Triple

T21889857
Position Surface form Disambiguated ID Type / Status
Subject Kelani Ganga E540509 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object Canyon Power Station
Canyon Power Station is a hydroelectric power facility located on Sri Lanka’s Kelani River, contributing to the country’s renewable energy generation.
E1507141 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: Canyon Power Station | Statement: [Kelani Ganga, hasHydropowerPlant, Canyon Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Canyon Power Station
Context triple: [Kelani Ganga, hasHydropowerPlant, Canyon Power Station]
  • A. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • B. 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.
  • C. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • D. Nymboida Power Station
    Nymboida Power Station is a small hydroelectric power plant in New South Wales, Australia, that generates electricity using water from the Nymboida River.
  • E. Sual Power Station
    Sual Power Station is a large coal-fired power plant in the Philippines and one of the country’s major sources of electricity.
  • 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: Canyon Power Station
Triple: [Kelani Ganga, hasHydropowerPlant, Canyon Power Station]
Generated description
Canyon Power Station is a hydroelectric power facility located on Sri Lanka’s Kelani River, contributing to the country’s renewable energy generation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Canyon Power Station
Target entity description: Canyon Power Station is a hydroelectric power facility located on Sri Lanka’s Kelani River, contributing to the country’s renewable energy generation.
  • A. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • B. 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.
  • C. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • D. Nymboida Power Station
    Nymboida Power Station is a small hydroelectric power plant in New South Wales, Australia, that generates electricity using water from the Nymboida River.
  • E. Sual Power Station
    Sual Power Station is a large coal-fired power plant in the Philippines and one of the country’s major sources of electricity.
  • 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_69e0c47a95908190ae3e19b716accb3d completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f118ef2b648190bbd78f6b3958d2ee completed April 28, 2026, 8:30 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a52bd7064819082a40b8c41240880 completed May 17, 2026, 11:43 p.m.
NEDg Description generation batch_6a0a56cc4d7081909d4d82acff2d787d completed May 18, 2026, 12:01 a.m.
NED2 Entity disambiguation (via description) batch_6a0a5775bba4819083357b518589be41 completed May 18, 2026, 12:04 a.m.
Created at: April 16, 2026, 7:06 p.m.