Triple

T19887741
Position Surface form Disambiguated ID Type / Status
Subject Victoria Reservoir E477945 entity
Predicate isMajorComponentOf P28620 FINISHED
Object Sri Lanka national grid hydropower system
The Sri Lanka national grid hydropower system is the country’s interconnected network of major hydroelectric dams and power stations that generate and supply a significant share of its electricity demand.
 E1400301 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: Sri Lanka national grid hydropower system | Statement: [Victoria Reservoir, isMajorComponentOf, Sri Lanka national grid hydropower system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sri Lanka national grid hydropower system
Context triple: [Victoria Reservoir, isMajorComponentOf, Sri Lanka national grid hydropower system]
  • A. Samanalawewa Hydroelectric Scheme
    The Samanalawewa Hydroelectric Scheme is a major hydroelectric power project in Sri Lanka that uses the Samanalawewa Reservoir to generate electricity for the national grid.
  • B. Idamalayar Hydroelectric Project
    Idamalayar Hydroelectric Project is a major hydroelectric power station in Kerala, India, that harnesses the waters of the Periyar River to generate electricity.
  • C. Samanalawewa Power Station
    Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
  • D. Sri Lankan inland waterways system
    The Sri Lankan inland waterways system is an interconnected network of canals, rivers, and lakes used historically and presently for transport, irrigation, and regional trade across Sri Lanka.
  • E. Maule hydropower complex
    The Maule hydropower complex is a system of hydroelectric facilities on Chile’s Maule River that generates electricity by harnessing the river’s flow.
  • 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: Sri Lanka national grid hydropower system
Triple: [Victoria Reservoir, isMajorComponentOf, Sri Lanka national grid hydropower system]
Generated description
The Sri Lanka national grid hydropower system is the country’s interconnected network of major hydroelectric dams and power stations that generate and supply a significant share of its electricity demand.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sri Lanka national grid hydropower system
Target entity description: The Sri Lanka national grid hydropower system is the country’s interconnected network of major hydroelectric dams and power stations that generate and supply a significant share of its electricity demand.
  • A. Samanalawewa Hydroelectric Scheme
    The Samanalawewa Hydroelectric Scheme is a major hydroelectric power project in Sri Lanka that uses the Samanalawewa Reservoir to generate electricity for the national grid.
  • B. Idamalayar Hydroelectric Project
    Idamalayar Hydroelectric Project is a major hydroelectric power station in Kerala, India, that harnesses the waters of the Periyar River to generate electricity.
  • C. Samanalawewa Power Station
    Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
  • D. Sri Lankan inland waterways system
    The Sri Lankan inland waterways system is an interconnected network of canals, rivers, and lakes used historically and presently for transport, irrigation, and regional trade across Sri Lanka.
  • E. Maule hydropower complex
    The Maule hydropower complex is a system of hydroelectric facilities on Chile’s Maule River that generates electricity by harnessing the river’s flow.
  • 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_69d8e51f32b08190b3687f4f60353250 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6590b12c08190bf44a3f3b2cb9122 completed April 20, 2026, 4:49 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07dbd16ff08190b03caa3b20478ef4 completed May 16, 2026, 2:52 a.m.
NEDg Description generation batch_6a07dd4080a48190adc444976042bfa8 completed May 16, 2026, 2:58 a.m.
NED2 Entity disambiguation (via description) batch_6a07de09b21c8190a9743ee145a3d9b7 completed May 16, 2026, 3:01 a.m.
Created at: April 10, 2026, 1:52 p.m.