Triple
T6078082
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ancient City of Polonnaruwa |
E135451
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Parakrama Samudra (Parakrama Samudraya) reservoir
Parakrama Samudra (Parakrama Samudraya) is a vast ancient irrigation reservoir in Sri Lanka, renowned as a masterpiece of hydraulic engineering built during the reign of King Parakramabahu I.
|
E567631
|
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: Parakrama Samudra (Parakrama Samudraya) reservoir | Statement: [Ancient City of Polonnaruwa, hasStructure, Parakrama Samudra (Parakrama Samudraya) reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Parakrama Samudra (Parakrama Samudraya) reservoir Context triple: [Ancient City of Polonnaruwa, hasStructure, Parakrama Samudra (Parakrama Samudraya) reservoir]
-
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.
Kandy Lake
Kandy Lake is an artificial lake in the heart of Kandy, Sri Lanka, known for its scenic setting amid the city’s historic and religious landmarks.
-
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.
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.
-
E.
Jaffna Lagoon
Jaffna Lagoon is a large coastal lagoon in northern Sri Lanka known for its rich biodiversity, fishing grounds, and importance to the local Jaffna Peninsula communities.
- 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: Parakrama Samudra (Parakrama Samudraya) reservoir Triple: [Ancient City of Polonnaruwa, hasStructure, Parakrama Samudra (Parakrama Samudraya) reservoir]
Generated description
Parakrama Samudra (Parakrama Samudraya) is a vast ancient irrigation reservoir in Sri Lanka, renowned as a masterpiece of hydraulic engineering built during the reign of King Parakramabahu I.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Parakrama Samudra (Parakrama Samudraya) reservoir Target entity description: Parakrama Samudra (Parakrama Samudraya) is a vast ancient irrigation reservoir in Sri Lanka, renowned as a masterpiece of hydraulic engineering built during the reign of King Parakramabahu I.
-
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.
Kandy Lake
Kandy Lake is an artificial lake in the heart of Kandy, Sri Lanka, known for its scenic setting amid the city’s historic and religious landmarks.
-
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.
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.
-
E.
Jaffna Lagoon
Jaffna Lagoon is a large coastal lagoon in northern Sri Lanka known for its rich biodiversity, fishing grounds, and importance to the local Jaffna Peninsula communities.
- 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_69c0087ad31c8190ab936e0ff28614b6 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c057706d9881909b52093282593886 |
completed | March 22, 2026, 8:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c11d48f0508190991453dc17c53b89 |
completed | March 23, 2026, 11 a.m. |
| NEDg | Description generation | batch_69c11ed5a5748190b7320890397c8ce9 |
completed | March 23, 2026, 11:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c11f34218c819094ce32eafff37489 |
completed | March 23, 2026, 11:08 a.m. |
Created at: March 22, 2026, 4:11 p.m.