Triple
T22087792
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Walawe Ganga |
E545827
|
entity |
| Predicate | hydropowerPlant |
P15311
|
FINISHED |
| Object | Udawalawe Hydropower Station |
—
|
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: Udawalawe Hydropower Station | Statement: [Walawe Ganga, hydropowerPlant, Udawalawe Hydropower Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Udawalawe Hydropower Station Context triple: [Walawe Ganga, hydropowerPlant, Udawalawe Hydropower Station]
-
A.
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.
-
B.
Randenigala Dam
Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
-
C.
Udawalawe Reservoir
Udawalawe Reservoir is a large man-made lake in southern Sri Lanka, known for its scenic landscapes and proximity to Udawalawe National Park, a major wildlife and elephant-watching destination.
-
D.
Kotmale Hydroelectric Power Station
Kotmale Hydroelectric Power Station is a major Sri Lankan hydroelectric facility that harnesses the waters of the Mahaweli River to generate electricity as part of the country's largest river basin development scheme.
-
E.
Samanalawewa Power Station
Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
- 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: Udawalawe Hydropower Station Target entity description: Udawalawe Hydropower Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Walawe River.
-
A.
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.
-
B.
Randenigala Dam
Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
-
C.
Udawalawe Reservoir
chosen
Udawalawe Reservoir is a large man-made lake in southern Sri Lanka, known for its scenic landscapes and proximity to Udawalawe National Park, a major wildlife and elephant-watching destination.
-
D.
Kotmale Hydroelectric Power Station
Kotmale Hydroelectric Power Station is a major Sri Lankan hydroelectric facility that harnesses the waters of the Mahaweli River to generate electricity as part of the country's largest river basin development scheme.
-
E.
Samanalawewa Power Station
Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
- F. None of above.
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_69e11e36d03c8190a83a1ba802b7231b |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f128e3a98481908a7b3dc3f2a90276 |
completed | April 28, 2026, 9:38 p.m. |
Created at: April 16, 2026, 8:29 p.m.