Triple

T5520408
Position Surface form Disambiguated ID Type / Status
Subject Deerfield River E144790 entity
Predicate hasDam P8736 FINISHED
Object Bear Swamp Pumped Storage Project
Bear Swamp Pumped Storage Project is a hydroelectric pumped-storage power facility in Massachusetts that stores and generates electricity by moving water between an upper and lower reservoir on the Deerfield River.
E532430 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: Bear Swamp Pumped Storage Project | Statement: [Deerfield River, hasDam, Bear Swamp Pumped Storage Project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bear Swamp Pumped Storage Project
Context triple: [Deerfield River, hasDam, Bear Swamp Pumped Storage Project]
  • A. Blenheim-Gilboa Pumped Storage Power Project
    Blenheim-Gilboa Pumped Storage Power Project is a large hydroelectric pumped-storage facility in New York State that stores and generates electricity by moving water between two reservoirs to help balance the power grid.
  • B. Lewiston Pump-Generating Plant
    The Lewiston Pump-Generating Plant is a hydroelectric pumped-storage facility near Niagara Falls that works in tandem with the Robert Moses Niagara Power Plant to balance electricity supply and demand.
  • C. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • D. Ohakuri Power Station
    Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
  • E. Niagara Falls AC power project
    The Niagara Falls AC power project was a pioneering late-19th-century hydroelectric installation that demonstrated the practicality of long-distance alternating current transmission and helped establish AC as the dominant standard for electric power systems.
  • 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: Bear Swamp Pumped Storage Project
Triple: [Deerfield River, hasDam, Bear Swamp Pumped Storage Project]
Generated description
Bear Swamp Pumped Storage Project is a hydroelectric pumped-storage power facility in Massachusetts that stores and generates electricity by moving water between an upper and lower reservoir on the Deerfield River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bear Swamp Pumped Storage Project
Target entity description: Bear Swamp Pumped Storage Project is a hydroelectric pumped-storage power facility in Massachusetts that stores and generates electricity by moving water between an upper and lower reservoir on the Deerfield River.
  • A. Blenheim-Gilboa Pumped Storage Power Project
    Blenheim-Gilboa Pumped Storage Power Project is a large hydroelectric pumped-storage facility in New York State that stores and generates electricity by moving water between two reservoirs to help balance the power grid.
  • B. Lewiston Pump-Generating Plant
    The Lewiston Pump-Generating Plant is a hydroelectric pumped-storage facility near Niagara Falls that works in tandem with the Robert Moses Niagara Power Plant to balance electricity supply and demand.
  • C. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • D. Ohakuri Power Station
    Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
  • E. Niagara Falls AC power project
    The Niagara Falls AC power project was a pioneering late-19th-century hydroelectric installation that demonstrated the practicality of long-distance alternating current transmission and helped establish AC as the dominant standard for electric power systems.
  • 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_69c008f873a481909b4d9f7e2db3c37d completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c01f7082ac8190a372fa75e8dec6a4 completed March 22, 2026, 4:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69c027e995e88190833762cb94a781cc completed March 22, 2026, 5:33 p.m.
NEDg Description generation batch_69c03f8b6e948190870b98d6d69193fe completed March 22, 2026, 7:14 p.m.
NED2 Entity disambiguation (via description) batch_69c0404aedc08190a9b146466486be6e completed March 22, 2026, 7:17 p.m.
Created at: March 22, 2026, 3:33 p.m.