Triple
T21889855
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kelani Ganga |
E540509
|
entity |
| Predicate | hasHydropowerPlant |
P15311
|
FINISHED |
| Object |
Old Laxapana Power Station
Old Laxapana Power Station is a historic hydroelectric power plant in Sri Lanka that harnesses the flow of the Kelani River to generate electricity.
|
E1507140
|
NE FINISHED |
How this triple was built (4 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: Old Laxapana Power Station | Statement: [Kelani Ganga, hasHydropowerPlant, Old Laxapana Power Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Old Laxapana Power Station Context triple: [Kelani Ganga, hasHydropowerPlant, Old Laxapana Power Station]
-
A.
Samanalawewa Power Station
Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
-
B.
Markaba power station
Markaba power station is a hydroelectric facility in Lebanon that harnesses the flow of the Litani River to generate electricity.
-
C.
Liapootah Power Station
Liapootah Power Station is a hydroelectric power facility in Tasmania, Australia, that forms part of the state's extensive Derwent River power scheme.
-
D.
Wayatinah Power Station
Wayatinah Power Station is a hydroelectric power facility in Tasmania, Australia, that generates electricity using water from the Derwent River system.
-
E.
Ohaaki Power Station
Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Old Laxapana Power Station Triple: [Kelani Ganga, hasHydropowerPlant, Old Laxapana Power Station]
Generated description
Old Laxapana Power Station is a historic hydroelectric power plant in Sri Lanka that harnesses the flow of the Kelani River to generate electricity.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Old Laxapana Power Station Target entity description: Old Laxapana Power Station is a historic hydroelectric power plant in Sri Lanka that harnesses the flow of the Kelani River to generate electricity.
-
A.
Samanalawewa Power Station
Samanalawewa Power Station is a hydroelectric power facility in Sri Lanka that generates electricity using water from the Samanalawewa Reservoir.
-
B.
Markaba power station
Markaba power station is a hydroelectric facility in Lebanon that harnesses the flow of the Litani River to generate electricity.
-
C.
Liapootah Power Station
Liapootah Power Station is a hydroelectric power facility in Tasmania, Australia, that forms part of the state's extensive Derwent River power scheme.
-
D.
Wayatinah Power Station
Wayatinah Power Station is a hydroelectric power facility in Tasmania, Australia, that generates electricity using water from the Derwent River system.
-
E.
Ohaaki Power Station
Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
- F. None of above. chosen
Provenance (5 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. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0a52bd7064819082a40b8c41240880 |
completed | May 17, 2026, 11:43 p.m. |
| NEDg | Description generation | batch_6a0a56cc4d7081909d4d82acff2d787d |
completed | May 18, 2026, 12:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0a5775bba4819083357b518589be41 |
completed | May 18, 2026, 12:04 a.m. |
Created at: April 16, 2026, 7:06 p.m.