Triple

T9642411
Position Surface form Disambiguated ID Type / Status
Subject McClure Dam E233104 entity
Predicate partOf P40 FINISHED
Object Dead River hydroelectric system
The Dead River hydroelectric system is a network of dams and power stations on Maine’s Dead River that generates hydroelectric power and helps regulate regional water levels.
 E812259 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: Dead River hydroelectric system | Statement: [McClure Dam, partOf, Dead River hydroelectric system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Dead River hydroelectric system
Context triple: [McClure Dam, partOf, Dead River hydroelectric system]
  • A. Nunn hydroelectric plant
    The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
  • B. Churchill River hydroelectric system
    The Churchill River hydroelectric system is a large-scale network of dams, reservoirs, and power stations in Labrador, Canada, developed to harness the Churchill River’s flow for electricity generation.
  • C. Flix hydroelectric plant
    The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
  • D. Snake River hydropower system
    The Snake River hydropower system is a network of dams and related infrastructure along the Snake River that generates hydroelectric power, supports irrigation, and influences regional water management and ecosystems in the Pacific Northwest.
  • E. Cushman Hydroelectric Project
    The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
  • 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: Dead River hydroelectric system
Triple: [McClure Dam, partOf, Dead River hydroelectric system]
Generated description
The Dead River hydroelectric system is a network of dams and power stations on Maine’s Dead River that generates hydroelectric power and helps regulate regional water levels.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Dead River hydroelectric system
Target entity description: The Dead River hydroelectric system is a network of dams and power stations on Maine’s Dead River that generates hydroelectric power and helps regulate regional water levels.
  • A. Nunn hydroelectric plant
    The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
  • B. Churchill River hydroelectric system
    The Churchill River hydroelectric system is a large-scale network of dams, reservoirs, and power stations in Labrador, Canada, developed to harness the Churchill River’s flow for electricity generation.
  • C. Flix hydroelectric plant
    The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
  • D. Snake River hydropower system
    The Snake River hydropower system is a network of dams and related infrastructure along the Snake River that generates hydroelectric power, supports irrigation, and influences regional water management and ecosystems in the Pacific Northwest.
  • E. Cushman Hydroelectric Project
    The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
  • 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_69ca848a5a908190aad251f4137b0c3a completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9b7cda388190a38f96d78085f404 completed April 1, 2026, 10:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69d18252c1cc81908d33c9c55d645fbf completed April 4, 2026, 9:27 p.m.
NEDg Description generation batch_69d18324756c819089eb7edc107ed8b2 completed April 4, 2026, 9:31 p.m.
NED2 Entity disambiguation (via description) batch_69d1856b88908190a787765e1d8f001f completed April 4, 2026, 9:40 p.m.
Created at: March 30, 2026, 8:12 p.m.