Triple

T21889855
Position Surface form Disambiguated ID Type / Status
Subject Kelani Ganga E540509 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object Old Laxapana Power Station — NE NERFINISHED

How this triple was built (3 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: Old Laxapana Power Station | Statement: [Kelani Ganga, hasHydropowerPlant, Old Laxapana Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Old Laxapana Power Station
Context triple: [Kelani Ganga, hasHydropowerPlant, Old Laxapana Power Station]
  • A. Samanalawewa Power Station
    Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
  • B. Markaba power station
    Markaba power station is a hydroelectric facility in Lebanon that harnesses the flow of the Litani River to generate electricity.
  • C. Liapootah Power Station
    Liapootah Power Station is a hydroelectric power facility in Tasmania, Australia, that forms part of the state's extensive Derwent River power scheme.
  • D. Wayatinah Power Station
    Wayatinah Power Station is a hydroelectric power facility in Tasmania, Australia, that generates electricity using water from the Derwent River system.
  • E. Ohaaki Power Station
    Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Old Laxapana Power Station
Target entity description: Old Laxapana Power Station is a historic hydroelectric power plant in Sri Lanka that harnesses the flow of the Kelani River to generate electricity.
  • A. Samanalawewa Power Station
    Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
  • B. Markaba power station
    Markaba power station is a hydroelectric facility in Lebanon that harnesses the flow of the Litani River to generate electricity.
  • C. Liapootah Power Station
    Liapootah Power Station is a hydroelectric power facility in Tasmania, Australia, that forms part of the state's extensive Derwent River power scheme.
  • D. Wayatinah Power Station
    Wayatinah Power Station is a hydroelectric power facility in Tasmania, Australia, that generates electricity using water from the Derwent River system.
  • E. Ohaaki Power Station
    Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
  • F. None of above. chosen

Provenance (2 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_69e0c47a95908190ae3e19b716accb3d completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f118ef2b648190bbd78f6b3958d2ee completed April 28, 2026, 8:30 p.m.
Created at: April 16, 2026, 7:06 p.m.