Triple
T22543215
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rantembe Dam |
E557348
|
entity |
| Predicate | isPartOfCascade |
P73944
|
FINISHED |
| Object | Mahaweli hydropower cascade |
—
|
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: Mahaweli hydropower cascade | Statement: [Rantembe Dam, isPartOfCascade, Mahaweli hydropower cascade]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mahaweli hydropower cascade Context triple: [Rantembe Dam, isPartOfCascade, Mahaweli hydropower cascade]
-
A.
Mahaweli Ganga Hydropower Complex
chosen
The Mahaweli Ganga Hydropower Complex is a major Sri Lankan hydroelectric scheme on the Mahaweli River, comprising multiple dams and power stations that form a key component of the country’s electricity generation and water management system.
-
B.
Samanalawewa Hydroelectric Scheme
The Samanalawewa Hydroelectric Scheme is a major hydroelectric power project in Sri Lanka that uses the Samanalawewa Reservoir to generate electricity for the national grid.
-
C.
Mahaweli Development Programme
The Mahaweli Development Programme is a major Sri Lankan national initiative focused on river basin development, including large-scale irrigation, hydropower generation, and agricultural expansion centered around the Mahaweli River.
-
D.
Idamalayar Hydroelectric Project
Idamalayar Hydroelectric Project is a major hydroelectric power station in Kerala, India, that harnesses the waters of the Periyar River to generate electricity.
-
E.
Laxapana Hydropower Complex
Laxapana Hydropower Complex is a major hydroelectric power generation facility in Sri Lanka, utilizing the waters of the Kelani River to supply electricity to the national grid.
- 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.