Triple

T5887611
Position Surface form Disambiguated ID Type / Status
Subject Mahaweli River E130902 entity
Predicate majorHydropowerPlant P15311 FINISHED
Object Kotmale Hydroelectric Power Station
Kotmale Hydroelectric Power Station is a major Sri Lankan hydroelectric facility that harnesses the waters of the Mahaweli River to generate electricity as part of the country's largest river basin development scheme.
 E554234 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: Kotmale Hydroelectric Power Station | Statement: [Mahaweli River, majorHydropowerPlant, Kotmale Hydroelectric Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kotmale Hydroelectric Power Station
Context triple: [Mahaweli River, majorHydropowerPlant, Kotmale Hydroelectric Power Station]
  • A. Kurpsai Hydroelectric Power Plant
    Kurpsai Hydroelectric Power Plant is a major hydroelectric facility in Kyrgyzstan that generates electricity by harnessing the flow of the Naryn River.
  • B. Karuma Hydropower Station
    Karuma Hydropower Station is a major hydroelectric power plant in Uganda that harnesses the flow of the Victoria Nile to generate electricity for the national grid.
  • C. Vogelgrun hydroelectric power station
    The Vogelgrun hydroelectric power station is a run-of-river hydroelectric facility on the Rhine in eastern France, contributing to regional electricity generation and navigation management.
  • D. Plavinas Hydroelectric Power Plant
    Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
  • E. Vamma power station
    Vamma power station is a major hydroelectric power plant in Norway, harnessing the flow of the Glomma River to generate renewable energy.
  • 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: Kotmale Hydroelectric Power Station
Triple: [Mahaweli River, majorHydropowerPlant, Kotmale Hydroelectric Power Station]
Generated description
Kotmale Hydroelectric Power Station is a major Sri Lankan hydroelectric facility that harnesses the waters of the Mahaweli River to generate electricity as part of the country's largest river basin development scheme.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kotmale Hydroelectric Power Station
Target entity description: Kotmale Hydroelectric Power Station is a major Sri Lankan hydroelectric facility that harnesses the waters of the Mahaweli River to generate electricity as part of the country's largest river basin development scheme.
  • A. Kurpsai Hydroelectric Power Plant
    Kurpsai Hydroelectric Power Plant is a major hydroelectric facility in Kyrgyzstan that generates electricity by harnessing the flow of the Naryn River.
  • B. Karuma Hydropower Station
    Karuma Hydropower Station is a major hydroelectric power plant in Uganda that harnesses the flow of the Victoria Nile to generate electricity for the national grid.
  • C. Vogelgrun hydroelectric power station
    The Vogelgrun hydroelectric power station is a run-of-river hydroelectric facility on the Rhine in eastern France, contributing to regional electricity generation and navigation management.
  • D. Plavinas Hydroelectric Power Plant
    Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
  • E. Vamma power station
    Vamma power station is a major hydroelectric power plant in Norway, harnessing the flow of the Glomma River to generate renewable energy.
  • 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_69c0085628dc8190b334c1b44c067efc completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c049fbc57481908299d1955692c76b completed March 22, 2026, 7:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0b141a93081908ad4a64f9a96dce4 completed March 23, 2026, 3:19 a.m.
NEDg Description generation batch_69c0b22d661c8190a055abd3ca6fa92f completed March 23, 2026, 3:23 a.m.
NED2 Entity disambiguation (via description) batch_69c0b608a10881908c9bca7d09a99b05 completed March 23, 2026, 3:39 a.m.
Created at: March 22, 2026, 3:57 p.m.