Triple
T2403495
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Chad Basin |
E50221
|
entity |
| Predicate | borderRegionOf |
P10768
|
FINISHED |
| Object | Sahel |
E20427
|
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: Sahel | Statement: [Lake Chad Basin, borderRegionOf, Sahel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sahel Context triple: [Lake Chad Basin, borderRegionOf, Sahel]
-
A.
Sahel
chosen
The Sahel is a semi-arid transition zone in Africa between the Sahara Desert to the north and the more humid savannas to the south, spanning several countries from the Atlantic Ocean to the Red Sea.
-
B.
Central Sahara
The Central Sahara is a vast, arid desert region in north-central Africa characterized by extreme climatic conditions, sparse population, and a long history of trans-Saharan trade and nomadic cultures.
-
C.
Maghreb-Sahel interface
The Maghreb-Sahel interface is a transitional zone in North and West Africa where the cultures, economies, and ecologies of the North African Maghreb and the sub-Saharan Sahel intersect and blend.
-
D.
G5 Sahel
G5 Sahel is a regional cooperation framework of five West African countries focused on security, development, and counterterrorism in the Sahel region.
-
E.
Borkou-Ennedi-Tibesti
Borkou-Ennedi-Tibesti was a former administrative region in northern Chad, known for its vast Sahara desert landscapes, including the Ennedi Plateau and Tibesti Mountains, and its predominantly Toubou (Tebu) population.
- 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_69a88b0339a88190a1207333cd271cc9 |
completed | March 4, 2026, 7:41 p.m. |
| NER | Named-entity recognition | batch_69abc8f8aa2881909192920ee394f0b3 |
completed | March 7, 2026, 6:43 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aebf403f74819082dc50e31f29b171 |
completed | March 9, 2026, 12:38 p.m. |
Created at: March 4, 2026, 7:58 p.m.