Triple

T14193975
Position Surface form Disambiguated ID Type / Status
Subject Meadowbank Lake (impounded section) E351785 entity
Predicate operator P179 FINISHED
Object Hydro Tasmania
Hydro Tasmania is Australia's largest producer of renewable energy, primarily generating hydroelectric power from Tasmania's extensive network of dams and power stations.
E1085265 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: Hydro Tasmania | Statement: [Meadowbank Lake (impounded section), operator, Hydro Tasmania]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hydro Tasmania
Context triple: [Meadowbank Lake (impounded section), operator, Hydro Tasmania]
  • A. Snowy Hydro Scheme
    The Snowy Hydro Scheme is a large-scale hydroelectricity and irrigation complex in Australia’s Snowy Mountains, renowned as one of the country’s most significant engineering projects.
  • B. Burrinjuck Power Station
    Burrinjuck Power Station is a hydroelectric power facility in New South Wales, Australia, that generates electricity using water from Burrinjuck Dam on the Murrumbidgee River.
  • C. Ross River Dam
    Ross River Dam is a major water storage and flood mitigation structure near Townsville in Queensland, Australia, supplying drinking water and helping protect the region from flooding.
  • D. Victoria Dam
    Victoria Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Victoria Reservoir on the Mahaweli River.
  • E. Manapouri Power Station
    Manapouri Power Station is a large underground hydroelectric power station in Fiordland, New Zealand, renowned for harnessing the waters of Lake Manapouri to generate electricity, primarily for the Tiwai Point aluminium smelter.
  • 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: Hydro Tasmania
Triple: [Meadowbank Lake (impounded section), operator, Hydro Tasmania]
Generated description
Hydro Tasmania is Australia's largest producer of renewable energy, primarily generating hydroelectric power from Tasmania's extensive network of dams and power stations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hydro Tasmania
Target entity description: Hydro Tasmania is Australia's largest producer of renewable energy, primarily generating hydroelectric power from Tasmania's extensive network of dams and power stations.
  • A. Snowy Hydro Scheme
    The Snowy Hydro Scheme is a large-scale hydroelectricity and irrigation complex in Australia’s Snowy Mountains, renowned as one of the country’s most significant engineering projects.
  • B. Burrinjuck Power Station
    Burrinjuck Power Station is a hydroelectric power facility in New South Wales, Australia, that generates electricity using water from Burrinjuck Dam on the Murrumbidgee River.
  • C. Ross River Dam
    Ross River Dam is a major water storage and flood mitigation structure near Townsville in Queensland, Australia, supplying drinking water and helping protect the region from flooding.
  • D. Victoria Dam
    Victoria Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Victoria Reservoir on the Mahaweli River.
  • E. Manapouri Power Station
    Manapouri Power Station is a large underground hydroelectric power station in Fiordland, New Zealand, renowned for harnessing the waters of Lake Manapouri to generate electricity, primarily for the Tiwai Point aluminium smelter.
  • 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_69d827894ac0819097803e57f3227b23 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de61e0a52081908213aa6e548d4418 completed April 14, 2026, 3:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd194951d481909a8e81f2d09feefa completed May 7, 2026, 10:59 p.m.
NEDg Description generation batch_69fd1b2ace9c8190a7458e5c43a3c3d6 completed May 7, 2026, 11:07 p.m.
NED2 Entity disambiguation (via description) batch_69fd1c61b994819081dcc92ae33772ed completed May 7, 2026, 11:12 p.m.
Created at: April 10, 2026, 1:04 a.m.