy supply.
  • E. Coolidge Dam
    Coolidge Dam is a large concrete multiple-arch dam in Arizona that impounds the Gila River to form San Carlos Lake for irrigation, flood control, and water storage.
  • 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: Copco Dam No. 1
Triple: [Klamath River, hasDam, Copco Dam No. 1]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Copco Dam No. 1
Target entity description: 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.
  • A. La Mesa Dam
    La Mesa Dam is a major water reservoir in Quezon City, Philippines, that supplies a significant portion of Metro Manila’s drinking water.
  • B. San Carlos Dam
    San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
  • C. Stanislaus Afterbay Dam
    Stanislaus Afterbay Dam is a water-control structure on California’s Stanislaus River that forms an afterbay used for regulating river flows and supporting irrigation and hydropower operations.
  • D. Colbún Dam
    Colbún Dam is a major hydroelectric dam in Chile that generates power from the Maule River and plays a key role in the country’s energy supply.
  • E. Coolidge Dam
    Coolidge Dam is a large concrete multiple-arch dam in Arizona that impounds the Gila River to form San Carlos Lake for irrigation, flood control, and water storage.
  • 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_69aed95e44088190aff7d90a151b1b20 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefaa7352481908232534c89a698e7 completed March 9, 2026, 4:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69b54c768e5481908b184332e3c73588 completed March 14, 2026, 11:54 a.m.
NEDg Description generation batch_69b54d06c7c881908b30ba813c009d25 completed March 14, 2026, 11:56 a.m.
NED2 Entity disambiguation (via description) batch_69b54d739e588190b23c06b10b4f540e completed March 14, 2026, 11:58 a.m.
Created at: March 9, 2026, 3:35 p.m.