Triple

T19887718
Position Surface form Disambiguated ID Type / Status
Subject Victoria Reservoir E477945 entity
Predicate operator P179 FINISHED
Object Ceylon Electricity Board — NE NERFINISHED

How this triple was built (2 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: [Victoria Reservoir, operator, Ceylon Electricity Board]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ceylon Electricity Board
Context triple: [Victoria Reservoir, operator, Ceylon Electricity Board]
  • A. Ceylon Electricity Board chosen
    The Ceylon Electricity Board is Sri Lanka’s state-owned utility responsible for electricity generation, transmission, and distribution across the country.
  • B. Sri Lanka Railways
    Sri Lanka Railways is the state-owned national railway operator of Sri Lanka, providing passenger and freight rail services across the country.
  • C. Sri Lanka Ports Authority
    The Sri Lanka Ports Authority is the state-owned agency responsible for managing and developing Sri Lanka’s major commercial seaports and related maritime infrastructure.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d8e51f32b08190b3687f4f60353250 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6590b12c08190bf44a3f3b2cb9122 completed April 20, 2026, 4:49 p.m.
Created at: April 10, 2026, 1:52 p.m.