Triple

T19540287
Position Surface form Disambiguated ID Type / Status
Subject Samanalawewa Reservoir E488879 entity
Predicate operator P179 FINISHED
Object Ceylon Electricity Board — 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: Ceylon Electricity Board | Statement: [Samanalawewa Reservoir, operator, Ceylon Electricity Board]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ceylon Electricity Board
Context triple: [Samanalawewa Reservoir, operator, Ceylon Electricity Board]
  • A. Tamil Nadu Generation and Distribution Corporation Limited
    Tamil Nadu Generation and Distribution Corporation Limited is the state-owned utility responsible for electricity generation and distribution across the Indian state of Tamil Nadu.
  • B. Tamil Nadu Transmission Corporation Limited
    Tamil Nadu Transmission Corporation Limited is the state-owned utility responsible for operating and maintaining the high-voltage electricity transmission network in Tamil Nadu, India.
  • C. National Power Corporation
    The National Power Corporation is a Philippine government-owned corporation responsible for power generation and electrification, particularly in missionary and off-grid areas.
  • D. North South Power Company Limited
    North South Power Company Limited is a Nigerian private power generation company best known for managing and operating major hydroelectric assets such as the Shiroro Hydroelectric Power Station.
  • E. Taiwan Power Company
    Taiwan Power Company is Taiwan’s state-owned electric power utility responsible for generating, transmitting, and distributing electricity across the island.
  • 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: Ceylon Electricity Board
Target entity description: The Ceylon Electricity Board is Sri Lanka’s state-owned utility responsible for electricity generation, transmission, and distribution across the country.
  • A. Tamil Nadu Generation and Distribution Corporation Limited
    Tamil Nadu Generation and Distribution Corporation Limited is the state-owned utility responsible for electricity generation and distribution across the Indian state of Tamil Nadu.
  • B. Tamil Nadu Transmission Corporation Limited
    Tamil Nadu Transmission Corporation Limited is the state-owned utility responsible for operating and maintaining the high-voltage electricity transmission network in Tamil Nadu, India.
  • C. National Power Corporation
    The National Power Corporation is a Philippine government-owned corporation responsible for power generation and electrification, particularly in missionary and off-grid areas.
  • D. North South Power Company Limited
    North South Power Company Limited is a Nigerian private power generation company best known for managing and operating major hydroelectric assets such as the Shiroro Hydroelectric Power Station.
  • E. Taiwan Power Company
    Taiwan Power Company is Taiwan’s state-owned electric power utility responsible for generating, transmitting, and distributing electricity across the island.
  • 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_69d8e8db5b6c8190984b61f91981f575 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e63871d00881909ed7371ae5577957 completed April 20, 2026, 2:30 p.m.
Created at: April 10, 2026, 1:41 p.m.