Triple
T8298501
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chari River |
E194283
|
entity |
| Predicate | drainageBasin |
P1559
|
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: [Chari River, drainageBasin, Lake Chad basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Chad basin Context triple: [Chari River, drainageBasin, 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.
Bahr Aouk
Bahr Aouk is a river in Central Africa that forms part of the Chari River basin, draining regions of Chad and the Central African Republic.
-
E.
Ubari Lakes
Ubari Lakes are a group of picturesque desert lakes and oases set amid the sand dunes of the Sahara in southwestern Libya.
- 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_69ca82e50ebc81909aa7b260c76bd757 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb7dfa040c8190ab801b3910e39142 |
completed | March 31, 2026, 7:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cde772559c819080f411802bbcfef1 |
completed | April 2, 2026, 3:50 a.m. |
Created at: March 30, 2026, 5:53 p.m.