Triple
T22543202
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rantembe Dam |
E557348
|
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: [Rantembe Dam, operator, Ceylon Electricity Board]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ceylon Electricity Board Context triple: [Rantembe Dam, 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.
Mahaweli Authority of Sri Lanka
The Mahaweli Authority of Sri Lanka is a government agency responsible for managing the Mahaweli River development program, including large-scale irrigation, hydropower generation, and associated regional development projects.
-
C.
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.
-
D.
Cargills (Ceylon) PLC
Cargills (Ceylon) PLC is a leading Sri Lankan conglomerate best known for its extensive supermarket chain, food manufacturing, and retail operations across the country.
-
E.
Ministry of Power and Energy of Sri Lanka
The Ministry of Power and Energy of Sri Lanka is the central government body responsible for formulating and implementing national policies on electricity generation, energy resources, and power infrastructure across the country.
- 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_69e11e58662081909ae346ab384514ca |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15f33c9cc819086d098f36e4121dc |
completed | April 29, 2026, 1:30 a.m. |
Created at: April 16, 2026, 8:51 p.m.