Triple

T17810353
Position Surface form Disambiguated ID Type / Status
Subject Duncan River E444682 entity
Predicate hasManMadeStructure P1495 FINISHED
Object Duncan Lake Reservoir
Duncan Lake Reservoir is a man-made lake on the Duncan River in British Columbia, Canada, created for hydroelectric power generation and water storage as part of the Columbia River Treaty system.
 E1291901 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: Duncan Lake Reservoir | Statement: [Duncan River, hasManMadeStructure, Duncan Lake Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Duncan Lake Reservoir
Context triple: [Duncan River, hasManMadeStructure, Duncan Lake Reservoir]
  • A. Island Lake Reservoir
    Island Lake Reservoir is a man-made lake in Ontario, Canada, used for recreation, wildlife habitat, and water management within the Island Lake Conservation Area.
  • B. Clinton Reservoir
    Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
  • C. Muscoot Reservoir
    Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
  • D. John H. Kerr Reservoir
    John H. Kerr Reservoir is a large man-made lake on the Roanoke River along the North Carolina–Virginia border, widely used for hydroelectric power, flood control, and recreation.
  • E. R. L. Harris Reservoir
    R. L. Harris Reservoir is a man-made lake in east-central Alabama popular for fishing, boating, and other recreational activities.
  • 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: Duncan Lake Reservoir
Triple: [Duncan River, hasManMadeStructure, Duncan Lake Reservoir]
Generated description
Duncan Lake Reservoir is a man-made lake on the Duncan River in British Columbia, Canada, created for hydroelectric power generation and water storage as part of the Columbia River Treaty system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Duncan Lake Reservoir
Target entity description: Duncan Lake Reservoir is a man-made lake on the Duncan River in British Columbia, Canada, created for hydroelectric power generation and water storage as part of the Columbia River Treaty system.
  • A. Island Lake Reservoir
    Island Lake Reservoir is a man-made lake in Ontario, Canada, used for recreation, wildlife habitat, and water management within the Island Lake Conservation Area.
  • B. Clinton Reservoir
    Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
  • C. Muscoot Reservoir
    Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
  • D. John H. Kerr Reservoir
    John H. Kerr Reservoir is a large man-made lake on the Roanoke River along the North Carolina–Virginia border, widely used for hydroelectric power, flood control, and recreation.
  • E. R. L. Harris Reservoir
    R. L. Harris Reservoir is a man-made lake in east-central Alabama popular for fishing, boating, and other recreational activities.
  • 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_69d8b9f0de78819099395b14db75a8a6 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4887a50488190b9c148146ec607e6 completed April 19, 2026, 7:47 a.m.
NED1 Entity disambiguation (via context triple) batch_6a030c5557788190bfd7b9af6d8d3035 completed May 12, 2026, 11:17 a.m.
NEDg Description generation batch_6a030cf60a9c8190903b3b563238b575 completed May 12, 2026, 11:20 a.m.
NED2 Entity disambiguation (via description) batch_6a030d8a3a1c81909e311d19201bbd42 completed May 12, 2026, 11:22 a.m.
Created at: April 10, 2026, 10:14 a.m.