Triple
T19540296
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Samanalawewa Reservoir |
E488879
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Walawe River basin |
—
|
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: Walawe River basin | Statement: [Samanalawewa Reservoir, locatedOn, Walawe River basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Walawe River basin Context triple: [Samanalawewa Reservoir, locatedOn, Walawe River basin]
-
A.
Mwenezi River basin
The Mwenezi River basin is a drainage area in southern Africa that collects and channels the waters of the Mwenezi River and its tributaries across parts of Zimbabwe and Mozambique.
-
B.
Manyame River basin
The Manyame River basin is a river catchment area in northern Zimbabwe that drains into the Zambezi River and supports surrounding rural districts, agriculture, and water supply.
-
C.
Thlewiaza River basin
The Thlewiaza River basin is a sub-basin in northern Canada whose waters ultimately drain into Hudson Bay.
-
D.
Mrassu River basin
The Mrassu River basin is a river drainage area in southwestern Siberia, Russia, known as part of the traditional homeland of the Shor people.
-
E.
Rega River basin
The Rega River basin is the drainage area of the Rega River in northwestern Poland, encompassing the river’s tributaries, surrounding landscapes, and towns such as Schievelbein (Świdwin).
- 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: Walawe River basin Target entity description: The Walawe River basin is a major river catchment area in southern Sri Lanka, supporting irrigation, hydropower, and agriculture across a largely rural landscape.
-
A.
Mwenezi River basin
The Mwenezi River basin is a drainage area in southern Africa that collects and channels the waters of the Mwenezi River and its tributaries across parts of Zimbabwe and Mozambique.
-
B.
Manyame River basin
The Manyame River basin is a river catchment area in northern Zimbabwe that drains into the Zambezi River and supports surrounding rural districts, agriculture, and water supply.
-
C.
Thlewiaza River basin
The Thlewiaza River basin is a sub-basin in northern Canada whose waters ultimately drain into Hudson Bay.
-
D.
Mrassu River basin
The Mrassu River basin is a river drainage area in southwestern Siberia, Russia, known as part of the traditional homeland of the Shor people.
-
E.
Rega River basin
The Rega River basin is the drainage area of the Rega River in northwestern Poland, encompassing the river’s tributaries, surrounding landscapes, and towns such as Schievelbein (Świdwin).
- F. None of above. chosen
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_69d8e8db5b6c8190984b61f91981f575 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e63871d00881909ed7371ae5577957 |
completed | April 20, 2026, 2:30 p.m. |
Created at: April 10, 2026, 1:41 p.m.