Triple

T22543207
Position Surface form Disambiguated ID Type / Status
Subject Rantembe Dam E557348 entity
Predicate hasHydroelectricPlant P15311 FINISHED
Object Rantembe Power Station
Rantembe Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Rantembe Dam on the Mahaweli River.
 E1542547 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: Rantembe Power Station | Statement: [Rantembe Dam, hasHydroelectricPlant, Rantembe Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rantembe Power Station
Context triple: [Rantembe Dam, hasHydroelectricPlant, Rantembe Power Station]
  • A. Kiira Power Station
    Kiira Power Station is a major hydroelectric power plant on the Nile River in Uganda that significantly contributes to the country’s electricity generation.
  • B. Atiamuri Power Station
    Atiamuri Power Station is a hydroelectric power station in New Zealand that generates electricity from the flow of the Waikato River.
  • C. Nalubaale Power Station
    Nalubaale Power Station is a major hydroelectric power plant in Uganda, located at the outlet of Lake Victoria on the Victoria Nile near Jinja.
  • D. Matimba Power Station
    Matimba Power Station is a large coal-fired power plant in South Africa and one of the key facilities in the country’s electricity generation network.
  • E. Wayatinah Power Station
    Wayatinah Power Station is a hydroelectric power facility in Tasmania, Australia, that generates electricity using water from the Derwent River 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: Rantembe Power Station
Triple: [Rantembe Dam, hasHydroelectricPlant, Rantembe Power Station]
Generated description
Rantembe Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Rantembe Dam on the Mahaweli River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rantembe Power Station
Target entity description: Rantembe Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Rantembe Dam on the Mahaweli River.
  • A. Kiira Power Station
    Kiira Power Station is a major hydroelectric power plant on the Nile River in Uganda that significantly contributes to the country’s electricity generation.
  • B. Atiamuri Power Station
    Atiamuri Power Station is a hydroelectric power station in New Zealand that generates electricity from the flow of the Waikato River.
  • C. Nalubaale Power Station
    Nalubaale Power Station is a major hydroelectric power plant in Uganda, located at the outlet of Lake Victoria on the Victoria Nile near Jinja.
  • D. Matimba Power Station
    Matimba Power Station is a large coal-fired power plant in South Africa and one of the key facilities in the country’s electricity generation network.
  • E. Wayatinah Power Station
    Wayatinah Power Station is a hydroelectric power facility in Tasmania, Australia, that generates electricity using water from the Derwent River system.
  • 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_69e11e58662081909ae346ab384514ca completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15f33c9cc819086d098f36e4121dc completed April 29, 2026, 1:30 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b1de9005c8190865ce7c0042c073c completed May 18, 2026, 2:10 p.m.
NEDg Description generation batch_6a0b2560f8b08190aaba573e06d38d55 completed May 18, 2026, 2:42 p.m.
NED2 Entity disambiguation (via description) batch_6a0b2729328481908faf3f88acfc9de1 completed May 18, 2026, 2:50 p.m.
Created at: April 16, 2026, 8:51 p.m.