Triple

T7718522
Position Surface form Disambiguated ID Type / Status
Subject Moses–Saunders Power Dam E174947 entity
Predicate hasPart P35 FINISHED
Object R. H. Saunders Generating Station
R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
 E684405 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: R. H. Saunders Generating Station | Statement: [Moses–Saunders Power Dam, hasPart, R. H. Saunders Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: R. H. Saunders Generating Station
Context triple: [Moses–Saunders Power Dam, hasPart, R. H. Saunders Generating Station]
  • A. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • B. Long Spruce Generating Station
    Long Spruce Generating Station is a large hydroelectric power plant in northern Manitoba, Canada, that forms part of the Nelson River generating system supplying electricity to the province and beyond.
  • C. 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.
  • D. 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.
  • E. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • 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: R. H. Saunders Generating Station
Triple: [Moses–Saunders Power Dam, hasPart, R. H. Saunders Generating Station]
Generated description
R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: R. H. Saunders Generating Station
Target entity description: R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
  • A. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • B. Long Spruce Generating Station
    Long Spruce Generating Station is a large hydroelectric power plant in northern Manitoba, Canada, that forms part of the Nelson River generating system supplying electricity to the province and beyond.
  • C. 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.
  • D. 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.
  • E. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • 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_69c6995c463c8190a14458036249d419 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c702ebb7448190ae8d47fe0cbb0907 completed March 27, 2026, 10:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8b510650481908d65838108a2d632 completed March 29, 2026, 5:13 a.m.
NEDg Description generation batch_69c8b6bfb96881908d0e82d3efa1e6e2 completed March 29, 2026, 5:21 a.m.
NED2 Entity disambiguation (via description) batch_69c8b7359cf48190b48782e2eabd5e6d completed March 29, 2026, 5:23 a.m.
Created at: March 27, 2026, 4:05 p.m.