Triple
T23237923
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mahaweli Ganga |
E581353
|
entity |
| Predicate | hasReservoir |
P1025
|
FINISHED |
| Object | Randenigala Reservoir |
—
|
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: Randenigala Reservoir | Statement: [Mahaweli Ganga, hasReservoir, Randenigala Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Randenigala Reservoir Context triple: [Mahaweli Ganga, hasReservoir, Randenigala Reservoir]
-
A.
Nuwara Wewa reservoir
Nuwara Wewa reservoir is an ancient man-made tank in Anuradhapura, Sri Lanka, built to support large-scale irrigation and sustain the early Sinhalese civilization.
-
B.
Maduru Oya Reservoir
Maduru Oya Reservoir is a major irrigation and water storage reservoir in Sri Lanka, central to the Maduru Oya irrigation and wildlife conservation region.
-
C.
Randenigala Dam
chosen
Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
-
D.
Parakrama Samudra (Parakrama Samudraya) reservoir
Parakrama Samudra (Parakrama Samudraya) is a vast ancient irrigation reservoir in Sri Lanka, renowned as a masterpiece of hydraulic engineering built during the reign of King Parakramabahu I.
-
E.
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.
- 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.