Triple
T22543176
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Polgolla Dam |
E557347
|
entity |
| Predicate | feeds |
P9008
|
FINISHED |
| Object | Polgolla Hydropower Station |
—
|
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: Polgolla Hydropower Station | Statement: [Polgolla Dam, feeds, Polgolla Hydropower Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Polgolla Hydropower Station Context triple: [Polgolla Dam, feeds, Polgolla Hydropower Station]
-
A.
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.
-
B.
Ganguwal Power House
Ganguwal Power House is a hydroelectric power station in Punjab, India, that generates electricity using water released from the Bhakra–Nangal dam system.
-
C.
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.
-
D.
Polgolla Dam
Polgolla Dam is a key diversion dam in Sri Lanka that channels water from the Mahaweli River for irrigation, hydropower generation, and regional water management.
-
E.
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.
- 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.