Triple
T21889860
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kelani Ganga |
E540509
|
entity |
| Predicate | hasTributary |
P415
|
FINISHED |
| Object | Kehelgamu 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: Kehelgamu Oya | Statement: [Kelani Ganga, hasTributary, Kehelgamu Oya]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kehelgamu Oya Context triple: [Kelani Ganga, hasTributary, Kehelgamu Oya]
-
A.
Kala Oya
Kala Oya is one of Sri Lanka’s major rivers, flowing through the country’s dry zone and supporting irrigation, agriculture, and local ecosystems.
-
B.
Belihul Oya
Belihul Oya is a scenic river in Sri Lanka’s hill country, known for its cool climate, waterfalls, and popularity as an eco-tourism and adventure destination.
-
C.
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.
-
D.
Wellawatte
Wellawatte is a densely populated coastal suburb of Colombo, Sri Lanka, known for its vibrant commercial activity and ethnically diverse community.
-
E.
Kotmale Oya
Kotmale Oya is a major river in central Sri Lanka that flows through the hill country and feeds into the Mahaweli River, contributing significantly to the region’s hydropower and irrigation systems.
- 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: Kehelgamu Oya Target entity description: Kehelgamu Oya is a river in Sri Lanka that serves as a significant tributary contributing to the flow of the Kelani Ganga.
-
A.
Kala Oya
Kala Oya is one of Sri Lanka’s major rivers, flowing through the country’s dry zone and supporting irrigation, agriculture, and local ecosystems.
-
B.
Belihul Oya
Belihul Oya is a scenic river in Sri Lanka’s hill country, known for its cool climate, waterfalls, and popularity as an eco-tourism and adventure destination.
-
C.
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.
-
D.
Wellawatte
Wellawatte is a densely populated coastal suburb of Colombo, Sri Lanka, known for its vibrant commercial activity and ethnically diverse community.
-
E.
Kotmale Oya
Kotmale Oya is a major river in central Sri Lanka that flows through the hill country and feeds into the Mahaweli River, contributing significantly to the region’s hydropower and irrigation systems.
- 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.