Triple
T23237917
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mahaweli Ganga |
E581353
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object | Polgolla Dam |
—
|
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 Dam | Statement: [Mahaweli Ganga, hasDam, Polgolla Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Polgolla Dam Context triple: [Mahaweli Ganga, hasDam, Polgolla Dam]
-
A.
Polgolla Dam
chosen
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.
-
B.
Idamalayar Dam
Idamalayar Dam is a major multipurpose concrete gravity dam in Kerala, India, built across the Idamalayar River (a tributary of the Periyar) for hydroelectric power generation, irrigation, and flood control.
-
C.
Pavana Dam
Pavana Dam is a major masonry dam in Maharashtra, India, built on the Pavana River to provide water supply, irrigation, and hydroelectric power to the surrounding region.
-
D.
Kulamavu Dam
Kulamavu Dam is a masonry gravity dam in Kerala, India, forming part of the Idukki Hydroelectric Project and helping create one of Asia’s largest arch dam reservoirs.
-
E.
Saccarappa Dam
Saccarappa Dam is a hydroelectric and former industrial dam located on the Presumpscot River in Westbrook, Maine.
- 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_69e2460556f88190be1744a84a84173f |
completed | April 17, 2026, 2:39 p.m. |
| NER | Named-entity recognition | batch_69f192ea590c81908cd677d89f67d49f |
completed | April 29, 2026, 5:11 a.m. |
Created at: April 17, 2026, 4:09 p.m.