Triple

T15353844
Position Surface form Disambiguated ID Type / Status
Subject Bonnechere River E367120 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object Fourth Chute generating station
The Fourth Chute generating station is a hydroelectric power facility located on the Bonnechere River in Ontario, Canada, that harnesses the river’s flow to produce electricity.
 E1151541 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: Fourth Chute generating station | Statement: [Bonnechere River, hasHydroelectricDam, Fourth Chute generating station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fourth Chute generating station
Context triple: [Bonnechere River, hasHydroelectricDam, Fourth Chute generating station]
  • A. La Grande-4 generating station
    La Grande-4 generating station is a major hydroelectric power plant in Quebec, Canada, that forms part of Hydro-Québec’s large James Bay Project.
  • B. La Grande-3 generating station
    La Grande-3 generating station is a major hydroelectric power plant in Quebec, Canada, that forms part of Hydro-Québec’s large James Bay Project.
  • C. 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.
  • D. La Grande-1 generating station
    La Grande-1 generating station is a hydroelectric power plant in Quebec, Canada, that forms part of Hydro-Québec’s large James Bay Project on the La Grande River.
  • 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: Fourth Chute generating station
Triple: [Bonnechere River, hasHydroelectricDam, Fourth Chute generating station]
Generated description
The Fourth Chute generating station is a hydroelectric power facility located on the Bonnechere River in Ontario, Canada, that harnesses the river’s flow to produce electricity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fourth Chute generating station
Target entity description: The Fourth Chute generating station is a hydroelectric power facility located on the Bonnechere River in Ontario, Canada, that harnesses the river’s flow to produce electricity.
  • A. La Grande-4 generating station
    La Grande-4 generating station is a major hydroelectric power plant in Quebec, Canada, that forms part of Hydro-Québec’s large James Bay Project.
  • B. La Grande-3 generating station
    La Grande-3 generating station is a major hydroelectric power plant in Quebec, Canada, that forms part of Hydro-Québec’s large James Bay Project.
  • C. 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.
  • D. La Grande-1 generating station
    La Grande-1 generating station is a hydroelectric power plant in Quebec, Canada, that forms part of Hydro-Québec’s large James Bay Project on the La Grande River.
  • 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_69d85a1355608190a6673ddb67231d54 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e2a8e88819093e4b7479b2c80cd completed April 16, 2026, 1:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff01ff42d48190897e6653d2b4f8a4 completed May 9, 2026, 9:44 a.m.
NEDg Description generation batch_69ff036cf4c481909eaab72ee97fbf6c completed May 9, 2026, 9:50 a.m.
NED2 Entity disambiguation (via description) batch_69ff03d829d48190990412a84f4376dc completed May 9, 2026, 9:52 a.m.
Created at: April 10, 2026, 3:18 a.m.