Triple
T1302258
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ganges-Brahmaputra-Meghna river system |
E27792
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Meghna basin |
E33378
|
NE FINISHED |
How this triple was built (2 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: Meghna basin | Statement: [Ganges-Brahmaputra-Meghna river system, partOf, Meghna basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Meghna basin Context triple: [Ganges-Brahmaputra-Meghna river system, partOf, Meghna basin]
-
A.
Meghna
chosen
Meghna is a major river in Bangladesh that forms one of the principal distributaries of the Ganges–Brahmaputra river system before emptying into the Bay of Bengal.
-
B.
Ganges-Brahmaputra-Meghna river system
The Ganges-Brahmaputra-Meghna river system is one of the world’s largest and most densely populated river basins, spanning the Himalayas to the Bay of Bengal and supporting hundreds of millions of people in South Asia.
-
C.
Jamuna River
The Jamuna River is the main distributary channel of the Brahmaputra in Bangladesh, forming one of the country’s largest and most dynamic river systems.
-
D.
Manas River
The Manas River is a transboundary river flowing through Bhutan and India, renowned for its rich biodiversity and the Manas Wildlife Sanctuary, a UNESCO World Heritage Site along its banks.
-
E.
Salween River
The Salween River is a major river in Southeast Asia that flows from the Tibetan Plateau through China and Myanmar to the Andaman Sea, known for its largely undammed, wild course and rich biodiversity.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a496d6682881909ba658f1c1e0e2b0 |
completed | March 1, 2026, 7:43 p.m. |
| NER | Named-entity recognition | batch_69a4c115ba64819081c55fa6807e19ef |
completed | March 1, 2026, 10:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad36f6d9288190ad64dc1bc9e9f8c1 |
completed | March 8, 2026, 8:44 a.m. |
Created at: March 1, 2026, 7:51 p.m.