Triple

T5525194
Position Surface form Disambiguated ID Type / Status
Subject Colorado-Big Thompson Project E144905 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object Green Mountain Powerplant
Green Mountain Powerplant is a hydroelectric generating facility in Colorado that produces power as part of the Colorado-Big Thompson water storage and delivery system.
E530099 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: Green Mountain Powerplant | Statement: [Colorado-Big Thompson Project, hasHydropowerPlant, Green Mountain Powerplant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Mountain Powerplant
Context triple: [Colorado-Big Thompson Project, hasHydropowerPlant, Green Mountain Powerplant]
  • A. Salem Harbor Power Station
    Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
  • 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. Vermont Yankee Nuclear Power Corporation
    Vermont Yankee Nuclear Power Corporation was the owner and operator of the Vermont Yankee nuclear power plant and a key party in the landmark U.S. Supreme Court case Vermont Yankee Nuclear Power Corp. v. NRDC, which shaped administrative law and regulatory procedure.
  • D. Alexander Generating Station
    Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • E. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • 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: Green Mountain Powerplant
Triple: [Colorado-Big Thompson Project, hasHydropowerPlant, Green Mountain Powerplant]
Generated description
Green Mountain Powerplant is a hydroelectric generating facility in Colorado that produces power as part of the Colorado-Big Thompson water storage and delivery system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Mountain Powerplant
Target entity description: Green Mountain Powerplant is a hydroelectric generating facility in Colorado that produces power as part of the Colorado-Big Thompson water storage and delivery system.
  • A. Salem Harbor Power Station
    Salem Harbor Power Station is a former coal- and oil-fired power plant in Salem, Massachusetts, that was a prominent industrial feature of the city’s waterfront before its decommissioning and redevelopment.
  • 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. Vermont Yankee Nuclear Power Corporation
    Vermont Yankee Nuclear Power Corporation was the owner and operator of the Vermont Yankee nuclear power plant and a key party in the landmark U.S. Supreme Court case Vermont Yankee Nuclear Power Corp. v. NRDC, which shaped administrative law and regulatory procedure.
  • D. Alexander Generating Station
    Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • E. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • 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_69c01f874bd081909cccfc25767ee6fa completed March 22, 2026, 4:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69c027fa22108190b55c07fe930ca4f1 completed March 22, 2026, 5:33 p.m.
NEDg Description generation batch_69c040a395488190bea2fd651c3aeef7 completed March 22, 2026, 7:18 p.m.
NED2 Entity disambiguation (via description) batch_69c04141ea408190aba1463d56ad6b7d completed March 22, 2026, 7:21 p.m.
Created at: March 22, 2026, 3:34 p.m.