Triple
T20216667
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Usumbura |
E495144
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Lake Tanganyika |
—
|
NE NERFINISHED |
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: Lake Tanganyika | Statement: [Usumbura, locatedOn, Lake Tanganyika]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Tanganyika Context triple: [Usumbura, locatedOn, Lake Tanganyika]
-
A.
Lake Tanganyika
chosen
Lake Tanganyika is one of the African Great Lakes, renowned as one of the world’s deepest and oldest freshwater lakes, spanning several countries in East and Central Africa.
-
B.
Tanganyika
Tanganyika is a conflict-affected province in the southeastern Democratic Republic of the Congo, known for ethnic tensions, humanitarian crises, and the presence of UN peacekeeping operations.
-
C.
Tanganyika
Tanganyika was a former British-administered territory in East Africa that gained independence in 1961 and later united with Zanzibar to form the modern nation of Tanzania.
-
D.
Lake Malawi
Lake Malawi is one of Africa’s largest and deepest freshwater lakes, renowned for its exceptional biodiversity, especially its hundreds of endemic cichlid fish species.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69da626cff80819097b530718a7c98b6 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66eda2f188190adf39d895e8b99f2 |
completed | April 20, 2026, 6:22 p.m. |
Created at: April 11, 2026, 11:39 p.m.