Triple
T15400187
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tiruvallur district |
E368292
|
entity |
| Predicate | hasReservoir |
P1025
|
FINISHED |
| Object |
Poondi reservoir
Poondi reservoir is a major water storage facility in Tamil Nadu, India, that serves as an important source of drinking water for the city of Chennai.
|
E1154956
|
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: Poondi reservoir | Statement: [Tiruvallur district, hasReservoir, Poondi reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Poondi reservoir Context triple: [Tiruvallur district, hasReservoir, Poondi reservoir]
-
A.
Priyadarshini Jurala Reservoir
Priyadarshini Jurala Reservoir is a major water storage body in Telangana, India, created by the Priyadarshini Jurala Project on the Krishna River for irrigation, power generation, and regional water supply.
-
B.
Manjira Reservoir
Manjira Reservoir is a freshwater lake in Telangana, India, that serves as a key source of drinking water and a vital habitat for diverse aquatic and bird life.
-
C.
Orathuppalayam Dam
Orathuppalayam Dam is a reservoir and irrigation structure built across the Noyyal River in Tamil Nadu, India, primarily used for water storage and agricultural purposes.
-
D.
Parambikulam Dam
Parambikulam Dam is a major embankment dam in Kerala, India, known for its role in irrigation, hydroelectric power generation, and as part of the Parambikulam-Aliyar Project.
-
E.
Silent Valley Reservoir
Silent Valley Reservoir is a major man-made lake in County Down, Northern Ireland, built in the Mourne Mountains to supply drinking water to the surrounding region.
- 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: Poondi reservoir Triple: [Tiruvallur district, hasReservoir, Poondi reservoir]
Generated description
Poondi reservoir is a major water storage facility in Tamil Nadu, India, that serves as an important source of drinking water for the city of Chennai.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Poondi reservoir Target entity description: Poondi reservoir is a major water storage facility in Tamil Nadu, India, that serves as an important source of drinking water for the city of Chennai.
-
A.
Priyadarshini Jurala Reservoir
Priyadarshini Jurala Reservoir is a major water storage body in Telangana, India, created by the Priyadarshini Jurala Project on the Krishna River for irrigation, power generation, and regional water supply.
-
B.
Manjira Reservoir
Manjira Reservoir is a freshwater lake in Telangana, India, that serves as a key source of drinking water and a vital habitat for diverse aquatic and bird life.
-
C.
Orathuppalayam Dam
Orathuppalayam Dam is a reservoir and irrigation structure built across the Noyyal River in Tamil Nadu, India, primarily used for water storage and agricultural purposes.
-
D.
Parambikulam Dam
Parambikulam Dam is a major embankment dam in Kerala, India, known for its role in irrigation, hydroelectric power generation, and as part of the Parambikulam-Aliyar Project.
-
E.
Silent Valley Reservoir
Silent Valley Reservoir is a major man-made lake in County Down, Northern Ireland, built in the Mourne Mountains to supply drinking water to the surrounding region.
- 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_69d85a16c68c819099c1b547fbc87b32 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03e8d89e08190b7cae778d89fb5e1 |
completed | April 16, 2026, 1:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff13567e3481908eb6293c6af35f3a |
completed | May 9, 2026, 10:58 a.m. |
| NEDg | Description generation | batch_69ff144af00481909191a2d33874c195 |
completed | May 9, 2026, 11:02 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff15ae7c9c81909fd0894e48e5b5b1 |
completed | May 9, 2026, 11:08 a.m. |
Created at: April 10, 2026, 3:19 a.m.