Triple
T21889864
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kelani Ganga |
E540509
|
entity |
| Predicate | hasTributary |
P415
|
FINISHED |
| Object | Gurugoda Oya |
—
|
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: Gurugoda Oya | Statement: [Kelani Ganga, hasTributary, Gurugoda Oya]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gurugoda Oya Context triple: [Kelani Ganga, hasTributary, Gurugoda Oya]
-
A.
Maduru Oya
Maduru Oya is a major river in Sri Lanka known for its irrigation reservoir and surrounding national park rich in wildlife and dry-zone ecosystems.
-
B.
Punagala Oya
Punagala Oya is a river in Sri Lanka that feeds the scenic Diyaluma Falls, one of the country’s tallest and most famous waterfalls.
-
C.
Galewela
Galewela is a town in Sri Lanka’s Central Province, known as an agricultural hub within the Matale District.
-
D.
Ruhuna
Ruhuna is an ancient historical region in southern Sri Lanka, known for its early Sinhalese kingdoms and rich archaeological heritage.
-
E.
Kaduwela
Kaduwela is a rapidly developing suburban town in Sri Lanka’s Western Province, situated near Colombo and known for its growing residential and commercial significance.
- 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: Gurugoda Oya Target entity description: Gurugoda Oya is a river in Sri Lanka that serves as a significant tributary within the Kelani River basin.
-
A.
Maduru Oya
Maduru Oya is a major river in Sri Lanka known for its irrigation reservoir and surrounding national park rich in wildlife and dry-zone ecosystems.
-
B.
Punagala Oya
Punagala Oya is a river in Sri Lanka that feeds the scenic Diyaluma Falls, one of the country’s tallest and most famous waterfalls.
-
C.
Galewela
Galewela is a town in Sri Lanka’s Central Province, known as an agricultural hub within the Matale District.
-
D.
Ruhuna
Ruhuna is an ancient historical region in southern Sri Lanka, known for its early Sinhalese kingdoms and rich archaeological heritage.
-
E.
Kaduwela
Kaduwela is a rapidly developing suburban town in Sri Lanka’s Western Province, situated near Colombo and known for its growing residential and commercial significance.
- 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_69e0c47a95908190ae3e19b716accb3d |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118ef2b648190bbd78f6b3958d2ee |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:06 p.m.