Triple
T5901655
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Highlands of Sri Lanka |
E131239
|
entity |
| Predicate | isWatershedFor |
P17416
|
FINISHED |
| Object | Mahaweli River |
E130902
|
NE FINISHED |
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: Mahaweli River | Statement: [Central Highlands of Sri Lanka, isWatershedFor, Mahaweli River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mahaweli River Context triple: [Central Highlands of Sri Lanka, isWatershedFor, Mahaweli River]
-
A.
Mahaweli River
chosen
The Mahaweli River is the longest river in Sri Lanka, playing a crucial role in the country’s irrigation, agriculture, and hydroelectric power generation.
-
B.
Bahuda River
Bahuda River is a small east-flowing river in southern India that runs through Andhra Pradesh and Odisha before emptying into the Bay of Bengal.
-
C.
Nadi River
The Nadi River is a significant river in western Fiji that flows through the town of Nadi before emptying into the Pacific Ocean, influencing local agriculture, settlement, and flood patterns.
-
D.
Tawi River
The Tawi River is a major river flowing through the Jammu region of India, playing a vital role in the area's ecology, agriculture, and water supply.
-
E.
Feni River
The Feni River is a transboundary river in South Asia that flows through the Indian state of Tripura into Bangladesh before emptying into the Bay of Bengal.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isWatershedFor Context triple: [Central Highlands of Sri Lanka, isWatershedFor, Mahaweli River]
-
A.
hasWatershed
chosen
Indicates that one geographic area or feature is part of, drains into, or is hydrologically defined by a particular watershed.
-
B.
hasWatershedWith
Indicates that two geographic areas share or are associated with the same watershed or drainage basin.
-
C.
hasWatershedCharacteristic
Indicates that a watershed possesses a specified characteristic, feature, or property.
-
D.
watershedBetween
Indicates that a geographic feature or boundary serves as the dividing line between two drainage basins or river systems.
-
E.
watershedType
Indicates the classification or category of a watershed associated with an entity (e.g., by hydrologic, ecological, or management type).
- F. None of above.
Provenance (4 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_69c0085864a88190a569c05ff7d65f29 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0400f1af881908d376ea4793f6dea |
completed | March 22, 2026, 7:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0c0076cd88190b10e51c52dcc6a2e |
completed | March 23, 2026, 4:22 a.m. |
| PD | Predicate disambiguation | batch_69c0334dc8248190b7394dcece362d52 |
completed | March 22, 2026, 6:22 p.m. |
Created at: March 22, 2026, 3:58 p.m.