Triple
T11579401
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sapele |
E274585
|
entity |
| Predicate | locatedInGeographicFeature |
P30683
|
FINISHED |
| Object | Niger Delta sedimentary basin |
E10120
|
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: Niger Delta sedimentary basin | Statement: [Sapele, locatedInGeographicFeature, Niger Delta sedimentary basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Niger Delta sedimentary basin Context triple: [Sapele, locatedInGeographicFeature, Niger Delta sedimentary basin]
-
A.
Niger Delta
chosen
The Niger Delta is a vast, oil-rich coastal region in southern Nigeria known for its complex network of creeks and mangrove swamps, significant petroleum production, and associated environmental and social challenges.
-
B.
Mozambique Basin
The Mozambique Basin is a large submarine sedimentary basin in the western Indian Ocean off the coast of Mozambique, known for its deep-water geology and hydrocarbon potential.
-
C.
Somali Basin
The Somali Basin is a deep oceanic basin in the western Indian Ocean off the coast of East Africa, known for its complex tectonic setting and significant role in regional ocean circulation.
-
D.
Bights of Benin and Biafra
The Bights of Benin and Biafra are two adjacent large embayments on the northern coast of the Gulf of Guinea in West Africa, historically significant as major hubs of Atlantic maritime trade, including the transatlantic slave trade.
-
E.
Sokoto Basin
The Sokoto Basin is a large sedimentary basin in northwestern Nigeria known for its extensive Cretaceous–Tertiary rock formations and significant groundwater and mineral resources.
- 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_69d6aae5ac3c81908d2b0a3a665665b2 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8904b46288190890ecafd6ceb0c3d |
completed | April 10, 2026, 5:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ef8269c4f48190aaf238a64c5caf1d |
completed | April 27, 2026, 3:36 p.m. |
Created at: April 8, 2026, 9:38 p.m.