Triple
T16038580
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ngadda River |
E389030
|
entity |
| Predicate | mouth |
P407
|
FINISHED |
| Object | Lake Chad basin |
E50221
|
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: Lake Chad basin | Statement: [Ngadda River, mouth, Lake Chad basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Chad basin Context triple: [Ngadda River, mouth, Lake Chad basin]
-
A.
Lake Chad basin
chosen
The Lake Chad basin is a large, landlocked drainage region in north-central Africa encompassing parts of Chad, Nigeria, Niger, Cameroon, and surrounding countries, centered around Lake Chad and its river systems.
-
B.
Lake Chad
Lake Chad is a large, shallow, and historically significant freshwater lake in north-central Africa that has dramatically shrunk in size over recent decades due to climate change and human use.
-
C.
Inner Niger Delta
The Inner Niger Delta is a vast inland floodplain in Mali characterized by seasonal wetlands, rich biodiversity, and traditional fishing and farming communities.
-
D.
Campo de Níjar
Campo de Níjar is a semi-arid region in the province of Almería, southeastern Spain, known for its extensive greenhouse agriculture, stark desert landscapes, and traditional whitewashed villages.
-
E.
Eastern Niger Delta
The Eastern Niger Delta is a coastal region in southern Nigeria known for its complex network of creeks and mangrove swamps, rich oil and gas reserves, and diverse indigenous communities including the Kalabari people.
- 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_69d86dada3808190825d5f80d72fbe88 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1833eb90c8190b10dca3ce0793ddf |
completed | April 17, 2026, 12:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffdbd5acb48190a10e40074fffd425 |
completed | May 10, 2026, 1:13 a.m. |
Created at: April 10, 2026, 4:56 a.m.