Triple
T9082776
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oti River basin |
E217673
|
entity |
| Predicate | hasSedimentContributionTo |
P2051
|
FINISHED |
| Object | Lake Volta |
E132468
|
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: Lake Volta | Statement: [Oti River basin, hasSedimentContributionTo, Lake Volta]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Volta Context triple: [Oti River basin, hasSedimentContributionTo, Lake Volta]
-
A.
Lake Volta
chosen
Lake Volta is one of the world’s largest artificial reservoirs by surface area, created by the Akosombo Dam on the Volta River in Ghana.
-
B.
Lake Victoria
Lake Victoria is a vast freshwater lake in East Africa, bordered by Tanzania, Uganda, and Kenya, and is renowned as the world’s largest tropical lake and a vital regional resource.
-
C.
Lake Afrera
Lake Afrera is a hypersaline lake in Ethiopia’s Afar Depression, known for its extreme heat, low elevation below sea level, and surrounding volcanic landscape.
-
D.
Lake Turkana
Lake Turkana is a large, saline lake in Kenya’s arid north, renowned for its striking turquoise waters, rich biodiversity, and significant archaeological sites along its shores.
-
E.
Lake Tana
Lake Tana is Ethiopia’s largest lake and the primary source of the Blue Nile, renowned for its island monasteries and ecological importance in the Ethiopian Highlands.
- 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: hasSedimentContributionTo Context triple: [Oti River basin, hasSedimentContributionTo, Lake Volta]
-
A.
hasSedimentsThat
Indicates that one entity contains, includes, or is associated with specific sediments described by the related entity.
-
B.
hasSedimentLoad
Indicates that one entity (typically a water body or flow) carries or transports a certain amount or type of sediment associated with another entity.
-
C.
typeOfSedimentation
Indicates the specific kind or process of sediment deposition or settling that characterizes how sediment accumulates in a given context.
-
D.
sedimentSource
chosen
Indicates that one entity serves as the origin or provider of sediment that is transported to or deposited in another entity.
-
E.
causeOfSediment
Indicates that one entity is the source or generating factor responsible for the formation or presence of sediment in another entity or location.
- 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_69ca83d7a0388190ba1af89ed7ba36f9 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cc960a2760819084aab611eb1c43a9 |
completed | April 1, 2026, 3:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d04781c4d08190b91d02fa43fa57e0 |
completed | April 3, 2026, 11:04 p.m. |
| PD | Predicate disambiguation | batch_69cc65fa79bc81908b46f05c8bba920f |
completed | April 1, 2026, 12:25 a.m. |
Created at: March 30, 2026, 7:13 p.m.