Triple
T22420718
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maduru Oya |
E554238
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Maduru Oya Dam |
—
|
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: Maduru Oya Dam | Statement: [Maduru Oya, hasPart, Maduru Oya Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maduru Oya Dam Context triple: [Maduru Oya, hasPart, Maduru Oya Dam]
-
A.
Randenigala Dam
Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
-
B.
Polgolla Dam
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.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Maduru Oya Dam Target entity description: Maduru Oya Dam is a major irrigation and hydroengineering structure in Sri Lanka that helps store and regulate the waters of the Maduru Oya for agriculture and water supply.
-
A.
Randenigala Dam
Randenigala Dam is a major hydroelectric and irrigation dam in Sri Lanka, forming part of the Mahaweli Development Programme and creating the Randenigala Reservoir.
-
B.
Polgolla Dam
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.
-
C.
Maduru Oya Reservoir
chosen
Maduru Oya Reservoir is a major irrigation and water storage reservoir in Sri Lanka, central to the Maduru Oya irrigation and wildlife conservation region.
-
D.
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.
-
E.
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.
- F. None of above.
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_69e11e4f2d0c819091aa3558ea2ee630 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f1594b08d88190bb61a30397d0ffa5 |
completed | April 29, 2026, 1:05 a.m. |
Created at: April 16, 2026, 8:46 p.m.