Triple

T3354304
Position Surface form Disambiguated ID Type / Status
Subject Derwent River E70569 entity
Predicate hasTributary P415 FINISHED
Object Meadowbank Lake (impounded section)
Meadowbank Lake (impounded section) is a man-made reservoir on the Derwent River in Tasmania, Australia, primarily used for hydroelectric power generation and water storage.
 E351785 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: Meadowbank Lake (impounded section) | Statement: [Derwent River, hasTributary, Meadowbank Lake (impounded section)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Meadowbank Lake (impounded section)
Context triple: [Derwent River, hasTributary, Meadowbank Lake (impounded section)]
  • A. Germiston Lake
    Germiston Lake is a popular recreational lake in Germiston, South Africa, known for water sports, picnicking, and outdoor leisure activities.
  • B. Recreation Lagoon
    Recreation Lagoon is a popular man-made, saltwater swimming area in Darwin’s Waterfront Precinct, offering safe, stinger-free swimming and leisure facilities for locals and visitors.
  • C. Burnaby Lake
    Burnaby Lake is a large urban freshwater lake and surrounding regional park in Burnaby, British Columbia, known for its wetlands, wildlife habitat, and recreational trails.
  • D. Blenheim Lake
    Blenheim Lake is an ornamental lake in the grounds of Blenheim Palace in Oxfordshire, England, forming a central feature of its landscaped parkland.
  • E. Hillview Reservoir
    Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
  • 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: Meadowbank Lake (impounded section)
Triple: [Derwent River, hasTributary, Meadowbank Lake (impounded section)]
Generated description
Meadowbank Lake (impounded section) is a man-made reservoir on the Derwent River in Tasmania, Australia, primarily used for hydroelectric power generation and water storage.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Meadowbank Lake (impounded section)
Target entity description: Meadowbank Lake (impounded section) is a man-made reservoir on the Derwent River in Tasmania, Australia, primarily used for hydroelectric power generation and water storage.
  • A. Germiston Lake
    Germiston Lake is a popular recreational lake in Germiston, South Africa, known for water sports, picnicking, and outdoor leisure activities.
  • B. Recreation Lagoon
    Recreation Lagoon is a popular man-made, saltwater swimming area in Darwin’s Waterfront Precinct, offering safe, stinger-free swimming and leisure facilities for locals and visitors.
  • C. Burnaby Lake
    Burnaby Lake is a large urban freshwater lake and surrounding regional park in Burnaby, British Columbia, known for its wetlands, wildlife habitat, and recreational trails.
  • D. Blenheim Lake
    Blenheim Lake is an ornamental lake in the grounds of Blenheim Palace in Oxfordshire, England, forming a central feature of its landscaped parkland.
  • E. Milnerton Lagoon
    Milnerton Lagoon is a coastal lagoon near Cape Town, South Africa, where the Diep River meets the Atlantic Ocean, known for its scenic views and 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_69ad85a4ef7c8190a29e2bbd6fa454e4 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb24036848190bac779d17dfdce3b completed March 8, 2026, 5:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69b325373a1c8190b26d883e2f0dd92b completed March 12, 2026, 8:42 p.m.
NEDg Description generation batch_69b329016c7c819098b494ae5d712036 completed March 12, 2026, 8:58 p.m.
NED2 Entity disambiguation (via description) batch_69b329aca800819091f287a2f00557a2 completed March 12, 2026, 9:01 p.m.
Created at: March 8, 2026, 3:13 p.m.