Triple
T12643848
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oguta Lake |
E301967
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Niger Delta 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 basin | Statement: [Oguta Lake, locatedOn, Niger Delta basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Niger Delta basin Context triple: [Oguta Lake, locatedOn, Niger Delta 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.
Benue River basin region
The Benue River basin region is a major river drainage area in central Nigeria that supports extensive agriculture, fisheries, and settlements along the Benue River and its tributaries.
-
C.
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.
-
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.
Western Niger Delta
The Western Niger Delta is a culturally diverse and oil-rich area of southern Nigeria encompassing coastal and riverine communities such as the Warri Kingdom.
- 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_69d7bdec9f9c8190b4bac675b7588211 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d9614bf2f881909976becdf747f4fb |
completed | April 10, 2026, 8:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6af45ea888190a4b2d0c1730a06ef |
completed | May 3, 2026, 2:13 a.m. |
Created at: April 9, 2026, 5:17 p.m.